Dr. Jennifer Roost, MD

  • Menlo Park, CA
  • Gastroenterologist
NPI1790796449PAC ID1951404607
Medicare services, 2024
405
Medicare patients, 2024
210
Part D claims, 2024
259
Hospital affiliations
1
Industry payments
$105
Practice address
321 Middlefield Rd, Menlo Park, CA 94025
Practice phone
Call (650) 498-6500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Menlo Medical Clinic

Menlo Park, California

See all 5 affiliations

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Dr. Jennifer Roost is a gastroenterologist in Menlo Park, California

Dr. Roost practices at Menlo Medical Clinic in Menlo Park, California.

Dr. Roost's NPI, 1790796449, was assigned on August 10, 2006. Dr. Roost graduated from UCSF School of Medicine in 2000. Dr. Roost holds California license A75552.

NPI and contact details
Medicare PAC ID
1951404607
NPI enumeration date
August 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 498-6500
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
52
Medical school graduation
2000

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

Dr. Jennifer Roost practices at Menlo Medical Clinic in Menlo Park, California

Dr. Roost's primary practice is Menlo Medical Clinic, at 321 Middlefield Rd, Menlo Park, CA 94025 in San Mateo County. The practice phone is (650) 498-6500.

  • Menlo Medical Clinic
    321 Middlefield Rd, Menlo Park, CA 94025 · San Mateo CountyPhone(650) 498-6500

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

Dr. Jennifer Roost is affiliated with 2 sites of care and 3 medical groups

Dr. Roost's primary practice is Menlo Medical Clinic in Menlo Park, California. Dr. Roost is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Stanford Medicine Partners. Dmand AI also links Dr. Roost to 2 more medical groups, each named with a free account.

See all 5 affiliations for Dr. Roost

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

Dmand AI tracks the EHR system at Dr. Jennifer Roost's practice

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

EHR by site
SiteEHR vendor and product
Menlo Medical ClinicAvailable 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. Jennifer Roost is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Roost's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Roost is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Roost's licenses on file in 2 states: California and Hawaii.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A75552 · 2001 to 2027 · taxonomy 207RG0100X
  • Hawaii license2002

Clinical focus

Dmand AI lists acid reflux, chronic indigestion, cirrhosis of the liver, colonoscopy, gastroenteritis, gastrointestinal bleeding, intestinal or bowel obstruction and irritable bowel syndrome (IBS) among the conditions Dr. Roost treats.

Gastroenterologists near Dr. Roost

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

1,977gastroenterologists in California
3gastroenterologists in Menlo Park

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

Dr. Jennifer Roost billed Medicare for 405 services in 2024

CMS data shows 405 Medicare services from Dr. Roost across 10 procedure codes in 2024, for 210 Medicare patients. Medicare paid $42,990 for them.

Medicare services, 2024405
Medicare patients210
Paid by Medicare$42,990
Procedure codes10

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

  • 2023
  • 2024
Office and hospital visits
2023: 1122024: 14933%
Surgery
2023: 2002024: 13931%
Other services
2023: 1562024: 11725%

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

  • In an office25262%
  • In a facility15338%

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

  • Dr. Roost
  • California median
Medicare services
405vs 58631% below
Medicare patients
210vs 30230% below
Part D claims
134vs 38065% below

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

Dr. Roost'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. Roost

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

Dr. Jennifer Roost treated 210 Medicare patients in 2024, average age 73

CMS counts 210 Medicare patients who saw Dr. Roost in 2024. The largest group is 65 to 74, with 112 patients. 69% of them have high cholesterol, and 51% have high blood pressure. 9% are also on Medicaid. Their average risk score is 0.86, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Roost's median patient age at 53, with 64% women.

Medicare patients, 2024210
Average age73
Average risk score0.86
Also on Medicaid9%

Dr. Roost's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Roost's Medicare patients by sex, 2024

  • Women14870%
  • Men6230%

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

  1. High cholesterol69%
  2. High blood pressure51%
  3. Arthritis38%
  4. Osteoporosis33%
  5. Anxiety21%
  6. Mood disorders21%
  7. Ischemic heart disease19%
  8. Diabetes18%

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

Dr. Roost's patients across all payers

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

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women64%
  • Men35%

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

Dr. Jennifer Roost wrote 259 Medicare Part D claims in 2024

In 2024, Dr. Roost wrote 259 Medicare Part D claims for 143 patients. 74% of them were for generic drugs. CMS names the drug for 134 of them, across 4 drugs with 11 or more claims each, at $7,691 in total drug cost. In 2023, CMS named 268 claims across 9 drugs.

