Total Payments
$4,226
2024 Payments
$3,453
Companies
11
Transactions
30
Medicare Patients
287
Medicare Billing
$29,144
Payment Breakdown by Category
Consulting$2,547 (60.3%)
Food & Beverage$1,679 (39.7%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $2,547 | 2 | 60.3% |
| Food and Beverage | $1,679 | 28 | 39.7% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Pharming Healthcare, Inc. | $2,825 | 4 | $0 (2024) |
| GENZYME CORPORATION | $373.26 | 4 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $326.62 | 6 | $0 (2024) |
| BioCryst US Sales Co., LLC | $314.12 | 8 | $0 (2024) |
| Blueprint Medicines Corporation | $112.19 | 1 | $0 (2024) |
| CSL Behring | $107.83 | 2 | $0 (2024) |
| Amgen Inc. | $54.87 | 1 | $0 (2024) |
| ADMA BioManufacturing LLC | $46.89 | 1 | $0 (2024) |
| Genentech, Inc. | $25.72 | 1 | $0 (2023) |
| ALK-Abello, Inc | $24.21 | 1 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $3,453 | 18 | Pharming Healthcare, Inc. ($2,702) |
| 2023 | $613.13 | 9 | BioCryst US Sales Co., LLC ($180.97) |
| 2022 | $23.22 | 1 | BioCryst US Sales Co., LLC ($23.22) |
| 2021 | $121.85 | 1 | AstraZeneca Pharmaceuticals LP ($121.85) |
| 2020 | $14.65 | 1 | Takeda Pharmaceuticals U.S.A., Inc. ($14.65) |
All Payment Transactions
30 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 10/30/2024 | CSL Behring | Hizentra (Biological) | Food and Beverage | In-kind items and services | $22.18 | General |
| Category: Immunology | ||||||
| 10/22/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $19.62 | General |
| Category: Immunology | ||||||
| 10/15/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $14.44 | General |
| Category: Respiratory | ||||||
| 10/08/2024 | BioCryst US Sales Co., LLC | ORLADEYO (Drug) | Food and Beverage | In-kind items and services | $32.83 | General |
| Category: Immunology | ||||||
| 09/25/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $22.89 | General |
| Category: Respiratory | ||||||
| 09/17/2024 | Pharming Healthcare, Inc. | JOENJA (Drug) | Consulting Fee | Cash or cash equivalent | $2,500.00 | General |
| Category: APDS | ||||||
| 09/17/2024 | Pharming Healthcare, Inc. | JOENJA (Drug) | Food and Beverage | In-kind items and services | $87.31 | General |
| Category: APDS | ||||||
| 05/17/2024 | BioCryst US Sales Co., LLC | ORLADEYO (Drug) | Food and Beverage | In-kind items and services | $15.72 | General |
| Category: Immunology | ||||||
| 05/03/2024 | Amgen Inc. | ACTIMMUNE (Biological) | Food and Beverage | In-kind items and services | $54.87 | General |
| Category: Bone/Inflammation/Rare Disease | ||||||
| 04/29/2024 | Blueprint Medicines Corporation | AYVAKIT (Drug) | Food and Beverage | In-kind items and services | $112.19 | General |
| Category: Oncology / Rare Diseases | ||||||
| 04/16/2024 | AstraZeneca Pharmaceuticals LP | AIRSUPRA (Drug) | Food and Beverage | In-kind items and services | $22.87 | General |
| Category: Respiratory | ||||||
| 04/09/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $155.04 | General |
| Category: Immunology | ||||||
| 04/09/2024 | GENZYME CORPORATION | DUPIXENT (Biological), DUPIXENT | Food and Beverage | In-kind items and services | $25.75 | General |
| Category: Immunology | ||||||
| 03/26/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $123.99 | General |
| Category: Respiratory | ||||||
| 03/05/2024 | ADMA BioManufacturing LLC | — | Consulting Fee | Cash or cash equivalent | $46.89 | General |
| 02/25/2024 | Pharming Healthcare, Inc. | JOENJA (Drug) | Food and Beverage | In-kind items and services | $114.33 | General |
| Category: APDS | ||||||
| 02/25/2024 | BioCryst US Sales Co., LLC | ORLADEYO (Drug) | Food and Beverage | In-kind items and services | $61.38 | General |
| Category: Immunology | ||||||
| 02/20/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $20.58 | General |
| Category: Respiratory | ||||||
| 12/12/2023 | Genentech, Inc. | Xolair (Biological) | Food and Beverage | In-kind items and services | $25.72 | General |
| Category: Immunology | ||||||
| 11/07/2023 | ALK-Abello, Inc | Grastek (Drug), Odactra, Ragwitek | Food and Beverage | In-kind items and services | $24.21 | General |
| Category: Allergy and Immunology | ||||||
| 10/09/2023 | Pharming Healthcare, Inc. | JOENJA (Drug) | Food and Beverage | In-kind items and services | $123.73 | General |
| Category: APDS | ||||||
| 04/17/2023 | GENZYME CORPORATION | — | Food and Beverage | In-kind items and services | $172.85 | General |
| 03/28/2023 | BioCryst US Sales Co., LLC | ORLADEYO (Drug) | Food and Beverage | In-kind items and services | $18.99 | General |
