Total Payments
$4,208
2024 Payments
$194.09
Companies
42
Transactions
203
Medicare Patients
14,526
Medicare Billing
$1.9M
Payment Breakdown by Category
Food & Beverage$4,118 (97.9%)
Education$89.99 (2.1%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $4,118 | 201 | 97.9% |
| Education | $89.99 | 2 | 2.1% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| AbbVie Inc. | $600.90 | 29 | $0 (2023) |
| Novartis Pharmaceuticals Corporation | $365.25 | 13 | $0 (2024) |
| Amgen Inc. | $327.67 | 17 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $296.66 | 7 | $0 (2024) |
| Janssen Biotech, Inc. | $291.62 | 17 | $0 (2023) |
| Merck Sharp & Dohme Corporation | $258.47 | 16 | $0 (2020) |
| Actelion Pharmaceuticals US, Inc. | $241.07 | 7 | $0 (2019) |
| PFIZER INC. | $196.67 | 12 | $0 (2021) |
| Genentech USA, Inc. | $153.98 | 8 | $0 (2019) |
| Lilly USA, LLC | $132.72 | 8 | $0 (2019) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $194.09 | 5 | Novartis Pharmaceuticals Corporation ($143.98) |
| 2023 | $394.26 | 7 | Aurinia Pharma U.S., Inc. ($113.40) |
| 2022 | $265.32 | 8 | AstraZeneca Pharmaceuticals LP ($128.97) |
| 2021 | $92.24 | 5 | AbbVie Inc. ($51.70) |
| 2020 | $143.75 | 8 | AbbVie Inc. ($51.16) |
| 2019 | $1,474 | 77 | AbbVie, Inc. ($309.80) |
| 2018 | $766.71 | 41 | Genentech USA, Inc. ($140.08) |
| 2017 | $877.55 | 52 | Merck Sharp & Dohme Corporation ($121.72) |
All Payment Transactions
203 individual payment records from CMS Open Payments — Page 1 of 9
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/17/2024 | Novartis Pharmaceuticals Corporation | COSENTYX (Drug) | Food and Beverage | In-kind items and services | $6.58 | General |
| Category: Dermatology | ||||||
| 11/16/2024 | Novartis Pharmaceuticals Corporation | COSENTYX (Drug) | Food and Beverage | In-kind items and services | $137.40 | General |
| Category: Dermatology | ||||||
| 04/24/2024 | AstraZeneca Pharmaceuticals LP | SAPHNELO (Biological) | Food and Beverage | In-kind items and services | $21.49 | General |
| Category: Inflammation and Autoimmunity | ||||||
| 03/13/2024 | AstraZeneca Pharmaceuticals LP | SAPHNELO (Biological) | Food and Beverage | In-kind items and services | $13.93 | General |
| Category: Inflammation and Autoimmunity | ||||||
| 03/12/2024 | Amgen Inc. | Enbrel (Biological), Otezla | Food and Beverage | In-kind items and services | $14.69 | General |
| Category: Inflammation | ||||||
| 11/16/2023 | AstraZeneca Pharmaceuticals LP | SAPHNELO (Biological) | Food and Beverage | In-kind items and services | $94.17 | General |
| Category: Inflammation and Autoimmunity | ||||||
| 05/05/2023 | Pacira Pharmaceuticals Incorporated | Iovera (Device) | Food and Beverage | In-kind items and services | $17.53 | General |
| Category: Pain Management | ||||||
| 04/20/2023 | Aurinia Pharma U.S., Inc. | — | Food and Beverage | In-kind items and services | $113.40 | General |
| 04/03/2023 | Janssen Biotech, Inc. | TREMFYA (Drug) | Education | In-kind items and services | $84.99 | General |
| Category: Immunology | ||||||
| 03/31/2023 | UCB, Inc. | Cimzia (Drug) | Food and Beverage | In-kind items and services | $27.53 | General |
| Category: Immunology | ||||||
| 02/23/2023 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $23.67 | General |
| Category: Immunology | ||||||
| 01/20/2023 | AbbVie Inc. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $32.97 | General |
| Category: IMMUNOLOGY | ||||||
