Doctor profile · Federal record

Dr. Douglas Fosselman, M.D.

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

  • NPI 1679556229
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
555 W Schrock RD, Suite 110
Westerville, OH 430818702
(614) 882-0708
fax (614) 882-2878

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
March 15, 2011
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Ohio #35-04-9664
Medicaid
OH #0605090

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679556229. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,359
Distinct HCPCS
10
Medicare allowed
$103,854
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,575 14 $0
36415 Insertion of needle into vein for collection of blood sample 388 219 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 270 198 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 251 164 $121
84443 Blood test, thyroid stimulating hormone (tsh) 248 196 $16
80053 Blood test, comprehensive group of blood chemicals 231 197 $10
84439 Thyroxine (thyroid chemical), free 213 171 $9
80061 Blood test, lipids (cholesterol and triglycerides) 205 185 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 168 168 $122
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 153 148 $14

In context: peer comparison

Among 18 peers in Westerville Internal Medicine Physician, average services per provider: 98. This provider delivers 55× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$981
Transactions
45
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 6 $133.10
Pfizer INC. 6 $125.77
Lilly USA, LLC 5 $90.72
Novo Nordisk INC 5 $75.65
AstraZeneca Pharmaceuticals Lp 5 $72.38
Amgen INC. 2 $49.37
Xeris Pharmaceuticals, INC. 2 $48.45
Exact Sciences Corporation 2 $45.43
GlaxoSmithKline, LLC. 3 $43.28
Dexcom, INC. 2 $42.98
Phathom Pharmaceuticals, INC. 2 $42.72
Axsome Therapeutics, INC. 1 $32.97
Edwards Lifesciences Corporation 1 $28.98
Merck Sharp & Dohme LLC 2 $28.22
Actelion Pharmaceuticals US, INC. 1 $21.30

By nature of payment

Food and Beverage
$981

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,994
Patients
960
Total drug cost
$40,214
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 418 134 $5,307
Atorvastatin Calcium Generic 360 117 $4,198
Rosuvastatin Calcium Generic 351 105 $5,424
Meloxicam Generic 201 62 $934
Omeprazole Generic 197 66 $2,809
Losartan Potassium Generic 196 58 $2,441
Metoprolol Succinate Generic 175 57 $3,794
Simvastatin Generic 165 57 $1,186
Lisinopril Generic 160 54 $758
Tamsulosin Hcl Generic 157 54 $3,409

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Fosselman's medical specialty?
Dr. Douglas Fosselman practices Internal Medicine Physician in Westerville, OH.
Where does Dr. Douglas Fosselman practice?
Dr. Douglas Fosselman practices at 555 W Schrock RD, Westerville, OH 430818702. Office phone: 6148820708.
What is Dr. Douglas Fosselman's NPI?
Dr. Douglas Fosselman's National Provider Identifier (NPI) is 1679556229, issued by NPPES.
Does Dr. Douglas Fosselman accept Medicare assignment?
Yes. Dr. Douglas Fosselman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Fosselman commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.