Dr. Ding Ma, MD

NPI: 1699031005
Total Payments
$4,955
2024 Payments
$344.30
Companies
21
Transactions
212
Medicare Patients
869
Medicare Billing
$86,918

Payment Breakdown by Category

Food & Beverage$4,916 (99.2%)
Other$21.52 (0.4%)
Education$17.84 (0.4%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $4,916 210 99.2%
Entertainment $21.52 1 0.4%
Education $17.84 1 0.4%

Top Paying Companies

Company Total Records Latest Year
Bausch & Lomb, a division of Bausch Health US, LLC $665.61 28 $0 (2021)
Allergan, Inc. $590.21 28 $0 (2022)
SUN PHARMACEUTICAL INDUSTRIES INC. $529.38 23 $0 (2024)
Shire North American Group Inc $491.74 14 $0 (2019)
Kala Pharmaceuticals, Inc. $333.96 16 $0 (2022)
Novartis Pharmaceuticals Corporation $329.35 19 $0 (2023)
Alcon Vision LLC $329.12 11 $0 (2023)
ABBVIE INC. $311.86 21 $0 (2024)
Aerie Pharmaceuticals, Inc. $307.73 5 $0 (2021)
EYEVANCE PHARMACEUTICALS LLC $292.19 11 $0 (2022)

Payment History by Year

Year Amount Transactions Top Company
2024 $344.30 16 Tarsus Pharmaceuticals, Inc. ($103.79)
2023 $409.37 14 Alcon Vision LLC ($188.69)
2022 $678.86 39 ABBVIE INC. ($228.00)
2021 $762.51 40 Eyevance Pharmaceuticals LLC ($180.12)
2020 $662.62 36 Bausch & Lomb, a division of Bausch Health US, LLC ($174.87)
2019 $1,226 42 Bausch & Lomb, a division of Bausch Health US, LLC ($338.72)
2018 $755.25 18 Aerie Pharmaceuticals, Inc. ($264.05)
2017 $116.46 7 Shire North American Group Inc ($39.10)

All Payment Transactions

212 individual payment records from CMS Open Payments — Page 1 of 9

Date Company Product Nature Form Amount Type
12/20/2024 SUN PHARMACEUTICAL INDUSTRIES INC. Cequa (Drug) Food and Beverage In-kind items and services $22.56 General
Category: Ophthalmology
11/27/2024 Bausch & Lomb Americas Inc. XIIDRA (Drug) Food and Beverage In-kind items and services $18.34 General
Category: Ophthalmology
11/22/2024 Oyster Point Pharma, Inc. TYRVAYA (Drug), Ryzumvi Food and Beverage In-kind items and services $24.59 General
Category: Dry eyes
11/13/2024 Tarsus Pharmaceuticals, Inc. XDEMVY (Drug) Food and Beverage In-kind items and services $28.60 General
Category: DEMODEX BLEPHARITIS
09/25/2024 Bausch & Lomb Americas Inc. XIIDRA (Drug) Food and Beverage In-kind items and services $15.63 General
Category: Ophthalmology
09/12/2024 Tarsus Pharmaceuticals, Inc. XDEMVY (Drug) Food and Beverage In-kind items and services $17.72 General
Category: DEMODEX BLEPHARITIS
08/27/2024 Mallinckrodt Hospital Products Inc. ACTHAR (Biological) Food and Beverage In-kind items and services $32.42 General
Category: IMMUNOLOGY
08/06/2024 Tarsus Pharmaceuticals, Inc. XDEMVY (Drug) Food and Beverage In-kind items and services $20.30 General
Category: DEMODEX BLEPHARITIS
07/12/2024 Bausch & Lomb Americas Inc. MIEBO (Drug) Education In-kind items and services $17.84 General
Category: Ophthalmology
07/11/2024 ABBVIE INC. LUMIGAN (Drug) Food and Beverage In-kind items and services $14.99 General
Category: EYE CARE
06/26/2024 Tarsus Pharmaceuticals, Inc. XDEMVY (Drug) Food and Beverage In-kind items and services $37.17 General
Category: DEMODEX BLEPHARITIS
06/20/2024 ABBVIE INC. LUMIGAN (Drug) Food and Beverage In-kind items and services $19.36 General
Category: EYE CARE
06/05/2024 Bausch & Lomb Americas Inc. MIEBO (Drug), XIIDRA Food and Beverage In-kind items and services $19.37 General
Category: Ophthalmology
05/20/2024 SUN PHARMACEUTICAL INDUSTRIES INC. Cequa (Drug), Cequa Food and Beverage In-kind items and services $22.18 General
Category: Ophthalmology
03/04/2024 ABBVIE INC. LUMIGAN (Drug) Food and Beverage In-kind items and services $18.31 General
Category: EYE CARE
01/17/2024 Bausch & Lomb Americas Inc. XIIDRA (Drug), MIEBO Food and Beverage In-kind items and services $14.92 General
Category: Ophthalmology
12/18/2023 Bausch & Lomb Americas Inc. XIIDRA (Drug) Food and Beverage In-kind items and services $21.50 General
Category: Ophthalmology
12/11/2023 Bausch & Lomb Americas Inc. MIEBO (Drug), XIIDRA Food and Beverage In-kind items and services $13.85 General
Category: Ophthalmology
11/09/2023 Alcon Vision LLC Simbrinza (Drug), Rocklatan, Rhopressa Food and Beverage In-kind items and services $124.96 General
Category: Ophthalmology
11/06/2023 Alcon Vision LLC Rocklatan (Drug) Food and Beverage In-kind items and services $21.31 General
Category: Ophthalmology
09/22/2023 Novartis Pharmaceuticals Corporation XIIDRA (Drug) Food and Beverage In-kind items and services $18.46 General
Category: Ophthalmology
08/16/2023 Novartis Pharmaceuticals Corporation XIIDRA (Drug) Food and Beverage In-kind items and services $15.81 General
Category: Ophthalmology
08/01/2023 Bausch & Lomb Americas Inc. VYZULTA (Drug) Food and Beverage In-kind items and services $23.46 General
Category: Ophthalmology
07/11/2023 Alcon Vision LLC Rocklatan (Drug) Food and Beverage In-kind items and services $22.50 General
Category: Ophthalmology
06/12/2023 Johnson & Johnson Surgical Vision, Inc. Tecnis Simplicity (Device) Food and Beverage In-kind items and services $47.98 General
Category: Optics

