Doctor profile · Federal record

Dr. Alissa O'Hagan, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Traverse City, MI

  • NPI 1376874040
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3960 W Royal Dr
Traverse City, MI 496849200
(231) 947-0404
fax (231) 947-2190
Additional location
1105 Sixth St
Traverse City, MI 496842345
(231) 935-5000

Credentials & registration

NPPES · NUCC
NPI registered
January 2010 — 16 yrs on file
Profile last updated
March 7, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Michigan #4301104030

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376874040. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
3
Medicare allowed
$7,083
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 44 30 $85
99203 New patient office or other outpatient visit, 30-44 minutes 25 25 $107
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 18 18 $37

In context: peer comparison

Among 1 peers in Traverse City Obstetrics & Gynecology Physician, average services per provider: 29. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
33
Patients
17
Total drug cost
$3,752
Drug Type Claims Patients Total cost
Estradiol Generic 33 17 $3,752

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alissa O'Hagan's medical specialty?
Dr. Alissa O'Hagan practices Obstetrics & Gynecology Physician in Traverse City, MI.
Where does Dr. Alissa O'Hagan practice?
Dr. Alissa O'Hagan practices at 3960 W Royal Dr, Traverse City, MI 496849200. Office phone: 2319470404.
What is Dr. Alissa O'Hagan's NPI?
Dr. Alissa O'Hagan's National Provider Identifier (NPI) is 1376874040, issued by NPPES.
Does Dr. Alissa O'Hagan accept Medicare assignment?
Yes. Dr. Alissa O'Hagan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alissa O'Hagan 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 99203); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.