Doctor profile · Federal record

Dr. Katherine Winter, MD

Family Medicine Physician (CMS: Family Practice) · Pleasant Hill, CA

  • NPI 1356631121
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
401 Gregory Ln Ste 104
Pleasant Hill, CA 94523
(925) 682-2401
Additional location
2023 Vale RD
San Pablo, CA 948063834
(925) 215-9092
fax (925) 412-9867
Mailing address
1450 Treat Blvd # 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
September 26, 2019
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #FW4676649

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356631121. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
558
Distinct HCPCS
9
Medicare allowed
$45,741
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 181 117 $87
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 128 128 $58
99214 Established patient office or other outpatient visit, 30-39 minutes 127 80 $110
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 35 35 $76
G0008 Administration of influenza virus vaccine 35 35 $36
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 16 16 $18
99212 Established patient office or other outpatient visit, 10-19 minutes 14 14 $69
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 11 11 $281
G0009 Administration of pneumococcal vaccine 11 11 $36

In context: peer comparison

Among 3 peers in Pleasant Hill Family Medicine Physician, average services per provider: 116. This provider delivers 4.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$75
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 2 $40.17
Biogen, INC. 1 $20.95
Lilly USA, LLC 1 $13.60

By nature of payment

Food and Beverage
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,633
Patients
492
Total drug cost
$26,260
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 279 84 $3,824
Levothyroxine Sodium Generic 237 65 $4,976
Lisinopril Generic 183 57 $2,251
Amlodipine Besylate Generic 132 38 $1,136
Losartan Potassium Generic 116 31 $2,161
Metoprolol Succinate Generic 92 27 $2,100
Alendronate Sodium Generic 89 28 $1,306
Gabapentin Generic 83 31 $1,993
Hydrochlorothiazide Generic 80 21 $538
Metformin Hcl Generic 71 21 $1,046

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Winter's medical specialty?
Dr. Katherine Winter practices Family Medicine Physician in Pleasant Hill, CA.
Where does Dr. Katherine Winter practice?
Dr. Katherine Winter practices at 401 Gregory Ln Ste 104, Pleasant Hill, CA 94523. Office phone: 9256822401.
What is Dr. Katherine Winter's NPI?
Dr. Katherine Winter's National Provider Identifier (NPI) is 1356631121, issued by NPPES.
Does Dr. Katherine Winter accept Medicare assignment?
Yes. Dr. Katherine Winter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Winter commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.