Doctor profile · Federal record

Dr. Margaret Tempero, MD

Internal Medicine Physician (CMS: Medical Oncology) · Hematology (Internal Medicine) Physician · Medical Oncology Physician · San Francisco, CA

  • NPI 1225095730
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 49 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 Divisadero St
San Francisco, CA 941153010
(415) 353-9888
fax (415) 353-7150
Mailing address
1635 Divisadero Street, Suite 625, Box 1821
San Francisco, CA 941430001

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 23, 2008
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G85868
Medicaid
CA #0G8586800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225095730. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
101
Distinct HCPCS
3
Medicare allowed
$16,051
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 72 31 $162
99214 Established patient office or other outpatient visit, 30-39 minutes 16 14 $110
99205 New patient office or other outpatient visit, 60-74 minutes 13 13 $203

In context: peer comparison

Among 236 peers in this city , average services per provider: 93. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$8,616
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Janssen Research & Development, LLC 1 $4,800.00
Regeneron Pharmaceuticals, Inc. 3 $3,816.39

By nature of payment

Consulting Fee
$8,508
Food and Beverage
$108

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Tempero's medical specialty?
Dr. Margaret Tempero practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Margaret Tempero practice?
Dr. Margaret Tempero practices at 1600 Divisadero St, San Francisco, CA 941153010. Office phone: 4153539888.
What is Dr. Margaret Tempero's NPI?
Dr. Margaret Tempero's National Provider Identifier (NPI) is 1225095730, issued by NPPES.
Does Dr. Margaret Tempero accept Medicare assignment?
Yes. Dr. Margaret Tempero accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Tempero commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.