John Geoffrey Allen, M.D.
Ophthalmology Physician · Columbus, OH
John Geoffrey Allen, M.D. is an ophthalmology physician with a practice address in Columbus, Ohio, and NPI 1821084096, issued on Sep 23, 2005. Check the license (Ohio 35056570, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- John Geoffrey Allen
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 35056570 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3794 Olentangy River RD., Columbus, OH 43214
- Phone
- (614) 267-4122
- Enumerated
- Sep 23, 2005
- Record last updated
- Jan 27, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (614) 267-4242
- Medicaid ID
- 0819798 OH
- Medicare enrollment
- Enrolled (PECOS I20100623000675); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 751 in Ohio → Look up another NPI →
Verify John Geoffrey Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35056570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average ophthalmology physician in 2024
343 Medicare Part D claims for 97 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Ketorolac Tromethamine87 claims
- Latanoprost69 claims
- Prednisolone Acetate60 claims
- Tobramycin-Dexamethasone58 claims
- Timolol Maleate16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 88.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
John Geoffrey Allen among 751 ophthalmology physician records in Ohio
John Geoffrey Allen, M.D. is one of 751 ophthalmology physician records with a practice address in Ohio. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 75% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1986 · median 2002 among the 495 with a school on file
- Record last updated2016 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Ohio
There are 751 ophthalmology physician records in Ohio.
All 751 in Ohio → Every provider in Columbus → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Louise Doyle, D.O.Columbus, OH 432141265503254
- Steven Katz, MDColumbus, OH 432141518906866
- Kathleen McGowan, M.D.Columbus, OH 432141013908763
- Norman Baker, M.D.Columbus, OH 432151790761476
- Lisa Borkowski, MDColumbus, OH 432151033104435
- John Burns, M.D.Columbus, OH 432151972589190
- Kenneth Cahill, M.D.Columbus, OH 432151164408852
- Alice Epitropoulos, M.D.Columbus, OH 432151205812997
Common questions
What is John Geoffrey Allen, M.D.'s NPI number?
John Geoffrey Allen, M.D.'s National Provider Identifier (NPI) is 1821084096, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Geoffrey Allen, M.D. located?
The NPPES record lists a practice address at 3794 Olentangy River RD., Columbus, OH, 43214. Phone: (614) 267-4122. Providers update this record themselves, so call before visiting.
How can I verify John Geoffrey Allen, M.D.'s license?
NPPES lists Ohio license number 35056570, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Geoffrey Allen, M.D. prescribe under Medicare Part D?
In 2024, John Geoffrey Allen, M.D. had 343 Medicare Part D claims for 97 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is John Geoffrey Allen, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.