Doctor profile · Federal record

Dr. Oluwasayo Adeyemo, MD/MPH

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Student in an Organized Health Care Education/Training Program · Abingdon, MD

  • NPI 1205221777
  • Accepts Medicare
  • MIPS 99.8 / 100 · 2023
  • 11 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
100 Walter Ward Blvd Ste 100
Abingdon, MD 210091283
(443) 347-4700
fax (443) 643-4707
Additional location
251 Lewis Ln Ste 105
Havre de Grace, MD 210783752
Additional location
2350 Freedom Way Ste 200
York, PA 174028200
(717) 812-5120
fax (717) 741-3075

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
April 10, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Maryland #D85900 · Pennsylvania #MD489156C

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205221777. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
872
Distinct HCPCS
10
Medicare allowed
$119,870
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 237 173 $94
99204 New patient office or other outpatient visit, 45-59 minutes 156 156 $174
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 140 76 $82
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 83 81 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 72 70 $181
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 70 69 $265
45378 Diagnostic exam of large bowel using a flexible endoscope 49 49 $184
45380 Biopsy of large bowel using a flexible endoscope 27 27 $124
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 23 23 $182
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 15 15 $107

In context: peer comparison

Among 2 peers in Abingdon Gastroenterology Physician, average services per provider: 89. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$930
Transactions
39
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 11 $208.70
Takeda Pharmaceuticals U.S.A., INC. 8 $206.90
Abbvie INC. 6 $117.94
Boston Scientific Corporation 1 $115.00
Regeneron Healthcare Solutions, INC. 3 $78.80
Gilead Sciences, INC. 3 $71.73
Sandoz INC. 2 $39.52
Phathom Pharmaceuticals, INC. 2 $35.32
Pfizer INC. 1 $24.92
Organon LLC 1 $16.72
Celgene Corporation 1 $14.62

By nature of payment

Food and Beverage
$930

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
361
Patients
205
Total drug cost
$61,189
Drug Type Claims Patients Total cost
Omeprazole Generic 85 31 $1,197
Pantoprazole Sodium Generic 78 38 $1,522
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 65 64 $5,033
Colestipol Hcl Generic 37 14 $2,261
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 29 28 $5,074
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 21 18 $433
Linzess (Linaclotide) Brand 20 0 $18,088
Dicyclomine Hcl Generic 14 12 $378
Creon (Lipase/Protease/Amylase) Brand 12 0 $27,204

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Oluwasayo Adeyemo's medical specialty?
Dr. Oluwasayo Adeyemo practices Gastroenterology Physician in Abingdon, MD.
Where does Dr. Oluwasayo Adeyemo practice?
Dr. Oluwasayo Adeyemo practices at 100 Walter Ward Blvd Ste 100, Abingdon, MD 210091283. Office phone: 4433474700.
What is Dr. Oluwasayo Adeyemo's NPI?
Dr. Oluwasayo Adeyemo's National Provider Identifier (NPI) is 1205221777, issued by NPPES.
Does Dr. Oluwasayo Adeyemo accept Medicare assignment?
Yes. Dr. Oluwasayo Adeyemo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oluwasayo Adeyemo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.