Dr. Allyson Campbell Spence, MD, PhD

  • Stanford, CA
  • Medical oncologist
NPI1023301074PAC ID6305167883
Medicare services, 2024
101
Medicare patients, 2024
50
Part D claims, 2024
89
Publications
9
Clinical trials
2
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 3 affiliations

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Dr. Allyson Campbell Spence is a medical oncologist in Stanford, California

Dr. Spence practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Spence's NPI, 1023301074, was assigned on May 24, 2011. Dr. Spence graduated from Vanderbilt University School Of Medicine in 2000. Dr. Spence's California license number on file is A78809.

NPI and contact details
Medicare PAC ID
6305167883
NPI enumeration date
May 24, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
52
Medical school graduation
2000

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Allyson Campbell Spence practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Spence's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Source: Dmand AI Affiliation Data

Dr. Allyson Campbell Spence is affiliated with 2 sites of care and 1 medical group

Dr. Spence's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Spence to 1 more hospital, named with a free account. Dr. Spence's employer is on file too: a hospital.

See all 3 affiliations for Dr. Spence

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Allyson Campbell Spence's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spence practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Allyson Campbell Spence is one of 415 medical oncologists in California

Medical oncology is Dr. Spence's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Spence is board certified in medical oncology by the American Board of Internal Medicine. Dr. Spence has a license on file in California.

Specialties and state licenses

  • Medical oncology, CaliforniaPrimaryLicense A78809 · 2002 to 2025 · taxonomy 207RX0202X

Clinical focus

Dmand AI lists breast cancer among the conditions Dr. Spence treats.

Medical oncologists near Dr. Spence

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Allyson Campbell Spence billed Medicare for 101 services in 2024

CMS data shows 101 Medicare services from Dr. Spence across 2 procedure codes in 2024, all of them office visits, for 50 Medicare patients. Medicare paid $6,178 for them.

Medicare services, 2024101
Medicare patients50
Paid by Medicare$6,178
Procedure codes2

Dr. Spence's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1362024: 10126%

Where Dr. Spence's Medicare services took place, 2024

  • In an office1818%
  • In a facility8382%

Dr. Spence compared with the California median for medical oncologists, 2024

  • Dr. Spence
  • California median
Medicare services
101vs 49680% below
Medicare patients
50vs 15468% below
Part D claims
57vs 14460% below

Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.

Dr. Spence's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Spence

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Allyson Campbell Spence treated 50 Medicare patients in 2024, average age 73

CMS counts 50 Medicare patients who saw Dr. Spence in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have cancer, and 60% have high blood pressure. Their average risk score is 1.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Spence's median patient age at 59, with 93% women.

Medicare patients, 202450
Average age73
Average risk score1.56

Dr. Spence's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Spence's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure60%
  3. High cholesterol58%
  4. Arthritis36%
  5. Osteoporosis32%
  6. Depression22%
  7. Mood disorders22%

Share of Medicare patients with each condition. A patient can have several.

Dr. Spence's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women93%
  • Men5%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Allyson Campbell Spence wrote 89 Medicare Part D claims in 2024

In 2024, Dr. Spence wrote 89 Medicare Part D claims for 27 patients. 84% of them were for generic drugs. CMS names the drug for 57 of them, across 1 drug with 11 or more claims each, at $1,306 in total drug cost. In 2023, CMS named 66 claims across 1 drug.

Part D claims, 202489
Drugs named by CMS1
Total drug cost$1,306
Part D patients27

Dr. Spence's Part D claims by kind of drug, 2024

  • Generic75 claims84%
  • Brand-name14 claims16%

Dr. Spence's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 662024: 5714%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Spence

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Allyson Campbell Spence scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Spence for performance year 2024, reported as part of a group. Dr. Spence accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Spence as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Spence's MIPS scores, performance year 2024

  • 89of 100Final score
  • 87.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Allyson Campbell Spence has 9 publications on record

Dmand AI links 9 papers to Dr. Spence, published from 2015 to 2023. The most frequent topics are T-Lymphocytes, Regulatory, Cell Differentiation and Diabetes Mellitus, Type 1. Dr. Spence's most frequent co-authors are Thomas Floyd Osborne, MD, Susan Marie Swetter, MD and Mark S. Anderson, MD.

