Doctor profile · Federal record

Dr. Napoleon Nazareno, NP-C

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

  • NPI 1427466465
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
837 Addison St
Berkeley, CA 947102047
(510) 981-4100
Mailing address
2299 Mowry Ave Ste 3B
Fremont, CA 945381621

Credentials & registration

NPPES · NUCC
NPI registered
July 2014 — 12 yrs on file
Profile last updated
November 3, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95000985

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427466465. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,816
Distinct HCPCS
6
Medicare allowed
$157,715
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 921 138 $72
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 696 125 $104
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 77 37 $72
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 68 40 $104
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 30 28 $148
99497 Advance care planning, first 30 minutes 24 22 $80

In context: peer comparison

Among 11 peers in Berkeley Family Nurse Practitioner, average services per provider: 89. This provider delivers 20× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
330
Patients
142
Total drug cost
$28,577
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 50 29 $767
Atorvastatin Calcium Generic 45 31 $1,001
Lisinopril Generic 25 18 $596
Cyclobenzaprine Hcl Generic 24 11 $332
Metformin Hcl Generic 21 14 $438
Gabapentin Generic 20 14 $826
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 20 11 $420
Ibuprofen Generic 20 14 $205
Losartan Potassium Generic 19 0 $363
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 18 0 $570

Frequently asked questions

Auto-generated from federal data
What is Dr. Napoleon Nazareno's medical specialty?
Dr. Napoleon Nazareno practices Family Nurse Practitioner in Berkeley, CA.
Where does Dr. Napoleon Nazareno practice?
Dr. Napoleon Nazareno practices at 837 Addison St, Berkeley, CA 947102047. Office phone: 5109814100.
What is Dr. Napoleon Nazareno's NPI?
Dr. Napoleon Nazareno's National Provider Identifier (NPI) is 1427466465, issued by NPPES.
Does Dr. Napoleon Nazareno accept Medicare assignment?
Yes. Dr. Napoleon Nazareno accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Napoleon Nazareno commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.