Doctor profile · Federal record

Dr. Robert Weber, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Daly City, CA

  • NPI 1265505291
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1800 Sullivan Ave, Suite 603
Daly City, CA 940152225
(415) 337-2121
fax (415) 337-1247

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
California #G72551 · California #G072551
Medicaid (2)
CA #00G725510 · CA #00G7255102

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265505291. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,342
Distinct HCPCS
10
Medicare allowed
$180,162
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 650 243 $151
99214 Established patient office or other outpatient visit, 30-39 minutes 303 129 $109
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 148 44 $88
99213 Established patient office or other outpatient visit, 20-29 minutes 50 23 $74
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $194
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 30 $144
99215 Established patient office or other outpatient visit, 40-54 minutes 26 24 $210
99205 New patient office or other outpatient visit, 60-74 minutes 25 25 $255
99213 Established patient office or other outpatient visit, 20-29 minutes 24 15 $107
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $148

In context: peer comparison

Among 1 peers in this city , average services per provider: 122. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34,937
Transactions
188
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, Inc. 33 $27,217.66
Incyte Corporation 7 $3,432.91
Janssen Biotech, Inc. 22 $499.15
AstraZeneca Pharmaceuticals LP 17 $405.29
E.R. Squibb & Sons, L.L.C. 25 $349.44
Daiichi Sankyo Inc. 14 $282.02
PFIZER INC. 11 $235.68
ABBVIE INC. 10 $230.06
Coherus Biosciences Inc. 8 $200.52
Genentech USA, Inc. 7 $196.99
Novartis Pharmaceuticals Corporation 7 $165.58
GlaxoSmithKline, LLC. 9 $143.29
Merck Sharp & Dohme LLC 7 $141.03
Astellas Pharma US Inc 6 $132.20
Janssen Pharmaceuticals, Inc 5 $128.70

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$22,779
Food and Beverage
$5,069
Travel and Lodging
$3,690
Consulting Fee
$3,300
Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
747
Patients
167
Total drug cost
$3,050,869
Drug Type Claims Patients Total cost
Anastrozole Generic 242 81 $11,389
Imbruvica (Ibrutinib) Brand 62 0 $792,340
Hydroxyurea Generic 58 18 $2,515
Tagrisso (Osimertinib Mesylate) Brand 57 0 $1,005,334
Ondansetron Hcl Generic 48 31 $471
Letrozole Generic 46 12 $1,615
Eliquis (Apixaban) Brand 40 13 $39,896
Tamoxifen Citrate Generic 34 12 $1,319
Revlimid (Lenalidomide) Brand 33 0 $605,556
Lorazepam Generic 28 0 $237

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Weber's medical specialty?
Dr. Robert Weber practices Hematology & Oncology Physician in Daly City, CA.
Where does Dr. Robert Weber practice?
Dr. Robert Weber practices at 1800 Sullivan Ave, Daly City, CA 940152225. Office phone: 4153372121.
What is Dr. Robert Weber's NPI?
Dr. Robert Weber's National Provider Identifier (NPI) is 1265505291, issued by NPPES.
Does Dr. Robert Weber accept Medicare assignment?
Yes. Dr. Robert Weber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Weber commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.