Papers9
Years published2015 to 2023

Dr. Spence's papers by year, 2015 to 2023

Topics Dr. Spence writes about most

  • T-Lymphocytes, Regulatory
  • Cell Differentiation
  • Diabetes Mellitus, Type 1
  • Autoantigens
  • Autoimmune Diseases
  • Cell Proliferation
  • Drosophila melanogaster
  • Drosophila Proteins

Dr. Spence's most frequent co-authors

Recent publications by Dr. Spence

See all 9 publications and co-authors

See who Dr. Spence researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Spence works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Allyson Campbell Spence has worked on 2 clinical trials

Dmand AI links Dr. Spence to 2 clinical trials, 2 of them phase 2 studies. 1 is still active or recruiting. Conditions studied include Lymphoma, Follicular and Lymphoma, Non-Hodgkin. National Cancer Institute (NCI) sponsors the most, 2.

Conditions in Dr. Spence's trials

  • Lymphoma, Follicular
  • Lymphoma, Non-Hodgkin

Investigators on the most trials with Dr. Spence

Recent clinical trials with Dr. Spence

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Allyson Campbell Spence received $437 in industry payments from 2017 to 2024

CMS Open Payments shows 8 general payments to Dr. Spence from 6 drug and device companies from 2017 to 2024. Grants make up the largest share, 80% of the total. AstraZeneca Pharmaceuticals LP paid the most, $350.

General payments to Dr. Spence by program year, 2017 to 2024

General payments to Dr. Spence by kind, 2017 to 2024

$437in total
  • Grants$35080%
  • Education$5011%
  • Food and beverage$379%

Companies that paid Dr. Spence the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Spence

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Allyson Campbell Spence graduated from Vanderbilt University School Of Medicine

Dr. Spence graduated from Vanderbilt University School Of Medicine in 2000.

  1. Medical schoolVanderbilt University School Of Medicine
  2. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Allyson Campbell Spence accepts plans from 6 insurance carriers

Dr. Spence is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Spence accepts, by number of carriers

  1. Medicare5
  2. PPO4
  3. EPO1
  4. HMO1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Allyson Campbell Spence's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Allyson Campbell Spence

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Allyson Campbell Spence's NPI number?

Dr. Allyson Campbell Spence's NPI number is 1023301074. It was assigned on May 24, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Allyson Campbell Spence?

Dr. Allyson Campbell Spence is a medical oncologist in Stanford, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Allyson Campbell Spence practice?

Dr. Spence practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Spence's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Spence to 1 hospital.

What is Dr. Allyson Campbell Spence's office phone number?

The practice phone on file for Dr. Spence is (650) 723-4000.

What is Dr. Allyson Campbell Spence's medical license number?

Dr. Spence's California license number on file is A78809.

Which hospitals is Dr. Allyson Campbell Spence affiliated with?

Dr. Spence practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Spence to 1 more hospital.

What medical group is Dr. Allyson Campbell Spence part of?

Dr. Spence is linked to Stanford Health Care.

Does Dr. Allyson Campbell Spence accept Medicare?

Yes. CMS data shows Dr. Spence billed Medicare for 101 services in 2024, and Dr. Spence accepts Medicare assignment.

Does Dr. Allyson Campbell Spence offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Spence as offering telehealth services.

What is Dr. Allyson Campbell Spence's MIPS score?

Dr. Spence's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Allyson Campbell Spence see?

CMS counts 50 Medicare patients who saw Dr. Spence in 2024, with an average age of 73.

Is Dr. Allyson Campbell Spence board certified?

Yes. Dr. Spence is board certified in medical oncology by the American Board of Internal Medicine.

What services does Dr. Allyson Campbell Spence bill to Medicare?

In 2024, Dr. Spence's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).

Where did Dr. Allyson Campbell Spence go to medical school?

Dr. Spence graduated from Vanderbilt University School Of Medicine in 2000.

What drugs does Dr. Allyson Campbell Spence prescribe most?

In 2024 Medicare Part D data, Dr. Spence's most prescribed drugs by claims were Anastrozole.

Has Dr. Allyson Campbell Spence received payments from drug or device companies?

CMS Open Payments shows $437 in general payments to Dr. Spence from 6 companies from 2017 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Allyson Campbell Spence been practicing?

Dr. Spence graduated from medical school in 2000, 26 years ago.

Does Dr. Allyson Campbell Spence do research?

Dmand AI links 9 publications to Dr. Spence, published from 2015 to 2023. Dr. Spence has worked on 2 clinical trials.

Who does Dr. Allyson Campbell Spence publish with?

Dr. Spence's most frequent co-authors are Thomas Floyd Osborne, MD (2 shared papers), Susan Marie Swetter, MD (2 shared papers) and Mark S. Anderson, MD (1 shared paper).

What insurance does Dr. Allyson Campbell Spence accept?

Dr. Spence is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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