Doctor profile · Federal record

Dr. Allyson Spence, MD, PHD

Medical Oncology Physician (CMS: Medical Oncology) · Hematology & Oncology Physician · Stanford, CA

  • NPI 1023301074
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
3801 Miranda Ave, Ste 111 Oncology Dept
Palo Alto, CA 943041207
(650) 493-5000

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
April 17, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
California #A78809

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023301074. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
136
Distinct HCPCS
2
Medicare allowed
$11,864
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 95 40 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 41 19 $113

In context: peer comparison

Among 27 peers in Stanford Medical Oncology Physician, average services per provider: 634. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$350
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $350.00

By nature of payment

Grant
$350

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
66
Patients
20
Total drug cost
$2,916
Drug Type Claims Patients Total cost
Anastrozole Generic 66 20 $2,916

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allyson Spence's medical specialty?
Dr. Allyson Spence practices Medical Oncology Physician in Stanford, CA.
Where does Dr. Allyson Spence practice?
Dr. Allyson Spence practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Allyson Spence's NPI?
Dr. Allyson Spence's National Provider Identifier (NPI) is 1023301074, issued by NPPES.
Does Dr. Allyson Spence accept Medicare assignment?
Yes. Dr. Allyson Spence accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allyson Spence commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.