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 13 869 1,020 $121,484 $86,918
Total Patients
869
Total Services
1,020
Medicare Billing
$86,918
Procedure Codes
13

All Medicare Procedures & Services

13 procedure records from CMS Medicare Utilization

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
92012 Established patient problem focused exam of visual system Office 2023 262 376 $37,102 $26,549 71.6%
92014 Established patient complete exam of visual system Office 2023 195 201 $28,113 $20,134 71.6%
92004 New patient complete exam of visual system Office 2023 152 152 $24,842 $16,757 67.5%
66984 Removal of cataract with insertion of prosthetic lens Facility 2023 15 25 $14,704 $11,528 78.4%
66821 Removal of recurring cataract in lens capsule using a laser Office 2023 11 12 $4,393 $3,387 77.1%
92134 Imaging of retina Office 2023 85 89 $4,003 $2,917 72.9%
92002 New patient problem focused exam of visual system Office 2023 25 25 $2,433 $1,512 62.2%
92136 Measurement of corneal curvature and depth of eye Office 2023 24 33 $1,696 $1,194 70.4%
92083 Exam of visual field with extended testing Office 2023 19 21 $1,499 $1,036 69.1%
92133 Imaging of optic nerve Office 2023 27 30 $1,204 $833.62 69.3%
92201 Extended exam of the back part of the eye with retinal drawing Office 2023 29 29 $805.92 $542.88 67.4%
92020 Exam of the internal drainage system of eye Office 2023 14 14 $419.44 $328.86 78.4%
67820 Removal of eyelashes using forceps Office 2023 11 13 $270.79 $198.23 73.2%

About Dr. Ding Ma, MD

Dr. Ding Ma, MD is a Ophthalmology healthcare provider based in Norwalk, Connecticut. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/10/2012. The National Provider Identifier (NPI) number assigned to this provider is 1699031005.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Ding Ma, MD has received a total of $4,955 in payments from pharmaceutical and medical device companies, with $344.30 received in 2024. These payments were reported across 212 transactions from 21 companies. The most common payment nature is "Food and Beverage" ($4,916).

As a Medicare-enrolled provider, Ma has provided services to 869 Medicare beneficiaries, totaling 1,020 services with total Medicare billing of $86,918. Data is available for 1 year (2023–2023), covering 13 distinct procedure/service records.

Practice Information

  • Specialty Ophthalmology
  • Location Norwalk, CT
  • Active Since 04/10/2012
  • Last Updated 11/26/2018
  • Taxonomy Code 207W00000X
  • Entity Type Individual
  • Practice Solo Practitioner
  • NPI Number 1699031005

Products in Payments

  • XIIDRA (Drug) $805.32
  • LUMIGAN (Drug) $340.98
  • INVELTYS (Drug) $333.96
  • LOTEMAX SM (Drug) $270.47
  • Rhopressa (Drug) $264.05
  • CEQUA (Drug) $233.44
  • Simbrinza (Drug) $212.89
  • RESTASIS (Drug) $211.37
  • Cequa (Drug) $209.96
  • DURYSTA (Drug) $190.58
  • Tobradex ST (Drug) $158.39
  • VYZULTA (Drug) $156.51
  • EYLEA (Biological) $127.84
  • ENVISTA TORIC (Device) $123.65
  • XDEMVY (Drug) $103.79
  • Flarex (Drug) $91.08
  • TYRVAYA (Drug) $82.57
  • RESTASIS MULTIDOSE (Drug) $77.73
  • BROMSITE (Drug) $70.28
  • Rocklatan (Drug) $63.73

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.

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