Gary A. Greenspan, MD
Internal Medicine Physician · Warrensville Hts, OH
Gary A. Greenspan, MD is an internal medicine physician with a practice address in Warrensville Hts, Ohio, and NPI 1164468120, issued on Jun 20, 2006. Check the license (Ohio 054667, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Gary A. Greenspan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 054667 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4200 Warrrensville Cntr Road, Warrensville Hts, OH 44122
- Phone
- (216) 752-7676
- Enumerated
- Jun 20, 2006
- Record last updated
- Jun 13, 2024
- Fax
- (216) 295-8041
- Medicaid IDs
- 0668728 OH
3059603 OH - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Verify Gary A. Greenspan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 054667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.4 times the Medicare Part D claims of the average internal medicine physician in 2024
13,967 Medicare Part D claims for 390 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Atorvastatin Calcium660 claims
- Amlodipine Besylate626 claims
- Levothyroxine Sodium575 claims
- Metformin Hcl415 claims
- Divalproex Sodium400 claims
- Benztropine Mesylate303 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.
Industry payments in 2024: $425.44
4 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gary A. Greenspan among 5,277 internal medicine physician records in Ohio
Gary A. Greenspan, MD is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Warrensville Hts
They are 2 of the 35 NPPES records with a practice address in Warrensville Hts, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Warrensville Hts → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Arun Gupta, MDWarrensville Heights, OH 441221245232958
- Geeta Gupta, MDWarrensville Heights, OH 441221538151378
- David Gutman, M.D.Beachwood, OH 441221396713749
- Joel Kessler, M.D.Beachwood, OH 441221346237294
- Kamal Khalafi, M.D.Beachwood, OH 441221992791263
- Peter Kibbe, MDShaker Heights, OH 441221487652871
- Richard King, MDBeachwood, OH 441221861481350
- Fatuma Midamba, M.D.Beachwood, OH 441221982674602
Common questions
What is Gary A. Greenspan, MD's NPI number?
Gary A. Greenspan, MD's National Provider Identifier (NPI) is 1164468120, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary A. Greenspan, MD located?
The NPPES record lists a practice address at 4200 Warrrensville Cntr Road, Warrensville Hts, OH, 44122. Phone: (216) 752-7676. Providers update this record themselves, so call before visiting.
How can I verify Gary A. Greenspan, MD's license?
NPPES lists Ohio license number 054667, 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 Gary A. Greenspan, MD prescribe under Medicare Part D?
In 2024, Gary A. Greenspan, MD had 13,967 Medicare Part D claims for 390 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.