Doctor profile · Federal record

Dr. Joseph Lake, ARNP

Nurse Practitioner · Acute Care Nurse Practitioner · San Francisco, CA

  • NPI 1497238984
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
505 Parnassus Ave
San Francisco, CA 941432204
(407) 408-3420

Credentials & registration

NPPES · NUCC
NPI registered
September 2018 — 8 yrs on file
Profile last updated
July 26, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
California #95009801 · Maryland #AC002434

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497238984. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
49
Distinct HCPCS
1
Medicare allowed
$9,678
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 49 23 $198

In context: peer comparison

Among 57 peers in San Francisco Nurse Practitioner, average services per provider: 68. This provider delivers 0.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Lake's medical specialty?
Dr. Joseph Lake practices Nurse Practitioner in San Francisco, CA.
Where does Dr. Joseph Lake practice?
Dr. Joseph Lake practices at 505 Parnassus Ave, San Francisco, CA 941432204. Office phone: 4074083420.
What is Dr. Joseph Lake's NPI?
Dr. Joseph Lake's National Provider Identifier (NPI) is 1497238984, issued by NPPES.
Does Dr. Joseph Lake accept Medicare assignment?
Yes. Dr. Joseph Lake accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Lake commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.