Sebastian Orion Groot, D.O.
Family Medicine Physician · Berkeley, CA
Sebastian Orion Groot, D.O. is a family medicine physician with a practice address in Berkeley, California, and NPI 1194251249, issued on May 11, 2017. Check the license (California 20A16750, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sebastian Orion Groot
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A16750 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3100 San Pablo Ave # 310, Berkeley, CA 94702
- Phone
- (510) 985-5020
- Enumerated
- May 11, 2017
- Record last updated
- Mar 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191025002373); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 3100 San Pablo Ave # 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andria Johnson, M.D.Family Medicine Physician1225278385
- Avis Logan, MDFamily Medicine Physician1235102252
- Kathryn Malone, MDFamily Medicine Physician1114982568
- Tracey Taylor, D.O.Family Medicine Physician1073968244
- Sarah White, NPFamily Nurse Practitioner1184809212
Verify Sebastian Orion Groot in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A16750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average family medicine physician in 2024
2,400 Medicare Part D claims for 375 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 80 claims were for opioids.
Most prescribed
- Losartan Potassium141 claims
- Amlodipine Besylate125 claims
- Atorvastatin Calcium123 claims
- Levothyroxine Sodium89 claims
- Tamsulosin Hcl76 claims
- Rosuvastatin Calcium67 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- John Muir Physician NetworkWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
77 family medicine physician records list a practice address in Berkeley
They are 77 of the 4,898 NPPES records with a practice address in Berkeley, and 17,133 family medicine physician records in California.
All 77 in Berkeley → All 17,133 in California → Every provider in Berkeley →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Sebastian Orion Groot, D.O.'s NPI number?
Sebastian Orion Groot, D.O.'s National Provider Identifier (NPI) is 1194251249, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sebastian Orion Groot, D.O. located?
The NPPES record lists a practice address at 3100 San Pablo Ave # 310, Berkeley, CA, 94702. Phone: (510) 985-5020. Providers update this record themselves, so call before visiting.
How can I verify Sebastian Orion Groot, D.O.'s license?
NPPES lists California license number 20A16750, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sebastian Orion Groot, D.O. prescribe under Medicare Part D?
In 2024, Sebastian Orion Groot, D.O. had 2,400 Medicare Part D claims for 375 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.