Dr. Jennifer Roost, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Menlo Medical Clinic
Menlo Park, California
Find Dr. Roost'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. 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
- 1790796449NPI Registry (opens in a new tab)
- 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
- Get email
- Mobile number
- Get number
- 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 Clinic321 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.
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.
| Site | EHR vendor and product |
|---|---|
| Menlo Medical Clinic | Available with a free account |
| +1 more site and 2 medical groups | Available 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, CaliforniaPrimary
- Hawaii license
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.
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.
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.
Need commercial claims for Dr. Roost?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Roost and other gastroenterologists in California.
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.
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
- High cholesterol69%
- High blood pressure51%
- Arthritis38%
- Osteoporosis33%
- Anxiety21%
- Mood disorders21%
- Ischemic heart disease19%
- 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.
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.
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
- 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.
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
- 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.
- Medical school
- Board certified in gastroenterology
- Board certified in gastroenterology
- Board certified in internal medicine
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
- HMO4
- POS3
- EPO2
- Medicare2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Jennifer Roost'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. 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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