Doctor profile · Federal record

Dr. Charles Weiss, MD

Family Medicine Physician (CMS: Family Practice) · Palo Alto, CA

  • NPI 1780788919
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
795 El Camino Real
Palo Alto, CA 943012302
(650) 853-2959
Mailing address
Po Box 276950
Sacramento, CA 958276950

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
June 6, 2025
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #G48539

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780788919. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,055
Distinct HCPCS
9
Medicare allowed
$74,309
HCPCS Description Services Patients Avg allowed
G0008 Administration of influenza virus vaccine 377 377 $38
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 371 371 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 92 92 $156
99213 Established patient office or other outpatient visit, 20-29 minutes 91 90 $111
J0696 Injection, ceftriaxone sodium, per 250 mg 44 11 $1
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 29 29 $50
99215 Established patient office or other outpatient visit, 40-54 minutes 23 23 $218
81003 Automated urinalysis test 17 17 $2
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 11 11 $88

In context: peer comparison

Among 17 peers in this city , average services per provider: 60. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
31
Patients
31
Total drug cost
$274
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 20 $167
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 11 11 $107

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Weiss's medical specialty?
Dr. Charles Weiss practices Family Medicine Physician in Palo Alto, CA.
Where does Dr. Charles Weiss practice?
Dr. Charles Weiss practices at 795 El Camino Real, Palo Alto, CA 943012302. Office phone: 6508532959.
What is Dr. Charles Weiss's NPI?
Dr. Charles Weiss's National Provider Identifier (NPI) is 1780788919, issued by NPPES.
Does Dr. Charles Weiss accept Medicare assignment?
Yes. Dr. Charles Weiss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Weiss commonly perform?
Top Medicare-reported procedures in 2023: Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.