Doctor profile · Federal record

Dr. Emma Winfield, N.P

Family Nurse Practitioner (CMS: Nurse Practitioner) · San Ramon, CA

  • NPI 1033458161
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6001 Norris Canyon RD
San Ramon, CA 945835400
(925) 275-9200
Mailing address
32 Gold Creek CT
Danville, CA 945061322

Credentials & registration

NPPES · NUCC
NPI registered
February 2013 — 13 yrs on file
Profile last updated
January 20, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #22756

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033458161. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
324
Distinct HCPCS
8
Medicare allowed
$34,839
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 85 76 $92
99215 Established patient office or other outpatient visit, 40-54 minutes 55 27 $155
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 48 44 $64
99497 Advance care planning, first 30 minutes 47 29 $71
99214 Established patient office or other outpatient visit, 30-39 minutes 42 21 $111
99205 New patient office or other outpatient visit, 60-74 minutes 23 23 $189
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 13 12 $114
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $144

In context: peer comparison

Among 4 peers in San Ramon Family Nurse Practitioner, average services per provider: 384. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
230
Patients
46
Total drug cost
$4,001
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 57 21 $1,338
Gabapentin Generic 37 0 $429
Trazodone Hcl Generic 25 13 $218
Levothyroxine Sodium Generic 20 0 $243
Lorazepam Generic 20 12 $76
Sertraline Hcl Generic 18 0 $328
Methadone Hcl Generic 17 0 $125
Morphine Sulfate Generic 13 0 $227
Morphine Sulfate ER (Morphine Sulfate) Brand 12 0 $488
Quetiapine Fumarate Generic 11 0 $530

Frequently asked questions

Auto-generated from federal data
What is Dr. Emma Winfield's medical specialty?
Dr. Emma Winfield practices Family Nurse Practitioner in San Ramon, CA.
Where does Dr. Emma Winfield practice?
Dr. Emma Winfield practices at 6001 Norris Canyon RD, San Ramon, CA 945835400. Office phone: 9252759200.
What is Dr. Emma Winfield's NPI?
Dr. Emma Winfield's National Provider Identifier (NPI) is 1033458161, issued by NPPES.
Does Dr. Emma Winfield accept Medicare assignment?
Yes. Dr. Emma Winfield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Emma Winfield commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Established patient office or other outpatient visit (HCPCS 99215); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.