Gretta G. Brown, OD
- Medicare patients, 2024
- 203
- Part D claims, 2024
- 556
- Industry payments
- $35
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 410 Theatre Dr, Johnstown, PA 15904
- Practice phone
- Call (814) 269-3660
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Associates in Family Eyecare, Ltd.
Johnstown, Pennsylvania
Find Gretta Brown's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gretta G. Brown is an optometrist in Johnstown, Pennsylvania
Gretta Brown practices at Associates in Family Eyecare, Ltd. in Johnstown, Pennsylvania.
Gretta Brown's NPI, 1700366325, was assigned on August 14, 2018. Gretta Brown graduated from Pennsylvania College of Optometry in 2018. Gretta Brown holds Pennsylvania license OEG003461.
- NPI
- 1700366325NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810240140
- NPI enumeration date
- August 14, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (814) 269-3660
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gretta G. Brown practices at Associates in Family Eyecare, Ltd. in Johnstown, Pennsylvania
Gretta Brown's primary practice is Associates in Family Eyecare, Ltd., at 410 Theatre Dr, Johnstown, PA 15904 in Cambria County. The practice phone is (814) 269-3660.
- Associates in Family Eyecare, Ltd.410 Theatre Dr, Johnstown, PA 15904 · Cambria CountyPhone(814) 269-3660
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gretta G. Brown is affiliated with 3 sites of care and 2 medical groups
Gretta Brown's primary practice is Associates in Family Eyecare, Ltd. in Johnstown, Pennsylvania. Dmand AI also links Gretta Brown to 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gretta G. Brown's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gretta Brown practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Associates in Family Eyecare, Ltd. | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gretta G. Brown is one of 1,750 optometrists in Pennsylvania
Optometrist is Gretta Brown's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gretta Brown is licensed in Pennsylvania.
Specialties and state licenses
- Optometrist, PennsylvaniaPrimary
Optometrists near Gretta Brown
Counts of optometrists 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
Gretta G. Brown treated 203 Medicare patients in 2024, average age 75
CMS counts 203 Medicare patients who saw Gretta Brown in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gretta Brown's median patient age at 73, with 65% women.
Gretta Brown's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gretta Brown's Medicare patients by sex, 2024
- Women12160%
- Men8240%
Chronic conditions among Gretta Brown's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes28%
- Ischemic heart disease28%
- Anxiety26%
- Chronic kidney disease19%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Gretta 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 73
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gretta G. Brown wrote 556 Medicare Part D claims in 2024
In 2024, Gretta Brown wrote 556 Medicare Part D claims for 188 patients. 51% of them were for generic drugs.
Gretta Brown's Part D claims by kind of drug, 2024
- Generic283 claims51%
- Brand-name273 claims49%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gretta G. Brown ranks in the 51st percentile for cataract surgery in Medicare
Gretta Brown accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 27 procedures of cataract surgery by Gretta Brown, more than 51% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Gretta Brown ranks in Medicare procedure volume
- Cataract surgery
- 51st percentile27 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Gretta G. Brown received $35 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gretta Brown from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $35.
Companies that paid Gretta 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
Gretta G. Brown graduated from Pennsylvania College of Optometry
Gretta Brown graduated from Pennsylvania College of Optometry in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gretta G. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Gretta G. 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 Gretta G. Brown's NPI number?
Gretta G. Brown's NPI number is 1700366325. It was assigned on August 14, 2018, and it is active in the NPI Registry.
What does Gretta G. Brown specialize in?
Gretta G. Brown is an optometrist in Johnstown, Pennsylvania. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gretta G. Brown practice?
Gretta Brown practices at 410 Theatre Dr, Johnstown, PA 15904. Gretta Brown's primary practice is Associates in Family Eyecare, Ltd. in Johnstown, Pennsylvania. Dmand AI also links Gretta Brown to 2 group practices and clinics and 2 medical groups.
What is Gretta G. Brown's office phone number?
The practice phone on file for Gretta Brown is (814) 269-3660.
What is Gretta G. Brown's medical license number?
Gretta Brown holds Pennsylvania license OEG003461.
Does Gretta G. Brown accept Medicare?
Yes. CMS lists Gretta Brown as accepting Medicare assignment.
How many Medicare patients does Gretta G. Brown see?
CMS counts 203 Medicare patients who saw Gretta Brown in 2024, with an average age of 75.
Where did Gretta G. Brown go to medical school?
Gretta Brown graduated from Pennsylvania College of Optometry in 2018.
Has Gretta G. Brown received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Gretta Brown from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Gretta G. Brown been practicing?
Gretta Brown graduated from medical school in 2018, 8 years ago.
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