| Category: Immunology | ||||||
| 03/14/2023 | BioCryst US Sales Co., LLC | ORLADEYO (Drug) | Food and Beverage | In-kind items and services | $18.83 | General |
| Category: Immunology | ||||||
| 03/07/2023 | CSL Behring | Hizentra (Biological) | Food and Beverage | In-kind items and services | $85.65 | General |
| Category: Immunology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 2 | 51 | 63 | $20,385 | $5,681 |
| 2022 | 1 | 31 | 45 | $11,166 | $3,885 |
| 2021 | 4 | 90 | 424 | $28,400 | $9,589 |
| 2020 | 6 | 115 | 748 | $33,472 | $9,989 |
Total Patients
287
Total Services
1,280
Medicare Billing
$29,144
Procedure Codes
16
All Medicare Procedures & Services
16 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2023 | 27 | 36 | $9,232 | $2,705 | 29.3% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 13 | 13 | $6,305 | $1,757 | 27.9% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 11 | 14 | $4,848 | $1,218 | 25.1% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2022 | 19 | 28 | $6,111 | $2,030 | 33.2% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 12 | 17 | $5,056 | $1,855 | 36.7% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Facility | 2021 | 27 | 31 | $6,637 | $2,527 | 38.1% |
| 99204 | New patient outpatient visit, total time 45-59 minutes | Facility | 2021 | 22 | 22 | $7,731 | $2,473 | 32.0% |
| 99204 | New patient outpatient visit, total time 45-59 minutes | Office | 2021 | 16 | 16 | $7,112 | $2,352 | 33.1% |
| 95004 | Injection of allergenic extracts into skin, accessed through the skin | Office | 2021 | 11 | 337 | $4,415 | $1,302 | 29.5% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Facility | 2021 | 14 | 18 | $2,506 | $935.20 | 37.3% |
| 99204 | New patient office or other outpatient visit, typically 45 minutes | Facility | 2020 | 39 | 39 | $12,496 | $4,221 | 33.8% |
| 95004 | Injection of allergenic extracts into skin, accessed through the skin | Facility | 2020 | 21 | 559 | $7,323 | $1,761 | 24.1% |
| 99205 | New patient office or other outpatient visit, typically 60 minutes | Facility | 2020 | 12 | 12 | $4,762 | $1,401 | 29.4% |
| 95076 | Ingestion of test items for allergies, 120 minutes | Facility | 2020 | 12 | 16 | $3,733 | $1,026 | 27.5% |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | Facility | 2020 | 19 | 22 | $2,893 | $973.25 | 33.6% |
| 95018 | Allergy testing with drugs or biologicals into or within the skin, immediate type reaction, including test interpretation and report | Facility | 2020 | 12 | 100 | $2,266 | $605.99 | 26.7% |
About Anna Lang
Anna Lang is a Allergy & Immunology healthcare provider based in San Francisco, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 03/25/2014. The National Provider Identifier (NPI) number assigned to this provider is 1235556432.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Anna Lang has received a total of $4,226 in payments from pharmaceutical and medical device companies, with $3,453 received in 2024. These payments were reported across 30 transactions from 11 companies. The most common payment nature is "Consulting Fee" ($2,547).
As a Medicare-enrolled provider, Lang has provided services to 287 Medicare beneficiaries, totaling 1,280 services with total Medicare billing of $29,144. Data is available for 4 years (2020–2023), covering 16 distinct procedure/service records.
Ad
Practice Information
- Specialty Allergy & Immunology
- Other Specialties Allergy & Immunology
- Location San Francisco, CA
- Active Since 03/25/2014
- Last Updated 10/19/2025
- Taxonomy Code 207RA0201X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1235556432
Products in Payments
- JOENJA (Drug) $2,825
- ORLADEYO (Drug) $314.12
- FASENRA (Biological) $303.75
- DUPIXENT (Biological) $200.41
- AYVAKIT (Drug) $112.19
- Hizentra (Biological) $107.83
- ACTIMMUNE (Biological) $54.87
- Xolair (Biological) $25.72
- Grastek (Drug) $24.21
- AIRSUPRA (Drug) $22.87
- CUVITRU (Biological) $14.65
Explore
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.
Allergy & Immunology Doctors in San Francisco
Dr. Daniel Adelman, M.d, M.D
Allergy & Immunology — Payments: $93,363
Allergy & Immunology $93,363
Lulu Tsao
Allergy & Immunology — Payments: $10,381
Allergy & Immunology $10,381
Dr. Jeffrey Davidson, M.d, M.D
Allergy & Immunology — Payments: $9,015
Allergy & Immunology $9,015
Dr. Jonathan Witonsky, M.d, M.D
Allergy & Immunology — Payments: $7,779
Allergy & Immunology $7,779
Michele Pham, M.d, M.D
Allergy & Immunology — Payments: $7,767
Allergy & Immunology $7,767
Monica Tang
Allergy & Immunology — Payments: $7,663
Allergy & Immunology $7,663