Douglas Folzenlogen, M.D.
Internal Medicine Physician · Chillicothe, OH
Douglas Folzenlogen, M.D. is an internal medicine physician with a practice address in Chillicothe, Ohio, and NPI 1801891338, issued on Jun 21, 2005. Check the license (Ohio 35074264F, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Douglas Folzenlogen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35074264F OH
Self-reported in NPPES; status is on the state search - Practice location
- 4437 State Route 159, Chillicothe, OH 45601
- Phone
- (740) 775-2652
- Enumerated
- Jun 21, 2005
- Entity
- Type 1 · individual
Also registered at 4437 State Route 159
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Boyle, DPMFoot Surgery Podiatrist1457354680
- Casey Clevenger, CNPFamily Nurse Practitioner1609113554
- Lloyd Coats, D.O.Internal Medicine Physician1477558906
- Jamie Fyffe, C.N.P.Family Nurse Practitioner1871852285
- Samer Kabbani, M.D.Cardiovascular Disease Physician1467566174
- Jennifer Keller, MDInterventional Cardiology Physician1073576294
Verify Douglas Folzenlogen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35074264FCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
76% fewer Medicare Part D claims than the average internal medicine physician in 2024
665 Medicare Part D claims for 265 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Eliquis33 claims
- Prednisone27 claims
- Ciprofloxacin Hcl25 claims
- Metoprolol Tartrate23 claims
- Furosemide22 claims
- Pantoprazole Sodium22 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.
The Medicare quality score for 2023: 40.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Beaufort County Memorial HospitalBeaufort, SC · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
65 internal medicine physician records list a Chillicothe practice address
They are 65 of the 2,938 NPPES records with a Chillicothe practice address, and 5,995 internal medicine physician records in Ohio.
All 65 in Chillicothe → All 5,995 in Ohio → Every provider in Chillicothe →
Other internal medicine physician records in Ohio
- Evan Abalos, D.O.Toledo, OH1194163089
- Teah Abashidze, M.D.Cleveland, OH1336179647
- Rami Abboud, MDLorain, OH1487854972
- Walid Abboud, MDCleveland, OH1245295559
- Moshrik Abd-Alamir, M.D.Toledo, OH1386879054
- Jason Abdallah, M.D.Cuyahoga Falls, OH1093071565
- Saaid Abdel-Ghani, M.D.Columbus, OH1598926529
- Mohammed Abdelaziz, MDDayton, OH1831326701
- Bahaa Abdelghaffar, MDCleveland, OH1265954275
- John Abdelnour, MDCleveland, OH1114656931
Common questions
What is Douglas Folzenlogen, M.D.'s NPI number?
Douglas Folzenlogen, M.D.'s National Provider Identifier (NPI) is 1801891338, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Folzenlogen, M.D. located?
The NPPES record lists a practice address at 4437 State Route 159, Chillicothe, OH, 45601. Phone: (740) 775-2652. Providers update this record themselves, so call before visiting.
How can I verify Douglas Folzenlogen, M.D.'s license?
NPPES lists Ohio license number 35074264F, 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 Douglas Folzenlogen, M.D. prescribe under Medicare Part D?
In 2024, Douglas Folzenlogen, M.D. had 665 Medicare Part D claims for 265 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Douglas Folzenlogen, M.D.'s Medicare quality score?
The 2023 MIPS final score is 40.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.