NPPES file of Aug 9, 2026

Ryan S. Dammerman, MD

Family Medicine Physician · Lancaster, OH

Ryan S. Dammerman, MD is a family medicine physician with a practice address in Lancaster, Ohio, and NPI 1932181153, issued on Nov 15, 2005. Check the license (Ohio 35084800, as entered in NPPES) on the State Medical Board of Ohio; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932181153
Name
Ryan S. Dammerman
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
35084800 OH
Self-reported in NPPES; status is on the state search
Practice location
401 N Ewing St, Lancaster, OH 43130
Phone
(740) 687-8000
Enumerated
Nov 15, 2005
Record last updated
Feb 12, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(740) 687-8939
Medicaid ID
2539800 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 401 N Ewing St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Salomon Ahumada Sabagh, DOEmergency Medicine Physician1437809720
  2. Nawal Al-NouriRegistered Dietitian1235517368
  3. Mhmtjamil Alkhalaf, MDFamily Medicine Physician1407429574
  4. Todd Armen, MDAnesthesiology Physician1265557680
  5. Sarah Asbridge, D.O.Emergency Medicine Physician1710297304
  6. Amanda Baker, CNPAcute Care Nurse Practitioner1205232287

Verify Ryan S. Dammerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35084800
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Ryan S. Dammerman among 5,606 family medicine physician records in Ohio

Ryan S. Dammerman, MD is one of 5,606 family medicine physician records with a practice address in Ohio. 80% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileNo · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2008 · 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 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

50 family medicine physician records list a practice address in Lancaster

They are 50 of the 1,601 NPPES records with a practice address in Lancaster, and 5,606 family medicine physician records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Mark Aebi, M.D.Lancaster, OH 431301760461693
  2. Sarah Alley, M.D.Lancaster, OH 431301902882095
  3. Scott Baker, M.D.Lancaster, OH 431301235118209
  4. Kevin Frank, M.D.Lancaster, OH 431301689677874
  5. Joseph Ginty, MDLancaster, OH 431301033197132
  6. Michelle Graham, MDLancaster, OH 431301164408258
  7. Kent Guisinger, DOLancaster, OH 431301619955325
  8. Troy Hampton, D.O.Lancaster, OH 431301275536377

Common questions

What is Ryan S. Dammerman, MD's NPI number?

Ryan S. Dammerman, MD's National Provider Identifier (NPI) is 1932181153, issued on Nov 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ryan S. Dammerman, MD located?

The NPPES record lists a practice address at 401 N Ewing St, Lancaster, OH, 43130. Phone: (740) 687-8000. Providers update this record themselves, so call before visiting.

How can I verify Ryan S. Dammerman, MD's license?

NPPES lists Ohio license number 35084800, 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.