| 12/01/2022 | AstraZeneca Pharmaceuticals LP | SAPHNELO (Biological) | Food and Beverage | In-kind items and services | $123.97 | General |
| Category: Inflammation and Autoimmunity | ||||||
| 10/18/2022 | ABBVIE INC. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $33.80 | General |
| Category: IMMUNOLOGY | ||||||
| 10/06/2022 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $17.94 | General |
| Category: Immunology | ||||||
| 09/29/2022 | Radius Health, Inc. | Tymlos (Biological) | Food and Beverage | In-kind items and services | $25.79 | General |
| Category: Endocrinology | ||||||
| 07/21/2022 | Radius Health, Inc. | Tymlos (Biological) | Food and Beverage | In-kind items and services | $26.63 | General |
| Category: Endocrinology | ||||||
| 07/14/2022 | AstraZeneca Pharmaceuticals LP | SAPHNELO (Biological) | Education | In-kind items and services | $5.00 | General |
| Category: Inflammation and Autoimmunity | ||||||
| 05/03/2022 | ABBVIE INC. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $12.62 | General |
| Category: IMMUNOLOGY | ||||||
| 02/14/2022 | Amgen Inc. | EVENITY (Biological), Prolia | Food and Beverage | In-kind items and services | $19.57 | General |
| Category: Bone Health | ||||||
| 10/12/2021 | PFIZER INC. | OCTAGAM IMMUNE GLOBULIN (HUMAN) (Drug) | Food and Beverage | In-kind items and services | $21.99 | General |
| Category: IMMUNOLOGY | ||||||
| 10/05/2021 | AbbVie Inc. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $26.26 | General |
| Category: IMMUNOLOGY | ||||||
| 09/02/2021 | AstraZeneca Pharmaceuticals LP | SAPHNELO (Biological) | Food and Beverage | In-kind items and services | $18.55 | General |
| Category: Inflammation and Autoimmunity | ||||||
| 05/21/2021 | AbbVie Inc. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $14.12 | General |
| Category: IMMUNOLOGY | ||||||
| 01/05/2021 | AbbVie Inc. | HUMIRA (Biological) | Food and Beverage | In-kind items and services | $11.32 | General |
| Category: IMMUNOLOGY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 51 | 4,052 | 21,807 | $1.6M | $421,545 |
| 2022 | 48 | 3,463 | 20,246 | $1.4M | $372,110 |
| 2021 | 57 | 3,711 | 33,130 | $3.2M | $531,649 |
| 2020 | 52 | 3,300 | 43,644 | $3.2M | $592,547 |
Total Patients
14,526
Total Services
118,827
Medicare Billing
$1.9M
Procedure Codes
208
All Medicare Procedures & Services
208 procedure records from CMS Medicare Utilization — Page 1 of 9
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 472 | 1,078 | $326,634 | $106,282 | 32.5% |
| J0897 | Injection, denosumab, 1 mg | Office | 2023 | 82 | 5,400 | $329,400 | $97,707 | 29.7% |
| J3111 | Injection, romosozumab-aqqg, 1 mg | Office | 2023 | 20 | 8,400 | $260,400 | $66,730 | 25.6% |
| Q5104 | Injection, infliximab-abda, biosimilar, (renflexis), 10 mg | Office | 2023 | 12 | 858 | $130,416 | $23,804 | 18.3% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 96 | 96 | $56,736 | $12,469 | 22.0% |
| 96413 | Administration of chemotherapy into vein, 1 hour or less | Office | 2023 | 51 | 93 | $79,887 | $10,536 | 13.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 113 | 142 | $29,536 | $10,012 | 33.9% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 58 | 63 | $23,247 | $8,073 | 34.7% |
| 80053 | Blood test, comprehensive group of blood chemicals | Office | 2023 | 412 | 774 | $31,734 | $7,911 | 24.9% |
| 96401 | Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Office | 2023 | 86 | 108 | $40,932 | $7,095 | 17.3% |
