Anthony Kosinski, M.D.
NPI 1588656631 · Obstetrics & Gynecology Physician · Petaluma, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Kosinski, M.D. is a Obstetrics & Gynecology Physician provider in Petaluma, CA (NPI 1588656631).
Provider details
- NPI number
- 1588656631
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036092161 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
212 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 150 | $98 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 37 | $121 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 13 | $43 |
| Insertion of Temporary Bladder Tube51701 | 12 | $49 |
Typical Medicare-allowed amounts for these services range $43–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 140 | 50 |
| Progesterone, Micronizedbrand: Progesterone | 39 | 13 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 35 | 25 |
| Estradiolbrand: Yuvafem | 31 | 12 |
| Estrogens, Conjugatedbrand: Premarin | 28 | 16 |
| Clobetasol Propionate | 21 | 15 |
| Estradiolbrand: Estring | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$232 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2013-07-16
Frequently asked questions
- What is Anthony Kosinski's NPI number?
- Anthony Kosinski's National Provider Identifier (NPI) is 1588656631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Kosinski's specialty?
- Anthony Kosinski is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Kosinski located?
- Anthony Kosinski's practice location on file with NPPES is 1550a Professional Drive, Petaluma, CA 94954.
- What is Anthony Kosinski's phone number?
- The practice phone number listed in the NPPES registry for Anthony Kosinski is (707) 763-2900.
- Does Anthony Kosinski accept Medicare?
- Anthony Kosinski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Kosinski's NPI active?
- Yes — Anthony Kosinski's NPI (1588656631) is active in the NPPES registry as of the last update on 2013-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.