Cynthia G. Hamm, M.D.
Family Medicine Physician · Chillicothe, OH
Cynthia G. Hamm, M.D. is a family medicine physician with a practice address in Chillicothe, Ohio, and NPI 1487760237, issued on Aug 22, 2006. Check the license (Ohio 35083784, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Cynthia G. Hamm
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 35083784 OH
Self-reported in NPPES; status is on the state search - Practice location
- 17273 State Route 104, Chillicothe, OH 45601
- Phone
- (740) 820-2141
- Enumerated
- Aug 22, 2006
- Record last updated
- Aug 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (740) 772-7122
- Medicaid ID
- 2475432 OH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 17273 State Route 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Abrashoff, O.D.Optometrist1588772933
- Noah AbstenRegistered Nurse1669204103
- Adam AcordPsychiatric/Mental Health Registered Nurse1730942244
- Raechel Adamczyk, PHARMDPsychiatric Pharmacist1326691049
- Christopher AdamsOccupational Therapist1205701166
- Carrie AddyRegistered Nurse1891512711
Verify Cynthia G. Hamm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35083784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
250 Medicare Part D claims for 26 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Atorvastatin Calcium21 claims
- Losartan Potassium14 claims
- Simvastatin13 claims
- Metformin Hcl12 claims
- Gabapentin11 claims
- Levothyroxine Sodium11 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.
Cynthia G. Hamm among 5,606 family medicine physician records in Ohio
Cynthia G. Hamm, M.D. 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. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2021 · 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).
63 family medicine physician records list a practice address in Chillicothe
They are 63 of the 2,938 NPPES records with a practice address in Chillicothe, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Chillicothe → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wayne Beam, MDChillicothe, OH 456011073548921
- J Crawford, M.D.Chillicothe, OH 456011497757868
- Jerry Kunz, MDChillicothe, OH 456011871596668
- Brian Lott, M.D.Chillicothe, OH 456011801862826
- Kristine McCallum, MDChillicothe, OH 456011093707705
- Jennifer Mowry-Fisk, MDChillicothe, OH 456011528086758
- Alan Noel, MDChillicothe, OH 456011770517617
- Herbert Segnitz, MDChillicothe, OH 456011447282413
Common questions
What is Cynthia G. Hamm, M.D.'s NPI number?
Cynthia G. Hamm, M.D.'s National Provider Identifier (NPI) is 1487760237, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia G. Hamm, M.D. located?
The NPPES record lists a practice address at 17273 State Route 104, Chillicothe, OH, 45601. Phone: (740) 820-2141. Providers update this record themselves, so call before visiting.
How can I verify Cynthia G. Hamm, M.D.'s license?
NPPES lists Ohio license number 35083784, 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 Cynthia G. Hamm, M.D. prescribe under Medicare Part D?
In 2024, Cynthia G. Hamm, M.D. had 250 Medicare Part D claims for 26 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.