Dr. Robert Thomas Santos, MD

  • Pleasanton, CA
  • Internist
NPI1356340384PAC ID3971666546
Medicare services, 2024
307
Medicare patients, 2024
266
Part D claims, 2024
250
Hospital affiliations
2
Industry payments
$475
Practice address
5568 Gibraltar Dr, Pleasanton, CA 94588
Practice phone
Call (510) 974-8297
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University Healthcare Alliance

Pleasanton, California

See all 5 affiliations

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Dr. Robert Thomas Santos is an internist in Pleasanton, California

Dr. Santos practices at University Healthcare Alliance in Pleasanton, California.

Dr. Santos' NPI, 1356340384, was assigned on July 20, 2005. Dr. Santos graduated from George Washington University School of Medicine and Health Sciences in 1978. Dr. Santos holds California license G40697.

NPI and contact details
Medicare PAC ID
3971666546
NPI enumeration date
July 20, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(510) 974-8297
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
74
Medical school graduation
1978

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

Dr. Robert Thomas Santos practices at University Healthcare Alliance in Pleasanton, California

Dr. Santos' primary practice is University Healthcare Alliance, at 5568 Gibraltar Dr, Pleasanton, CA 94588 in Alameda County. The practice phone is (510) 974-8297.

  • University Healthcare Alliance
    5568 Gibraltar Dr, Pleasanton, CA 94588 · Alameda CountyPhone(510) 974-8297

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Robert Thomas Santos is affiliated with 4 sites of care and 1 medical group

Dr. Santos' primary practice is University Healthcare Alliance in Pleasanton, California. Dr. Santos is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Medicine Partners. Dmand AI also links Dr. Santos to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Santos

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Robert Thomas Santos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Santos practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University Healthcare AllianceAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert Thomas Santos is one of 16,751 internists in California

Internal medicine is Dr. Santos' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Santos is board certified in internal medicine by the American Board of Internal Medicine. Dr. Santos is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G40697 · 1979 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, anxiety, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Santos treats.

Internists near Dr. Santos

Counts of internists 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 Thomas Santos billed Medicare for 307 services in 2024

CMS data shows 307 Medicare services from Dr. Santos across 4 procedure codes in 2024, for 266 Medicare patients. Medicare paid $35,482 for them. Every service was in an office.

Medicare services, 2024307
Medicare patients266
Paid by Medicare$35,482
Procedure codes4

Dr. Santos' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4562024: 29535%
Other services
2023: 462024: 1274%
Tests and treatments
2023: 282024: 0100%

Dr. Santos compared with the California median for internists, 2024

  • Dr. Santos
  • California median
Medicare services
307vs 36115% below
Medicare patients
266vs 15176% above
Part D claims
74vs 42182% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Santos' 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. Santos

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

Dr. Robert Thomas Santos treated 266 Medicare patients in 2024, average age 76

CMS counts 266 Medicare patients who saw Dr. Santos in 2024. The largest group is 75 to 84, with 109 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Santos' median patient age at 62, with 53% women.

Medicare patients, 2024266
Average age76
Average risk score1.24
Also on Medicaid11%

Dr. Santos' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Santos' Medicare patients by sex, 2024

  • Women14856%
  • Men11844%

Chronic conditions among Dr. Santos' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis44%
  4. Chronic kidney disease35%
  5. Diabetes29%
  6. Mood disorders29%
  7. Depression26%
  8. Ischemic heart disease26%

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

Dr. Santos' patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women53%
  • Men43%

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

Dr. Robert Thomas Santos wrote 250 Medicare Part D claims in 2024

In 2024, Dr. Santos wrote 250 Medicare Part D claims for 136 patients. 86% of them were for generic drugs. CMS names the drug for 74 of them, across 5 drugs with 11 or more claims each, at $832 in total drug cost. In 2023, CMS named 94 claims across 6 drugs.

Part D claims, 2024250
Drugs named by CMS5
Total drug cost$832
Part D patients136

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

  • Generic214 claims86%
  • Brand-name and other36 claims14%

Dr. Santos' 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.

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

  • Antibiotics19%48 of 250 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 942024: 7421%

Drugs named by CMS: 5 in 2024, 6 in 2023.

See all prescribing by Dr. Santos

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. Robert Thomas Santos offers telehealth to Medicare patients

Dr. Santos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Santos as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Robert Thomas Santos received $475 in industry payments from 2016 to 2022

CMS Open Payments shows 30 general payments to Dr. Santos from 10 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $162.

General payments to Dr. Santos by program year, 2016 to 2022

General payments to Dr. Santos by kind, 2016 to 2022

$475in total
  • Food and beverage$46598%
  • Education$102%

Companies that paid Dr. Santos the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Santos

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

Dr. Robert Thomas Santos graduated from George Washington University School of Medicine and Health Sciences

Dr. Santos graduated from George Washington University School of Medicine and Health Sciences in 1978.

  1. Medical schoolGeorge Washington University School of Medicine and Health Sciences
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert Thomas Santos accepts plans from 5 insurance carriers

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

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare

Plan types Dr. Santos accepts, by number of carriers

  1. Medicare5
  2. PPO4
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert Thomas Santos'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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. Robert Thomas Santos

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 Thomas Santos' NPI number?

Dr. Robert Thomas Santos' NPI number is 1356340384. It was assigned on July 20, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert Thomas Santos?

Dr. Robert Thomas Santos is an internist in Pleasanton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Robert Thomas Santos practice?

Dr. Santos practices at 5568 Gibraltar Dr, Pleasanton, CA 94588. Dr. Santos' primary practice is University Healthcare Alliance in Pleasanton, California. Dmand AI also links Dr. Santos to 1 hospital and 1 group practice or clinic.

What is Dr. Robert Thomas Santos' office phone number?

The practice phone on file for Dr. Santos is (510) 974-8297.

What is Dr. Robert Thomas Santos' medical license number?

Dr. Santos holds California license G40697.

Which hospitals is Dr. Robert Thomas Santos affiliated with?

Dr. Santos is affiliated with Stanford Health Care Tri-Valley. Dmand AI links Dr. Santos to 1 more hospital.

What medical group is Dr. Robert Thomas Santos part of?

Dr. Santos is linked to Stanford Medicine Partners.

Does Dr. Robert Thomas Santos accept Medicare?

Yes. CMS data shows Dr. Santos billed Medicare for 307 services in 2024, and Dr. Santos accepts Medicare assignment.

Does Dr. Robert Thomas Santos offer telehealth?

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

How many Medicare patients does Dr. Robert Thomas Santos see?

CMS counts 266 Medicare patients who saw Dr. Santos in 2024, with an average age of 76.

Show 7 more questionsShow fewer questions

Is Dr. Robert Thomas Santos board certified?

Yes. Dr. Santos is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Robert Thomas Santos bill to Medicare?

In 2024, Dr. Santos' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).

Where did Dr. Robert Thomas Santos go to medical school?

Dr. Santos graduated from George Washington University School of Medicine and Health Sciences in 1978.

What drugs does Dr. Robert Thomas Santos prescribe most?

In 2024 Medicare Part D data, Dr. Santos' most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Albuterol Sulfate Hfa and Atorvastatin Calcium.

Has Dr. Robert Thomas Santos received payments from drug or device companies?

CMS Open Payments shows $475 in general payments to Dr. Santos from 10 companies from 2016 to 2022. The largest total came from Abbvie Inc.

How long has Dr. Robert Thomas Santos been practicing?

Dr. Santos graduated from medical school in 1978, 48 years ago.

What insurance does Dr. Robert Thomas Santos accept?

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

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