Doctor profile · Federal record

Dr. Gwendoline Fang, M.D

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Ontario, OH

  • NPI 1396062311
  • Accepts Medicare
  • MIPS 74.0 / 100 · 2023
  • 17 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
715 Richland Mall
Ontario, OH 449063802
(567) 307-7663
Additional location
1600 W Avenue J
Lancaster, CA 935342814
(864) 908-3530
Mailing address
700 N Columbus St
Crestline, OH 448271455

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
May 29, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
Ohio #35.137510 · California #C163159
Medicaid (2)
OH #0390792 · CA #100478799

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396062311. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
35
Distinct HCPCS
2
Medicare allowed
$1,613
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 18 15 $64
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 17 17 $27

In context: peer comparison

Among 1 peers in this city , average services per provider: 17. This provider delivers 2.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$250
Transactions
14
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 4 $67.01
Lilly USA, LLC 2 $28.45
Bayer Healthcare Pharmaceuticals Inc. 1 $24.75
Axsome Therapeutics, Inc. 1 $23.64
Sage Therapeutics, Inc. 1 $21.11
Novartis Pharmaceuticals Corporation 1 $18.40
Astellas Pharma US Inc 1 $18.28
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $18.28
Amgen Inc. 1 $16.78
Janssen Pharmaceuticals, Inc 1 $13.59

By nature of payment

Food and Beverage
$250

Frequently asked questions

Auto-generated from federal data
What is Dr. Gwendoline Fang's medical specialty?
Dr. Gwendoline Fang practices Obstetrics & Gynecology Physician in Ontario, OH.
Where does Dr. Gwendoline Fang practice?
Dr. Gwendoline Fang practices at 715 Richland Mall, Ontario, OH 449063802. Office phone: 5673077663.
What is Dr. Gwendoline Fang's NPI?
Dr. Gwendoline Fang's National Provider Identifier (NPI) is 1396062311, issued by NPPES.
Does Dr. Gwendoline Fang accept Medicare assignment?
Yes. Dr. Gwendoline Fang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gwendoline Fang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.