Doctor profile · Federal record

Dr. Douglas Folzenlogen, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Chillicothe, OH

  • NPI 1801891338
  • Accepts Medicare
  • MIPS 35.7 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4437 State Route 159, Ste. 115
Chillicothe, OH 456017065
(740) 775-2652
fax (740) 775-2699

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
April 11, 2008
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Ohio #35074264F
Medicaid
OH #2062799

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801891338. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,084
Distinct HCPCS
5
Medicare allowed
$102,622
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 576 246 $75
99239 Hospital discharge day management, more than 30 minutes 265 251 $108
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 127 76 $113
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 102 99 $149
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $100

In context: peer comparison

Among 13 peers in this city , average services per provider: 99. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
268
Patients
137
Total drug cost
$11,881
Drug Type Claims Patients Total cost
Prednisone Generic 35 32 $99
Ciprofloxacin Hcl Generic 33 33 $174
Amlodipine Besylate Generic 25 15 $157
Furosemide Generic 21 16 $78
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 19 18 $186
Metoprolol Succinate Generic 19 12 $131
Eliquis (Apixaban) Brand 18 0 $9,871
Sertraline Hcl Generic 15 0 $59
Atorvastatin Calcium Generic 14 0 $215
Gabapentin Generic 14 0 $270

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Folzenlogen's medical specialty?
Dr. Douglas Folzenlogen practices Internal Medicine Physician in Chillicothe, OH.
Where does Dr. Douglas Folzenlogen practice?
Dr. Douglas Folzenlogen practices at 4437 State Route 159, Chillicothe, OH 456017065. Office phone: 7407752652.
What is Dr. Douglas Folzenlogen's NPI?
Dr. Douglas Folzenlogen's National Provider Identifier (NPI) is 1801891338, issued by NPPES.
Does Dr. Douglas Folzenlogen accept Medicare assignment?
Yes. Dr. Douglas Folzenlogen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Folzenlogen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.