Dr. John C. Maher, MD
- Medicare services, 2016
- 1,186
- Part D claims, 2024
- 15
- Industry payments
- $122
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 107 Gamma Drive, Pittsburgh, PA 15238
- Practice phone
- Call (412) 963-7917
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gamma Surgery Center
Surgery Center - Medicare-Certified · Pittsburgh, Pennsylvania
Find Dr. Maher'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 C. Maher is an ophthalmologist in Pittsburgh, Pennsylvania
Dr. Maher practices at Gamma Surgery Center in Pittsburgh, Pennsylvania.
Dr. Maher's NPI, 1003801176, was assigned on September 15, 2005. Dr. Maher holds Pennsylvania license MD028164E.
- NPI
- 1003801176NPI Registry (opens in a new tab)
- NPI enumeration date
- September 15, 2005
- NPI status
- Active
- Practice phone
- (412) 963-7917
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John C. Maher practices at Gamma Surgery Center in Pittsburgh, Pennsylvania
Dr. Maher's primary practice is Gamma Surgery Center, at 107 Gamma Drive, Pittsburgh, PA 15238. The practice phone is (412) 963-7917.
- Gamma Surgery Center107 Gamma Drive, Pittsburgh, PA 15238Phone(412) 963-7917
Source: Dmand AI Affiliation Data
Dr. John C. Maher is affiliated with 1 site of care
Dr. Maher's primary practice is Gamma Surgery Center in Pittsburgh, Pennsylvania. Dr. Maher's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John C. Maher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maher practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gamma Surgery Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John C. Maher is one of 843 ophthalmologists in Pennsylvania
Ophthalmology is Dr. Maher's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Maher is licensed in Pennsylvania.
Specialties and state licenses
- Ophthalmology, PennsylvaniaPrimary
Ophthalmologists near Dr. Maher
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 C. Maher billed Medicare for 1,186 services in 2016
CMS data shows 1,186 Medicare services from Dr. Maher across 9 procedure codes in 2016. Medicare paid $49,999 for them. Every service was in an office.
Dr. Maher's Medicare services by type, 2016
- Tests and treatments626
- Office and hospital visits548
- Imaging12
Dr. Maher compared with the Pennsylvania median for ophthalmologists, 2016
- Dr. Maher
- Pennsylvania median
- Medicare services
- 1,186vs 1,33611% below
- Part D claims
- 519vs 62016% below
Medians across 854 ophthalmologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Maher's most billed Medicare procedure codes, 2016
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. Maher and other ophthalmologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John C. Maher's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Maher's median patient age at 78, with 31% women.
Dr. Maher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women31%
- Men69%
Source: Dmand AI Patient Panel Data
Dr. John C. Maher wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Maher wrote 15 Medicare Part D claims. 100% of them were for generic drugs. They cover 14 drugs, with $126,020 in total drug cost. In 2016, CMS named 1,724 claims across 20 drugs.
Dr. Maher's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 1,7242017: 51970%
Drugs named by CMS: 14 in 2017, 20 in 2016.
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
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Dr. John C. Maher received $122 in industry payments in 2016
CMS Open Payments shows 6 general payments to Dr. Maher from 4 drug and device companies in 2016. Food and beverage make up the largest share, 69% of the total. Allergan Inc. paid the most, $55.
General payments to Dr. Maher by kind, 2016 to 2016
- Food and beverage$8469%
- Education$3831%
Companies that paid Dr. Maher the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John C. Maher'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 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 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) |
| 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 C. Maher
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 C. Maher's NPI number?
Dr. John C. Maher's NPI number is 1003801176. It was assigned on September 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John C. Maher?
Dr. John C. Maher is an ophthalmologist in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. John C. Maher practice?
Dr. Maher practices at 107 Gamma Drive, Pittsburgh, PA 15238. Dr. Maher's primary practice is Gamma Surgery Center in Pittsburgh, Pennsylvania.
What is Dr. John C. Maher's office phone number?
The practice phone on file for Dr. Maher is (412) 963-7917.
What is Dr. John C. Maher's medical license number?
Dr. Maher holds Pennsylvania license MD028164E.
Does Dr. John C. Maher accept Medicare?
Yes. CMS data shows Dr. Maher billed Medicare for 1,186 services in 2016.
What services does Dr. John C. Maher bill to Medicare?
In 2016, Dr. Maher's most billed Medicare services were office visit, established patient (99212), eye exam or test (92014) and office visit, established patient (99213).
What drugs does Dr. John C. Maher prescribe most?
In 2017 Medicare Part D data, Dr. Maher's most prescribed drugs by claims were Lumigan, Combigan and Latanoprost.
Has Dr. John C. Maher received payments from drug or device companies?
CMS Open Payments shows $122 in general payments to Dr. Maher from 4 companies from 2016 to 2016. The largest total came from Allergan Inc.
How long has Dr. John C. Maher been practicing?
Dr. Maher's NPI was assigned in 2005.
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