Dr. Robert A. Osterhoff, MD

  • Burlingame, CA
  • Gastroenterologist
NPI1801028907PAC ID6709025232
Medicare services, 2024
848
Medicare patients, 2024
476
Part D claims, 2024
944
Publications
1
Hospital affiliations
1
Practice address
1501 Trousdale Drive, Burlingame, CA 94010
Practice phone
Call (650) 696-5400
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Mills-Peninsula Medical Center

Hospital · Burlingame, California

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Dr. Robert A. Osterhoff is a gastroenterologist in Burlingame, California

Dr. Osterhoff practices at Mills-Peninsula Medical Center in Burlingame, California, part of Sutter Health.

Dr. Osterhoff's NPI, 1801028907, was assigned on August 22, 2009. Dr. Osterhoff graduated from Tufts University School Of Medicine in 2007. Dr. Osterhoff holds California license A106502.

NPI and contact details
Medicare PAC ID
6709025232
NPI enumeration date
August 22, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 696-5400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2007

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

Dr. Robert A. Osterhoff practices at Mills-Peninsula Medical Center in Burlingame, California

Dr. Osterhoff's primary practice is Mills-Peninsula Medical Center, at 1501 Trousdale Drive, Burlingame, CA 94010 in San Mateo County. The practice phone is (650) 696-5400.

Source: Dmand AI Affiliation Data

Dr. Robert A. Osterhoff is affiliated with 1 site of care and 1 medical group

Dr. Osterhoff's primary practice is Mills-Peninsula Medical Center in Burlingame, California, part of Sutter Health. The medical group on file is Palo Alto Foundation Medical Group.

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

Dmand AI tracks the EHR system at Dr. Robert A. Osterhoff's practice

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

EHR by site
SiteEHR vendor and product
Mills-Peninsula Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Robert A. Osterhoff is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Osterhoff's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Osterhoff is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Osterhoff is licensed in California.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A106502 · 2007 to 2026 · taxonomy 207RG0100X

Clinical focus

Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, gastroenteritis, gastrointestinal bleeding, hemorrhoids and irritable bowel syndrome (IBS) among the conditions Dr. Osterhoff treats.

Gastroenterologists near Dr. Osterhoff

Counts of gastroenterologists 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 A. Osterhoff billed Medicare for 848 services in 2024

CMS data shows 848 Medicare services from Dr. Osterhoff across 12 procedure codes in 2024, for 476 Medicare patients. Medicare paid $113,294 for them.

Medicare services, 2024848
Medicare patients476
Paid by Medicare$113,294
Procedure codes12

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

  • 2023
  • 2024
Office and hospital visits
2023: 3112024: 52769%
Surgery
2023: 1402024: 289106%
Other services
2023: 362024: 3211%

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

  • In an office32538%
  • In a facility52362%

Dr. Osterhoff compared with the California median for gastroenterologists, 2024

  • Dr. Osterhoff
  • California median
Medicare services
848vs 58645% above
Medicare patients
476vs 30258% above
Part D claims
774vs 3802.0 times

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Osterhoff'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. Osterhoff

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

Dr. Robert A. Osterhoff treated 476 Medicare patients in 2024, average age 76

CMS counts 476 Medicare patients who saw Dr. Osterhoff in 2024. The largest group is 65 to 74, with 217 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Osterhoff's median patient age at 61, with 42% women.

Medicare patients, 2024476
Average age76
Average risk score1.39
Also on Medicaid8%

Dr. Osterhoff's Medicare patients by age, 2024

Dr. Osterhoff's Medicare patients by sex, 2024

  • Women24451%
  • Men23249%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis41%
  4. Diabetes28%
  5. Ischemic heart disease27%
  6. Chronic kidney disease26%
  7. Anxiety24%
  8. Atrial fibrillation22%

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

Dr. Osterhoff's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women42%
  • Men55%

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

Dr. Robert A. Osterhoff wrote 944 Medicare Part D claims in 2024

In 2024, Dr. Osterhoff wrote 944 Medicare Part D claims for 445 patients. 78% of them were for generic drugs. CMS names the drug for 774 of them, across 17 drugs with 11 or more claims each, at $248,998 in total drug cost. In 2023, CMS named 587 claims across 17 drugs.

Part D claims, 2024944
Drugs named by CMS17
Total drug cost$248,998
Part D patients445

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

  • Generic737 claims78%
  • Brand-name207 claims22%

Dr. Osterhoff'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.

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

  • Antibiotics1%14 of 944 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: 5872024: 77432%

Drugs named by CMS: 17 in 2024, 17 in 2023.

