Doctor profile · Federal record

Dr. Andrew Lin, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Fairfield, CA

  • NPI 1689617565
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1860 Pennsylvania Ave, Suite 300
Fairfield, CA 945333590
(707) 646-4100
fax (707) 646-4101

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 19, 2026
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #G80572
Medicaid
CA #FHC70125F

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689617565. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
60
Distinct HCPCS
3
Medicare allowed
$7,695
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 32 19 $103
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $127
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $187

In context: peer comparison

Among 3 peers in this city , average services per provider: 19. This provider delivers 3.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$117
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US Inc 2 $50.36
Hologic Sales and Service, LLC 1 $24.87
Medtronic, Inc. 1 $21.11
Biogen, Inc. 1 $20.56

By nature of payment

Food and Beverage
$117

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
0
Total drug cost
$1,029
Drug Type Claims Patients Total cost
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 13 0 $1,029

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Lin's medical specialty?
Dr. Andrew Lin practices Obstetrics & Gynecology Physician in Fairfield, CA.
Where does Dr. Andrew Lin practice?
Dr. Andrew Lin practices at 1860 Pennsylvania Ave, Fairfield, CA 945333590. Office phone: 7076464100.
What is Dr. Andrew Lin's NPI?
Dr. Andrew Lin's National Provider Identifier (NPI) is 1689617565, issued by NPPES.
Does Dr. Andrew Lin accept Medicare assignment?
Yes. Dr. Andrew Lin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Lin 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); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.