Dr. Rebecca Dawn Walker, MD

  • Stanford, CA
  • Emergency medicine physician
NPI1740458652PAC ID2163590282
Medicare services, 2024
201
Medicare patients, 2024
228
Part D claims, 2024
30
Publications
10
MIPS score, 2024
89
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

See all 5 affiliations

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Dr. Rebecca Dawn Walker is an emergency medicine physician in Stanford, California

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

Dr. Walker's NPI, 1740458652, was assigned on February 13, 2008. Dr. Walker graduated from University of North Carolina School of Medicine in 2004. Dr. Walker's California license number on file is A97318.

NPI and contact details
Medicare PAC ID
2163590282
NPI enumeration date
February 13, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 723-4000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
48
Medical school graduation
2004

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

Dr. Rebecca Dawn Walker practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Walker'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. Rebecca Dawn Walker is affiliated with 2 sites of care and 3 medical groups

Dr. Walker's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Walker to 1 more hospital and 2 medical groups, each named with a free account. Dr. Walker's employer is on file too: a hospital.

See all 5 affiliations for Dr. Walker

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

Dmand AI tracks the EHR system at Dr. Rebecca Dawn Walker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker 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 site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Rebecca Dawn Walker is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Walker is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Walker's licenses on file in 2 states: California and Hawaii.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A97318 · 2006 to 2025 · taxonomy 207P00000X
  • Hawaii license2009 to 2026

Emergency medicine physicians near Dr. Walker

Counts of emergency medicine physicians 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. Rebecca Dawn Walker billed Medicare for 201 services in 2024

CMS data shows 201 Medicare services from Dr. Walker across 4 procedure codes in 2024, for 228 Medicare patients. Medicare paid $28,852 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024201
Medicare patients228
Paid by Medicare$28,852
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 2182024: 2018%

Dr. Walker compared with the California median for emergency medicine physicians, 2024

  • Dr. Walker
  • California median
Medicare services
201vs 26524% below
Medicare patients
228vs 2436% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Walker'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. Walker

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

Dr. Rebecca Dawn Walker treated 228 Medicare patients in 2024, average age 76

CMS counts 228 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.23, 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. Walker's median patient age at 49, with 55% women.

Medicare patients, 2024228
Average age76
Average risk score2.23
Also on Medicaid34%

Dr. Walker's Medicare patients by age, 2024

Dr. Walker's Medicare patients by sex, 2024

  • Women13660%
  • Men9240%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes41%
  4. Arthritis39%
  5. Chronic kidney disease38%
  6. Atrial fibrillation34%
  7. Ischemic heart disease32%
  8. Heart failure30%

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

Dr. Walker's patients across all payers

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

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women55%
  • Men44%

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

Dr. Rebecca Dawn Walker wrote 30 Medicare Part D claims in 2024

In 2024, Dr. Walker wrote 30 Medicare Part D claims for 24 patients. 93% of them were for generic drugs.

Part D claims, 202430
Part D patients24

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

  • Generic28 claims93%
  • Brand-name and other2 claims7%

Drug classes CMS tracks in Dr. Walker's Part D claims, 2024

  • Antibiotics50%15 of 30 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Rebecca Dawn Walker 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. Walker for performance year 2024, reported as part of a group. Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Walker'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. Rebecca Dawn Walker has 10 publications on record

Dmand AI links 10 papers to Dr. Walker, published from 2017 to 2023. 2020 was the busiest year, with 4. The most frequent topics are Ambulances and Emergency Medical Services. Dr. Walker has published most often in Dela J Public Health. Dr. Walker's most frequent co-authors are Matthew Charles Strehlow, MD, Michelle Toni Feltes, MD and Karyl T. Rattay, MD.

Papers10
Years published2017 to 2023

Dr. Walker's papers by year, 2017 to 2023

Topics Dr. Walker writes about most

  • Ambulances
  • Emergency Medical Services

Dr. Walker's most frequent co-authors

Recent publications by Dr. Walker

See all 10 publications and co-authors

See who Dr. Walker researches with

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

How network discovery works

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

Dr. Rebecca Dawn Walker received $172 in industry payments from 2024 to 2025

CMS Open Payments shows 4 general payments to Dr. Walker from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $106.

General payments to Dr. Walker by program year, 2024 to 2025

Companies that paid Dr. Walker the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Walker

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

Dr. Rebecca Dawn Walker graduated from University of North Carolina School of Medicine

Dr. Walker graduated from University of North Carolina School of Medicine in 2004.

  1. Medical schoolUniversity of North Carolina School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Rebecca Dawn Walker accepts plans from 8 insurance carriers

Dr. Walker is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • DentaQuest
  • NV State Medicaid

Plan types Dr. Walker accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO2
  4. POS2
  5. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Rebecca Dawn Walker'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 (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
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. Rebecca Dawn Walker

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. Rebecca Dawn Walker's NPI number?

Dr. Rebecca Dawn Walker's NPI number is 1740458652. It was assigned on February 13, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Rebecca Dawn Walker?

Dr. Rebecca Dawn Walker is an emergency medicine physician in Stanford, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Rebecca Dawn Walker practice?

Dr. Walker practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Walker's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Walker to 1 hospital and 2 medical groups.

What is Dr. Rebecca Dawn Walker's office phone number?

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

What is Dr. Rebecca Dawn Walker's medical license number?

Dr. Walker's California license number on file is A97318, one of the licenses on file in 2 states.

Which states has Dr. Rebecca Dawn Walker been licensed in?

Dmand AI has state licenses on file for Dr. Walker in California (2006 to 2025) and Hawaii (2009 to 2026).

Which hospitals is Dr. Rebecca Dawn Walker affiliated with?

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

What medical group is Dr. Rebecca Dawn Walker part of?

Dr. Walker is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Walker to 2 more medical groups.

Does Dr. Rebecca Dawn Walker accept Medicare?

Yes. CMS data shows Dr. Walker billed Medicare for 201 services in 2024, and Dr. Walker accepts Medicare assignment.

What is Dr. Rebecca Dawn Walker's MIPS score?

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

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Rebecca Dawn Walker see?

CMS counts 228 Medicare patients who saw Dr. Walker in 2024, with an average age of 76.

Is Dr. Rebecca Dawn Walker board certified?

Yes. Dr. Walker is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Rebecca Dawn Walker bill to Medicare?

In 2024, Dr. Walker's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).

Where did Dr. Rebecca Dawn Walker go to medical school?

Dr. Walker graduated from University of North Carolina School of Medicine in 2004.

Has Dr. Rebecca Dawn Walker received payments from drug or device companies?

CMS Open Payments shows $172 in general payments to Dr. Walker from 4 companies from 2024 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Rebecca Dawn Walker been practicing?

Dr. Walker graduated from medical school in 2004, 22 years ago.

Does Dr. Rebecca Dawn Walker do research?

Dmand AI links 10 publications to Dr. Walker, published from 2017 to 2023.

Who does Dr. Rebecca Dawn Walker publish with?

Dr. Walker's most frequent co-authors are Matthew Charles Strehlow, MD (3 shared papers), Michelle Toni Feltes, MD (2 shared papers) and Karyl T. Rattay, MD (2 shared papers).

What insurance does Dr. Rebecca Dawn Walker accept?

Dr. Walker is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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