See all prescribing by Dr. Osterhoff

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 A. Osterhoff ranks in the 88th percentile for colonoscopy in Medicare

Dr. Osterhoff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Osterhoff as offering telehealth. CMS counts 144 procedures of colonoscopy by Dr. Osterhoff, more than 88% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Osterhoff ranks in Medicare procedure volume

Colonoscopy
88th percentile144 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
73rd percentile83 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Robert A. Osterhoff has 1 publication on record

Dmand AI links 1 paper to Dr. Osterhoff. Dr. Osterhoff's most frequent co-authors are Spencer C. Behr, MD and Sana Khan, MD.

Papers1

Dr. Osterhoff's most frequent co-authors

Recent publications by Dr. Osterhoff

See all 1 publications and co-authors

See who Dr. Osterhoff researches with

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

How network discovery works

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

Dr. Robert A. Osterhoff received $5,190 in industry payments from 2016 to 2025

CMS Open Payments shows 211 general payments to Dr. Osterhoff from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $2,459.

General payments to Dr. Osterhoff by program year, 2016 to 2025

General payments to Dr. Osterhoff by kind, 2016 to 2025

$5.2Kin total
  • Food and beverage$5,13199%
  • Education$591%

Companies that paid Dr. Osterhoff the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Osterhoff

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

Dr. Robert A. Osterhoff graduated from Tufts University School Of Medicine

Dr. Osterhoff graduated from Tufts University School Of Medicine in 2007. Dr. Osterhoff is a member of AOA, ACG, AGA and ASGE.

  1. Medical schoolTufts University School Of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert A. Osterhoff accepts plans from 9 insurance carriers

Dr. Osterhoff is in network with 9 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • EMI Health
  • +1 more carriersWith a free account

Plan types Dr. Osterhoff accepts, by number of carriers

  1. PPO6
  2. HMO5
  3. POS4
  4. EPO3
  5. Medicare3

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert A. Osterhoff'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)Doctors and Clinicians Utilization Data (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. Robert A. Osterhoff

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 A. Osterhoff's NPI number?

Dr. Robert A. Osterhoff's NPI number is 1801028907. It was assigned on August 22, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert A. Osterhoff?

Dr. Robert A. Osterhoff is a gastroenterologist in Burlingame, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Robert A. Osterhoff practice?

Dr. Osterhoff practices at 1501 Trousdale Drive, Burlingame, CA 94010. Dr. Osterhoff's primary practice is Mills-Peninsula Medical Center in Burlingame, California, part of Sutter Health.

What is Dr. Robert A. Osterhoff's office phone number?

The practice phone on file for Dr. Osterhoff is (650) 696-5400.

What is Dr. Robert A. Osterhoff's medical license number?

Dr. Osterhoff holds California license A106502.

Which hospitals is Dr. Robert A. Osterhoff affiliated with?

Dr. Osterhoff practices at Mills-Peninsula Medical Center in Burlingame, California.

What medical group is Dr. Robert A. Osterhoff part of?

Dr. Osterhoff is linked to Palo Alto Foundation Medical Group.

Does Dr. Robert A. Osterhoff accept Medicare?

Yes. CMS data shows Dr. Osterhoff billed Medicare for 848 services in 2024, and Dr. Osterhoff accepts Medicare assignment.

Does Dr. Robert A. Osterhoff offer telehealth?

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

How many Medicare patients does Dr. Robert A. Osterhoff see?

CMS counts 476 Medicare patients who saw Dr. Osterhoff in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Robert A. Osterhoff board certified?

Yes. Dr. Osterhoff is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Robert A. Osterhoff bill to Medicare?

In 2024, Dr. Osterhoff's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45385) and hospital inpatient care (99232).

Where did Dr. Robert A. Osterhoff go to medical school?

Dr. Osterhoff graduated from Tufts University School Of Medicine in 2007.

What drugs does Dr. Robert A. Osterhoff prescribe most?

In 2024 Medicare Part D data, Dr. Osterhoff's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Omeprazole and Pantoprazole Sodium.

Has Dr. Robert A. Osterhoff received payments from drug or device companies?

CMS Open Payments shows $5,190 in general payments to Dr. Osterhoff from 23 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Robert A. Osterhoff been practicing?

Dr. Osterhoff graduated from medical school in 2007, 19 years ago.

Does Dr. Robert A. Osterhoff do research?

Dmand AI links 1 publication to Dr. Osterhoff.

Who does Dr. Robert A. Osterhoff publish with?

Dr. Osterhoff's most frequent co-authors are Spencer C. Behr, MD (1 shared paper) and Sana Khan, MD (1 shared paper).

What insurance does Dr. Robert A. Osterhoff accept?

Dr. Osterhoff is in network with 9 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.

Selling to gastroenterology practices?

See gastroenterologists in California by site of care and group

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