Doctor profile · Federal record

Dr. Anthony Kosinski, M.D.

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

  • NPI 1588656631
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1550A Professional Drive, Suite 100
Petaluma, CA 94954
(707) 763-2900
fax (707) 763-2990

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
July 16, 2013
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
California #G88554 · Illinois #036092161

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588656631. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
190
Distinct HCPCS
6
Medicare allowed
$19,671
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 120 86 $97
99203 New patient office or other outpatient visit, 30-44 minutes 20 20 $121
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $180
51701 Insertion of temporary bladder tube 11 11 $49
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $139
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 11 11 $43

In context: peer comparison

Among 2 peers in Petaluma Obstetrics & Gynecology Physician, average services per provider: 31. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$232
Transactions
12
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 2 $68.68
Astellas Pharma US INC 2 $37.81
Smith+Nephew, INC. 1 $30.63
Medtronic, INC. 1 $22.70
Organon LLC 2 $21.71
Biogen, INC. 1 $17.34
Merck Sharp & Dohme LLC 1 $16.79
Mayne Pharma Commercial LLC 2 $16.38

By nature of payment

Food and Beverage
$232

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
246
Patients
68
Total drug cost
$39,640
Drug Type Claims Patients Total cost
Estradiol Generic 92 36 $11,415
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 30 21 $1,334
Estring (Estradiol) Brand 17 0 $9,328
Progesterone (Progesterone, Micronized) Brand 17 0 $906
Premarin (Estrogens, Conjugated) Brand 16 0 $8,591
Tolterodine Tartrate ER (Tolterodine Tartrate) Brand 16 0 $955
Amoxicillin Generic 12 0 $191
Clobetasol Propionate Generic 12 11 $239
Darifenacin ER (Darifenacin Hydrobromide) Brand 12 0 $2,814
Solifenacin Succinate Generic 11 0 $1,518

Frequently asked questions

Auto-generated from federal data
What is Dr. Anthony Kosinski's medical specialty?
Dr. Anthony Kosinski practices Obstetrics & Gynecology Physician in Petaluma, CA.
Where does Dr. Anthony Kosinski practice?
Dr. Anthony Kosinski practices at 1550A Professional Drive, Petaluma, CA 94954. Office phone: 7077632900.
What is Dr. Anthony Kosinski's NPI?
Dr. Anthony Kosinski's National Provider Identifier (NPI) is 1588656631, issued by NPPES.
Does Dr. Anthony Kosinski accept Medicare assignment?
Yes. Dr. Anthony Kosinski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anthony Kosinski 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.