Charles Hammond McGowen, MD
Internal Medicine Physician · Warren, OH
Charles Hammond McGowen, MD is an internal medicine physician with a practice address in Warren, Ohio, and NPI 1437399326, issued on Mar 5, 2009. Check the license (Ohio 35.025084, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Charles Hammond McGowen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.025084 OH
Self-reported in NPPES; status is on the state search - Practice location
- 90 Oak Tree LN SE, Warren, OH 44484
- Phone
- (330) 609-7296
- Enumerated
- Mar 5, 2009
- Record last updated
- Mar 5, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (330) 856-2043
- Medicare enrollment
- Enrolled (PECOS I20140128001847); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1961
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Verify Charles Hammond McGowen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.025084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
14 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Ohio North East Health Systems IncAlliance, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Hammond McGowen among 5,277 internal medicine physician records in Ohio
Charles Hammond McGowen, 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 2009, is newer than 56% of them.
- NPI issued2009 · 56% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1961 · median 2006 among the 3,414 with a school on file
- Record last updated2009 · 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).
39 internal medicine physician records list a practice address in Warren
They are 39 of the 2,090 NPPES records with a practice address in Warren, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Warren → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Bisel, DOWarren, OH 444841831150242
- Christopher Chuirazzi, M.D.Warren, OH 444841215923743
- Douglas Dunlap, D.O.Warren, OH 444841215921358
- Christopher Hebert, M.D.Warren, OH 444841669430047
- Subhash Khaterpaul, MDWarren, OH 444841154394237
- James Kondolios, MDWarren, OH 444841073592663
- Kapil Kwatra, M.DWarren, OH 444841326016320
- Adam Levine, MDWarren, OH 444841124127063
Common questions
What is Charles Hammond McGowen, MD's NPI number?
Charles Hammond McGowen, MD's National Provider Identifier (NPI) is 1437399326, issued on Mar 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Charles Hammond McGowen, MD located?
The NPPES record lists a practice address at 90 Oak Tree LN SE, Warren, OH, 44484. Phone: (330) 609-7296. Providers update this record themselves, so call before visiting.
How can I verify Charles Hammond McGowen, MD's license?
NPPES lists Ohio license number 35.025084, 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 Charles Hammond McGowen, MD prescribe under Medicare Part D?
In 2024, Charles Hammond McGowen, MD had 14 Medicare Part D claims; 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.