Doctor profile · Federal record

Dr. Sherfong Gee, D.O.

Pulmonary Disease Physician (CMS: Internal Medicine) · Critical Care Medicine (Internal Medicine) Physician · San Leandro, CA

  • NPI 1639274772
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2500 Merced St
San Leandro, CA 945774201
(510) 454-1000

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
December 9, 2021
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #20A7634

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639274772. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57
Distinct HCPCS
2
Medicare allowed
$5,060
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 45 16 $88
99238 Hospital discharge day management, 30 minutes or less 12 12 $92

In context: peer comparison

Among 4 peers in San Leandro Pulmonary Disease Physician, average services per provider: 126. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
132
Patients
69
Total drug cost
$10,552
Drug Type Claims Patients Total cost
Furosemide Generic 39 29 $454
Spiriva Respimat (Tiotropium Bromide) Brand 24 0 $6,965
Metoprolol Tartrate Generic 19 14 $144
Doxycycline Monohydrate Generic 14 14 $134
Atorvastatin Calcium Generic 13 12 $229
Amlodipine Besylate Generic 12 0 $117
Pradaxa (Dabigatran Etexilate Mesylate) Brand 11 0 $2,509

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sherfong Gee's medical specialty?
Dr. Sherfong Gee practices Pulmonary Disease Physician in San Leandro, CA.
Where does Dr. Sherfong Gee practice?
Dr. Sherfong Gee practices at 2500 Merced St, San Leandro, CA 945774201. Office phone: 5104541000.
What is Dr. Sherfong Gee's NPI?
Dr. Sherfong Gee's National Provider Identifier (NPI) is 1639274772, issued by NPPES.
Does Dr. Sherfong Gee accept Medicare assignment?
Yes. Dr. Sherfong Gee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sherfong Gee commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.