Dr. Douglas A. Brown, MD
- Part D claims, 2024
- 176
- Hospital affiliations
- 2
- Industry payments
- $338
- Medical group
- 1
- State license
- 1
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Brown's professional email, personal email and mobile number
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Dr. Douglas A. Brown is an ophthalmologist in Baltimore, Maryland
Dr. Brown practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Brown's NPI, 1598339202, was assigned on May 17, 2021. Dr. Brown holds Maryland license D0103080.
- NPI
- 1598339202NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426432626
- NPI enumeration date
- May 17, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Douglas A. Brown practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Brown's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Source: Dmand AI Affiliation Data
Dr. Douglas A. Brown is affiliated with 3 sites of care and 1 medical group
Dr. Brown's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dr. Brown is also affiliated with University of Maryland Medical Center Midtown Campus. Dmand AI also links Dr. Brown to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Douglas A. Brown's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brown practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas A. Brown is one of 471 ophthalmologists in Maryland
Ophthalmology is Dr. Brown's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Brown is licensed in Maryland.
Specialties and state licenses
- Ophthalmology, MarylandPrimary
Ophthalmologists near Dr. Brown
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Douglas A. Brown's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Dr. Brown's median patient age at 57, with 52% women.
Dr. Brown's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Douglas A. Brown wrote 176 Medicare Part D claims in 2024
In 2024, Dr. Brown wrote 176 Medicare Part D claims for 56 patients. 65% of them were for generic drugs. CMS names the drug for 103 of them, across 4 drugs with 11 or more claims each, at $7,234 in total drug cost.
Dr. Brown's Part D claims by kind of drug, 2024
- Generic115 claims65%
- Brand-name61 claims35%
Dr. Brown's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Douglas A. Brown takes part in Medicare
Dr. Brown accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Douglas A. Brown received $338 in industry payments in 2025
CMS Open Payments shows 4 general payments to Dr. Brown from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $294.
Companies that paid Dr. Brown the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Douglas A. Brown's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Douglas A. Brown
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Douglas A. Brown's NPI number?
Dr. Douglas A. Brown's NPI number is 1598339202. It was assigned on May 17, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas A. Brown?
Dr. Douglas A. Brown is an ophthalmologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Douglas A. Brown practice?
Dr. Brown practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Brown's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dmand AI also links Dr. Brown to 1 group practice or clinic and 1 medical group.
What is Dr. Douglas A. Brown's office phone number?
The practice phone on file for Dr. Brown is (410) 328-8667.
What is Dr. Douglas A. Brown's medical license number?
Dr. Brown holds Maryland license D0103080.
Which hospitals is Dr. Douglas A. Brown affiliated with?
Dr. Brown practices at University of Maryland Medical Center in Baltimore, Maryland. Dr. Brown is also affiliated with University of Maryland Medical Center Midtown Campus.
Does Dr. Douglas A. Brown accept Medicare?
Yes. CMS lists Dr. Brown as accepting Medicare assignment.
What drugs does Dr. Douglas A. Brown prescribe most?
In 2024 Medicare Part D data, Dr. Brown's most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Dorzolamide-Timolol.
Has Dr. Douglas A. Brown received payments from drug or device companies?
CMS Open Payments shows $338 in general payments to Dr. Brown from 3 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Douglas A. Brown been practicing?
Dr. Brown graduated from medical school in 2021, 5 years ago.
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