Katherine Winter, MD
NPI 1356631121 · Family Medicine Physician · Pleasant Hill, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Winter, MD is a Family Medicine Physician provider in Pleasant Hill, CA (NPI 1356631121).
Provider details
- NPI number
- 1356631121
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- FW4676649 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
853 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 | 265 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 203 | $110 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 160 | $45 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 50 | $19 |
| Administration of Influenza Virus VaccineG0008 | 42 | $39 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 330 | 106 |
| Levothyroxine Sodium | 238 | 67 |
| Lisinopril | 193 | 57 |
| Amlodipine Besylate | 148 | 53 |
| Losartan Potassium | 121 | 40 |
| Gabapentin | 93 | 35 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$75 across 4 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
Additional practice locations (2)
- 2023 Vale RdSan Pablo, CA 94806-3834Phone: (925) 215-9092Fax: (925) 412-9867
- 2023 Vale RdSan Pablo, CA 94806-3834Phone: (925) 215-9092Fax: (925) 412-9867
Registry dates
- Enumerated
- 2011-04-14
- Last updated
- 2019-09-26
Frequently asked questions
- What is Katherine Winter's NPI number?
- Katherine Winter's National Provider Identifier (NPI) is 1356631121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Winter's specialty?
- Katherine Winter is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Winter located?
- Katherine Winter's practice location on file with NPPES is 401 Gregory Ln Ste 104, Pleasant Hill, CA 94523.
- What is Katherine Winter's phone number?
- The practice phone number listed in the NPPES registry for Katherine Winter is (925) 682-2401.
- Does Katherine Winter accept Medicare?
- Katherine Winter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Winter's NPI active?
- Yes — Katherine Winter's NPI (1356631121) is active in the NPPES registry as of the last update on 2019-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.