Part D claims, 2024259
Drugs named by CMS4
Total drug cost$7,691
Part D patients143

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

  • Generic191 claims74%
  • Brand-name68 claims26%

Dr. Roost'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: 2682024: 13450%

Drugs named by CMS: 4 in 2024, 9 in 2023.

See all prescribing by Dr. Roost

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. Jennifer Roost ranks in the 64th percentile for colonoscopy in Medicare

Dr. Roost accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Roost as offering telehealth. CMS counts 51 procedures of colonoscopy by Dr. Roost, more than 64% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Roost ranks in Medicare procedure volume

Colonoscopy
64th percentile51 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
42nd percentile11 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. Jennifer Roost received $105 in industry payments from 2018 to 2025

CMS Open Payments shows 5 general payments to Dr. Roost from 4 drug and device companies from 2018 to 2025. Education make up the largest share, 57% of the total. Pfizer Inc. paid the most, $31.

General payments to Dr. Roost by program year, 2018 to 2025

General payments to Dr. Roost by kind, 2018 to 2025

$105in total
  • Education$6057%
  • Food and beverage$4543%

Companies that paid Dr. Roost the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Roost

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

Dr. Jennifer Roost has 1 award and honors on record

Dmand AI lists 1 award for Dr. Roost, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Roost

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Jennifer Roost graduated from UCSF School of Medicine

Dr. Roost graduated from UCSF School of Medicine in 2000.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in gastroenterologyNational Board of Physicians and Surgeons
  4. Board certified in internal medicineNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. Jennifer Roost accepts plans from 6 insurance carriers

Dr. Roost is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • Elevance

Plan types Dr. Roost accepts, by number of carriers

  1. HMO4
  2. POS3
  3. EPO2
  4. Medicare2
  5. PPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Jennifer Roost'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 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Jennifer Roost

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. Jennifer Roost's NPI number?

Dr. Jennifer Roost's NPI number is 1790796449. It was assigned on August 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jennifer Roost?

Dr. Jennifer Roost is a gastroenterologist in Menlo Park, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Jennifer Roost practice?

Dr. Roost practices at 321 Middlefield Rd, Menlo Park, CA 94025. Dr. Roost's primary practice is Menlo Medical Clinic in Menlo Park, California. Dmand AI also links Dr. Roost to 2 medical groups.

What is Dr. Jennifer Roost's office phone number?

The practice phone on file for Dr. Roost is (650) 498-6500.

What is Dr. Jennifer Roost's medical license number?

Dr. Roost holds California license A75552, one of the licenses on file in 2 states.

Which states has Dr. Jennifer Roost been licensed in?

Dmand AI has state licenses on file for Dr. Roost in California (2001 to 2027) and Hawaii (2002).

Which hospitals is Dr. Jennifer Roost affiliated with?

Dr. Roost is affiliated with Stanford Hospital at 300 Pasteur Drive.

What medical group is Dr. Jennifer Roost part of?

Dr. Roost is linked to Stanford Medicine Partners. Dmand AI links Dr. Roost to 2 more medical groups.

Does Dr. Jennifer Roost accept Medicare?

Yes. CMS data shows Dr. Roost billed Medicare for 405 services in 2024, and Dr. Roost accepts Medicare assignment.

Does Dr. Jennifer Roost offer telehealth?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Jennifer Roost see?

CMS counts 210 Medicare patients who saw Dr. Roost in 2024, with an average age of 73.

Is Dr. Jennifer Roost board certified?

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

What services does Dr. Jennifer Roost bill to Medicare?

In 2024, Dr. Roost's most billed Medicare services were medicare service (G2211), surgery: digestive system (45380) and surgery: digestive system (45385).

Where did Dr. Jennifer Roost go to medical school?

Dr. Roost graduated from UCSF School of Medicine in 2000.

What drugs does Dr. Jennifer Roost prescribe most?

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

Has Dr. Jennifer Roost received payments from drug or device companies?

CMS Open Payments shows $105 in general payments to Dr. Roost from 4 companies from 2018 to 2025. The largest total came from Pfizer Inc.

How long has Dr. Jennifer Roost been practicing?

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

What insurance does Dr. Jennifer Roost accept?

Dr. Roost is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.

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