Peter H. Greenwalt, MD
Gastroenterology Physician · Westlake, OH
Peter H. Greenwalt, MD is a gastroenterology physician with a practice address in Westlake, Ohio, and NPI 1023039310, issued on Jul 21, 2006. Check the license (Ohio 35038788, as entered in NPPES) on the State Medical Board of Ohio; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Peter H. Greenwalt
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 35038788 OH
Self-reported in NPPES; status is on the state search - Practice location
- 850 Columbia RD, Westlake, OH 44145
- Phone
- (440) 808-1212
- Enumerated
- Jul 21, 2006
- Record last updated
- Apr 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (440) 808-0321
- Medicaid ID
- 347431 OH
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 741 in Ohio → Look up another NPI →
Also registered at 850 Columbia RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Iqbal Ahmed, MDGastroenterology Physician1114948569
- Maher Azzouz, MDGastroenterology Physician1336160498
- James Bekeny, M.D.Specialist1194781500
- Tina Black, DOFamily Medicine Physician1174609754
- Emily BobekSports Medicine (Physical Medicine & Rehabilitation) Physician1659089571
- Kristen Borriello, O.D.Optometrist1275263121
Verify Peter H. Greenwalt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35038788Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Peter H. Greenwalt among 741 gastroenterology physician records in Ohio
Peter H. Greenwalt, MD is one of 741 gastroenterology physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 47% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2008 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 gastroenterology physician records list a practice address in Westlake
They are 24 of the 1,749 NPPES records with a practice address in Westlake, and 741 gastroenterology physician records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 741 in Ohio → Every provider in Westlake → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Iqbal Ahmed, MDWestlake, OH 441451114948569
- Naim Alkhouri, MDWestlake, OH 441451134336662
- Maher Azzouz, MDWestlake, OH 441451336160498
- Fadi Bashour, MDWestlake, OH 441451821022708
- Edmond Blades, MDWestlake, OH 441451245258680
- Anita Cheriyan, MDWestlake, OH 441451003882762
- Noma Dakhil, MDWestlake, OH 441451578760211
- Khaled IssaWestlake, OH 441451801818646
Common questions
What is Peter H. Greenwalt, MD's NPI number?
Peter H. Greenwalt, MD's National Provider Identifier (NPI) is 1023039310, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter H. Greenwalt, MD located?
The NPPES record lists a practice address at 850 Columbia RD, Westlake, OH, 44145. Phone: (440) 808-1212. Providers update this record themselves, so call before visiting.
How can I verify Peter H. Greenwalt, MD's license?
NPPES lists Ohio license number 35038788, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.