Doctor profile · Federal record

Dr. Gretchen Fulgencio, RN, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Oncology Registered Nurse · Berkeley, CA

  • NPI 1326421884
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3100 San Pablo Ave., Suite 430
Berkeley, CA 94702
(415) 476-3369
fax (510) 985-5202

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
March 4, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
California #22811 · California #676689

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326421884. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
176
Distinct HCPCS
2
Medicare allowed
$23,143
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 164 119 $137
99442 Telephone medical discussion with physician, 11-20 minutes 12 11 $63

In context: peer comparison

Among 11 peers in Berkeley Family Nurse Practitioner, average services per provider: 89. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
437
Patients
96
Total drug cost
$988,283
Drug Type Claims Patients Total cost
Letrozole Generic 61 23 $2,567
Gabapentin Generic 57 14 $744
Anastrozole Generic 53 17 $1,090
Ibrance (Palbociclib) Brand 50 0 $819,378
Exemestane Generic 29 11 $10,484
Alendronate Sodium Generic 27 0 $319
Famotidine Generic 25 0 $388
Lorazepam Generic 25 18 $153
Oxycodone Hcl Generic 20 0 $521
Omeprazole Generic 19 0 $348

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gretchen Fulgencio's medical specialty?
Dr. Gretchen Fulgencio practices Family Nurse Practitioner in Berkeley, CA.
Where does Dr. Gretchen Fulgencio practice?
Dr. Gretchen Fulgencio practices at 3100 San Pablo Ave., Berkeley, CA 94702. Office phone: 4154763369.
What is Dr. Gretchen Fulgencio's NPI?
Dr. Gretchen Fulgencio's National Provider Identifier (NPI) is 1326421884, issued by NPPES.
Does Dr. Gretchen Fulgencio accept Medicare assignment?
Yes. Dr. Gretchen Fulgencio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Fulgencio commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.