Dr. Janet Elaine Obrien, MD
- Medicare services, 2021
- 16
- Part D claims, 2022
- 64
- Industry payments
- $28
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 650 5th St Ste 405 Suite 405, San Francisco, CA 94107
- Practice phone
- Call (888) 311-1679
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Plushcare Of California - San Francisco (5th St)
Primary care practice · San Francisco, California
Find Dr. Obrien's professional email, personal email and mobile number
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Dr. Janet Elaine Obrien is an internist in San Francisco, California
Dr. Obrien practices at Plushcare Of California - San Francisco (5th St) in San Francisco, California.
Dr. Obrien's NPI, 1467702399, was assigned on September 18, 2012. Dr. Obrien graduated from Stanford University School Of Medicine in 1989. Dr. Obrien holds California license G70545.
- NPI
- 1467702399NPI Registry (opens in a new tab)
- NPI enumeration date
- September 18, 2012
- NPI status
- Active
- Practice phone
- (888) 311-1679
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Janet Elaine Obrien practices at Plushcare of California - San Francisco (5th St) in San Francisco, California
Dr. Obrien's primary practice is Plushcare of California - San Francisco (5th St), at 650 5th St Ste 405 Suite 405, San Francisco, CA 94107. The practice phone is (888) 311-1679.
- Plushcare of California - San Francisco (5th St)650 5th St Ste 405 Suite 405, San Francisco, CA 94107Phone(888) 311-1679
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Janet Elaine Obrien is affiliated with 2 sites of care and 1 medical group
Dr. Obrien's primary practice is Plushcare Of California - San Francisco (5th St) in San Francisco, California. Dmand AI also links Dr. Obrien to 1 physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Janet Elaine Obrien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Obrien practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Plushcare Of California - San Francisco (5th St) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Janet Elaine Obrien is one of 16,751 internists in California
Internal medicine is Dr. Obrien's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Obrien is board certified in internal medicine by the American Board of Internal Medicine. Dr. Obrien is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Obrien
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. Janet Elaine Obrien billed Medicare for 16 services in 2021
CMS data shows 16 Medicare services from Dr. Obrien across 1 procedure code in 2021. Medicare paid $1,329 for them. Every service was in an office.
Dr. Obrien's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 692021: 1677%
Dr. Obrien compared with the California median for internists, 2021
- Dr. Obrien
- California median
- Medicare services
- 16vs 36196% below
- Part D claims
- 64vs 42185% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Obrien's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Obrien and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Janet Elaine Obrien's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Dr. Obrien's median patient age at 48, with 56% women.
Dr. Obrien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women56%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Janet Elaine Obrien wrote 64 Medicare Part D claims in 2022
In 2022, Dr. Obrien wrote 64 Medicare Part D claims. They cover 2 drugs, with $748 in total drug cost. In 2021, CMS named 11 claims across 1 drug.
Dr. Obrien's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 112022: 64482%
Drugs named by CMS: 2 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Janet Elaine Obrien received $28 in industry payments from 2019 to 2023
CMS Open Payments shows 2 general payments to Dr. Obrien from 2 drug and device companies from 2019 to 2023. Food and beverage make up the largest share, 100% of the total. Ferring Pharmaceuticals Inc. paid the most, $15.
General payments to Dr. Obrien by program year, 2019 to 2023
Companies that paid Dr. Obrien the most, 2019 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Janet Elaine Obrien graduated from Stanford University School Of Medicine
Dr. Obrien graduated from Stanford University School Of Medicine in 1989.
- Medical school
- Board certified in internal medicine
- Board certified in obesity medicine
Source: Dmand AI Professional Profile Data
Dr. Janet Elaine Obrien accepts plans from 5 insurance carriers
Dr. Obrien is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
Plan types Dr. Obrien accepts, by number of carriers
- Medicare5
- PPO5
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Janet Elaine Obrien'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Janet Elaine Obrien
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. Janet Elaine Obrien's NPI number?
Dr. Janet Elaine Obrien's NPI number is 1467702399. It was assigned on September 18, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Janet Elaine Obrien?
Dr. Janet Elaine Obrien is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Janet Elaine Obrien practice?
Dr. Obrien practices at 650 5th St Ste 405 Suite 405, San Francisco, CA 94107. Dr. Obrien's primary practice is Plushcare Of California - San Francisco (5th St) in San Francisco, California. Dmand AI also links Dr. Obrien to 1 physician office and 1 medical group.
What is Dr. Janet Elaine Obrien's office phone number?
The practice phone on file for Dr. Obrien is (888) 311-1679.
What is Dr. Janet Elaine Obrien's medical license number?
Dr. Obrien holds California license G70545.
Does Dr. Janet Elaine Obrien accept Medicare?
Yes. CMS data shows Dr. Obrien billed Medicare for 16 services in 2021.
Is Dr. Janet Elaine Obrien board certified?
Yes. Dr. Obrien is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Janet Elaine Obrien bill to Medicare?
In 2021, Dr. Obrien's most billed Medicare services were home visit (99349).
Where did Dr. Janet Elaine Obrien go to medical school?
Dr. Obrien graduated from Stanford University School Of Medicine in 1989.
What drugs does Dr. Janet Elaine Obrien prescribe most?
In 2022 Medicare Part D data, Dr. Obrien's most prescribed drugs by claims were Paxlovid (Eua) and Nitrofurantoin Mono-Macro.
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Has Dr. Janet Elaine Obrien received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Obrien from 2 companies from 2019 to 2023. The largest total came from Ferring Pharmaceuticals Inc.
How long has Dr. Janet Elaine Obrien been practicing?
Dr. Obrien graduated from medical school in 1989, 37 years ago.
What insurance does Dr. Janet Elaine Obrien accept?
Dr. Obrien is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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