Dr. Robert William Shafer, MD
- Medicare patients, 2024
- 15
- Publications
- 80
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Industry payments
- $26,817
- 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
Primary practice
Find Dr. Shafer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert William Shafer is an infectious disease specialist in Stanford, California
Dr. Shafer practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Shafer's NPI, 1659494904, was assigned on April 9, 2007. Dr. Shafer graduated from New York University School of Medicine in 1983. Dr. Shafer holds California license G73311.
- NPI
- 1659494904NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476956228
- NPI enumeration date
- April 9, 2007
- 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
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert William Shafer practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Shafer'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.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Robert William Shafer is affiliated with 2 sites of care and 1 medical group
Dr. Shafer'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. Shafer to 1 more hospital, named with a free account. Dr. Shafer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert William Shafer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shafer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Stanford University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert William Shafer is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Shafer's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Shafer is board certified in infectious disease by the American Board of Internal Medicine. Dr. Shafer is licensed in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Infectious disease specialists near Dr. Shafer
Counts of infectious disease specialists 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. Robert William Shafer treated 15 Medicare patients in 2024, average age 71
CMS counts 15 Medicare patients who saw Dr. Shafer in 2024. The largest group is 85 and over, with 0 patients. 73% of them have high cholesterol. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Shafer's median patient age at 49, with 65% women.
Dr. Shafer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Shafer's Medicare patients, 2024
- High cholesterol73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shafer'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
- Women65%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert William Shafer 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. Shafer for performance year 2024, reported as part of a group. Dr. Shafer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Shafer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Shafer'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
Dr. Robert William Shafer has 80 publications on record
Dmand AI links 80 papers to Dr. Shafer, published from 2006 to 2025. 2022 was the busiest year, with 11. The most frequent topics are HIV Infections, Drug Resistance, Viral and HIV-1. Dr. Shafer has published most often in Viruses. Dr. Shafer's most frequent co-authors are Benjamin Alan Pinsky, MD, PhD, Douglas Daniel Richman, MD and Hector F. Bonilla, MD.
Dr. Shafer's papers by year, 2015 to 2025
Topics Dr. Shafer writes about most
- HIV Infections
- Drug Resistance, Viral
- HIV-1
- Anti-HIV Agents
- Genotype
- Reverse Transcriptase Inhibitors
- SARS-CoV-2
- COVID-19
Dr. Shafer's most frequent co-authors
- Benjamin Alan Pinsky, MD, PhD8 shared papers
- Douglas Daniel Richman, MD8 shared papers
- Hector F. Bonilla, MD5 shared papers
Recent publications by Dr. Shafer
See who Dr. Shafer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shafer works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert William Shafer received $26,817 in industry payments from 2017 to 2023
CMS Open Payments shows 18 general payments to Dr. Shafer from 4 drug and device companies from 2017 to 2023. Consulting fees make up the largest share, 97% of the total. Abbott Laboratories paid the most, $14,272.
General payments to Dr. Shafer by program year, 2017 to 2023
General payments to Dr. Shafer by kind, 2017 to 2023
- Consulting fees$25,94597%
- Travel and lodging$7833%
- Food and beverage$890%
Companies that paid Dr. Shafer the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert William Shafer graduated from New York University School of Medicine
Dr. Shafer graduated from New York University School of Medicine in 1983.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Robert William Shafer accepts plans from 6 insurance carriers
Dr. Shafer is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. Shafer accepts, by number of carriers
- PPO5
- Medicare4
- POS3
- EPO2
- HMO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert William Shafer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert William Shafer
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. Robert William Shafer's NPI number?
Dr. Robert William Shafer's NPI number is 1659494904. It was assigned on April 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert William Shafer?
Dr. Robert William Shafer is an infectious disease specialist in Stanford, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Robert William Shafer practice?
Dr. Shafer practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Shafer's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Shafer to 1 hospital.
What is Dr. Robert William Shafer's office phone number?
The practice phone on file for Dr. Shafer is (650) 723-4000.
What is Dr. Robert William Shafer's medical license number?
Dr. Shafer holds California license G73311.
Which hospitals is Dr. Robert William Shafer affiliated with?
Dr. Shafer practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Shafer to 1 more hospital.
What medical group is Dr. Robert William Shafer part of?
Dr. Shafer is linked to Stanford Health Care.
Does Dr. Robert William Shafer accept Medicare?
Yes. CMS lists Dr. Shafer as accepting Medicare assignment.
Does Dr. Robert William Shafer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Shafer as offering telehealth services.
What is Dr. Robert William Shafer's MIPS score?
Dr. Shafer's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Robert William Shafer see?
CMS counts 15 Medicare patients who saw Dr. Shafer in 2024, with an average age of 71.
Is Dr. Robert William Shafer board certified?
Yes. Dr. Shafer is board certified in infectious disease by the American Board of Internal Medicine.
Where did Dr. Robert William Shafer go to medical school?
Dr. Shafer graduated from New York University School of Medicine in 1983.
Has Dr. Robert William Shafer received payments from drug or device companies?
CMS Open Payments shows $26,817 in general payments to Dr. Shafer from 4 companies from 2017 to 2023. The largest total came from Abbott Laboratories.
How long has Dr. Robert William Shafer been practicing?
Dr. Shafer graduated from medical school in 1983, 43 years ago.
Does Dr. Robert William Shafer do research?
Dmand AI links 80 publications to Dr. Shafer, published from 2006 to 2025.
Who does Dr. Robert William Shafer publish with?
Dr. Shafer's most frequent co-authors are Benjamin Alan Pinsky, MD, PhD (8 shared papers), Douglas Daniel Richman, MD (8 shared papers) and Hector F. Bonilla, MD (5 shared papers).
What insurance does Dr. Robert William Shafer accept?
Dr. Shafer is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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