Dr. John Gambrill Jr., MD
- Medicare services, 2024
- 23
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 398
- MIPS score, 2024
- 82
- Industry payments
- $3,329
- Practice address
- 515 Fairmount Avenue Suite 100, Towson, MD 21286
- Practice phone
- Call (410) 494-1315
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clinical Associates ASC (Fairmount Ave)
Surgery Center - Not Medicare-Certified · Towson, Maryland
Find Dr. Gambrill'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.
Dr. John Gambrill Jr. is an ophthalmologist in Towson, Maryland
Dr. Gambrill practices at Clinical Associates ASC (Fairmount Ave) in Towson, Maryland.
Dr. Gambrill's NPI, 1710033022, was assigned on January 27, 2007. Dr. Gambrill holds Maryland license D15995.
- NPI
- 1710033022NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315090412
- NPI enumeration date
- January 27, 2007
- NPI status
- Active
- Practice phone
- (410) 494-1315
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Gambrill Jr. practices at Clinical Associates ASC (Fairmount Ave) in Towson, Maryland
Dr. Gambrill's primary practice is Clinical Associates ASC (Fairmount Ave), at 515 Fairmount Avenue Suite 100, Towson, MD 21286. The practice phone is (410) 494-1315.
- Clinical Associates ASC (Fairmount Ave)515 Fairmount Avenue Suite 100, Towson, MD 21286Phone(410) 494-1315
Source: Dmand AI Affiliation Data
Dr. John Gambrill Jr. is affiliated with 1 site of care
Dr. Gambrill's primary practice is Clinical Associates ASC (Fairmount Ave) in Towson, Maryland.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Gambrill Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gambrill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clinical Associates ASC (Fairmount Ave) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Gambrill Jr. is one of 471 ophthalmologists in Maryland
Ophthalmology is Dr. Gambrill's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Gambrill is licensed in Maryland.
Specialties and state licenses
- Ophthalmology, MarylandPrimary
Ophthalmologists near Dr. Gambrill
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. John Gambrill Jr. billed Medicare for 23 services in 2024
CMS data shows 23 Medicare services from Dr. Gambrill across 1 procedure code in 2024, for 33 Medicare patients. Medicare paid $2,710 for them. Every service was in an office.
Dr. Gambrill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 8142024: 2397%
- Office and hospital visits
- 2023: 4472024: 0100%
Dr. Gambrill compared with the Maryland median for ophthalmologists, 2024
- Dr. Gambrill
- Maryland median
- Medicare services
- 23vs 1,38898% below
- Medicare patients
- 33vs 62395% below
- Part D claims
- 345vs 3809% below
Medians across 487 ophthalmologists in Maryland with Dmand AI profiles that report each measure.
Dr. Gambrill's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gambrill and other ophthalmologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Gambrill Jr. treated 33 Medicare patients in 2024, average age 83
CMS counts 33 Medicare patients who saw Dr. Gambrill in 2024. The largest group is 85 and over, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gambrill's median patient age at 85, with 68% women.
Dr. Gambrill's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Gambrill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease67%
- Arthritis48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gambrill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 85
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Gambrill Jr. wrote 398 Medicare Part D claims in 2024
In 2024, Dr. Gambrill wrote 398 Medicare Part D claims for 142 patients. 76% of them were for generic drugs. CMS names the drug for 345 of them, across 7 drugs with 11 or more claims each, at $32,154 in total drug cost. In 2023, CMS named 767 claims across 10 drugs.
Dr. Gambrill's Part D claims by kind of drug, 2024
- Generic301 claims76%
- Brand-name97 claims24%
Dr. Gambrill'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7672024: 34555%
Drugs named by CMS: 7 in 2024, 10 in 2023.
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
Dr. John Gambrill Jr. scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Gambrill for performance year 2024, reported as part of a group.
Dr. Gambrill's MIPS scores, performance year 2024
- 82of 100Final score
- 80.7of 100Quality
- 79of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Gambrill Jr. received $3,329 in industry payments from 2016 to 2023
CMS Open Payments shows 135 general payments to Dr. Gambrill from 24 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 97% of the total. Merck Sharp & Dohme Corporation paid the most, $400.
General payments to Dr. Gambrill by program year, 2016 to 2023
General payments to Dr. Gambrill by kind, 2016 to 2023
- Food and beverage$3,22997%
- Gifts$1003%
Companies that paid Dr. Gambrill the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Gambrill Jr.'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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 | Clinician Public Reporting: Overall MIPS Performance (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. John Gambrill Jr.
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. John Gambrill Jr.'s NPI number?
Dr. John Gambrill Jr.'s NPI number is 1710033022. It was assigned on January 27, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Gambrill Jr.?
Dr. John Gambrill Jr. is an ophthalmologist in Towson, Maryland. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. John Gambrill Jr. practice?
Dr. Gambrill practices at 515 Fairmount Avenue Suite 100, Towson, MD 21286. Dr. Gambrill's primary practice is Clinical Associates ASC (Fairmount Ave) in Towson, Maryland.
What is Dr. John Gambrill Jr.'s office phone number?
The practice phone on file for Dr. Gambrill is (410) 494-1315.
What is Dr. John Gambrill Jr.'s medical license number?
Dr. Gambrill holds Maryland license D15995.
Does Dr. John Gambrill Jr. accept Medicare?
Yes. CMS data shows Dr. Gambrill billed Medicare for 23 services in 2024.
What is Dr. John Gambrill Jr.'s MIPS score?
Dr. Gambrill's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. John Gambrill Jr. see?
CMS counts 33 Medicare patients who saw Dr. Gambrill in 2024, with an average age of 83.
What services does Dr. John Gambrill Jr. bill to Medicare?
In 2024, Dr. Gambrill's most billed Medicare services were eye exam or test (92004).
What drugs does Dr. John Gambrill Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Gambrill's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.
Has Dr. John Gambrill Jr. received payments from drug or device companies?
CMS Open Payments shows $3,329 in general payments to Dr. Gambrill from 24 companies from 2016 to 2023. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. John Gambrill Jr. been practicing?
Dr. Gambrill graduated from medical school in 1972, 54 years ago.
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