| 82306 | Vitamin d-3 level | Office | 2023 | 206 | 242 | $23,232 | $6,998 | 30.1% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2023 | 429 | 810 | $8,910 | $6,713 | 75.3% |
| 20611 | Aspiration and/or injection of fluid large joint using ultrasound guidance | Office | 2023 | 33 | 63 | $27,054 | $6,352 | 23.5% |
| 77080 | Dxa bone density measurement of hip, pelvis, spine | Office | 2023 | 146 | 146 | $44,238 | $6,121 | 13.8% |
| 73130 | X-ray of hand, minimum of 3 views | Office | 2023 | 77 | 150 | $16,500 | $4,610 | 27.9% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 24 | 24 | $17,232 | $4,369 | 25.4% |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Office | 2023 | 271 | 494 | $15,314 | $3,669 | 24.0% |
| 86160 | Measurement of complement (immune system proteins), antigen, | Office | 2023 | 73 | 262 | $10,742 | $2,979 | 27.7% |
| 73562 | X-ray of knee, 3 views | Office | 2023 | 45 | 88 | $10,858 | $2,834 | 26.1% |
| 86140 | Measurement c-reactive protein for detection of infection or inflammation | Office | 2023 | 275 | 552 | $11,592 | $2,766 | 23.9% |
| 73630 | X-ray of foot, minimum of 3 views | Office | 2023 | 36 | 72 | $6,551 | $2,063 | 31.5% |
| 86235 | Measurement of antibody for assessment of autoimmune disorder, any method | Office | 2023 | 18 | 116 | $6,844 | $2,038 | 29.8% |
| 96365 | Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Office | 2023 | 32 | 33 | $14,685 | $1,830 | 12.5% |
| 90694 | Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | Office | 2023 | 19 | 19 | $2,413 | $1,440 | 59.7% |
| 72100 | X-ray of lower and sacral spine, 2-3 views | Office | 2023 | 40 | 40 | $4,680 | $1,402 | 30.0% |
About Dr. Louisa Ziglar, MD
Dr. Louisa Ziglar, MD is a Rheumatology healthcare provider based in Frederick, Maryland. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/13/2008. The National Provider Identifier (NPI) number assigned to this provider is 1538336151.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Louisa Ziglar, MD has received a total of $4,208 in payments from pharmaceutical and medical device companies, with $194.09 received in 2024. These payments were reported across 203 transactions from 42 companies. The most common payment nature is "Food and Beverage" ($4,118).
As a Medicare-enrolled provider, Ziglar has provided services to 14,526 Medicare beneficiaries, totaling 118,827 services with total Medicare billing of $1.9M. Data is available for 4 years (2020–2023), covering 208 distinct procedure/service records.
Ad
Practice Information
- Specialty Rheumatology
- Location Frederick, MD
- Active Since 05/13/2008
- Last Updated 02/05/2026
- Taxonomy Code 207RR0500X
- Entity Type Individual
- NPI Number 1538336151
Products in Payments
- SAPHNELO (Biological) $277.11
- Humira (Biological) $264.45
- COSENTYX (Biological) $193.09
- Enbrel (Biological) $166.34
- COSENTYX (Drug) $143.98
- Rituxan (Biological) $131.49
- SIMPONI ARIA (Biological) $131.17
- TREMFYA (Drug) $126.60
- Cimzia (Drug) $122.27
- ACTHAR (Biological) $121.21
- RINVOQ (Biological) $119.77
- JANUVIA (Drug) $116.22
- ORENCIA (Biological) $98.59
- EVENITY (Biological) $83.59
- Tymlos (Biological) $80.35
- XELJANZ (Drug) $78.09
- XIFAXAN (Drug) $75.71
- BENLYSTA (Biological) $68.51
- FORTEO (Drug) $68.18
- OPSUMIT MACITENTAN (Drug) $67.62
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Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.