NPPES file of Aug 9, 2026

Lauren Marie Oommen, D.O

Neurology Physician · Oakland, CA

Lauren Marie Oommen, D.O is a neurology physician with a practice address in Oakland, California, and NPI 1639319718, issued on Mar 2, 2009. Check the license (California 14865, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639319718
Name
Lauren Marie Oommen
Credential
D.O
Primary taxonomy
Neurology Physician 2084N0400X
License number
14865 CA
Self-reported in NPPES; status is on the state search
Practice location
1411 E 31St St, Oakland, CA 94602
Phone
(540) 998-8003
Enumerated
Mar 2, 2009
Record last updated
Sep 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20161216000374); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1411 E 31St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shahram Aarabi, MDVascular Surgery Physician1972700458
  2. Marwan Abdelrahim, M.D.Internal Medicine Physician1538693650
  3. Oluwayemisi Adejumo, M.D.Interventional Cardiology Physician1699031179
  4. Tessa Adler, MDEmergency Medicine Physician1558065524
  5. Omonivie Agboghidi, MDStudent in an Organized Health Care Education/Training Program1104576065
  6. Ruta AionoLactation Consultant (Non-RN)1518833375

Verify Lauren Marie Oommen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 14865
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

93% fewer Medicare Part D claims than the average neurology physician in 2024

96 Medicare Part D claims for 15 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Lauren Oommen96
  2. Specialty average1,370

Most prescribed

  1. Dalfampridine Er16 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Ucsf Medical Group Business ServicesBerkeley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lauren Marie Oommen among 2,339 neurology physician records in California

Lauren Marie Oommen, D.O is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.

  • NPI issued2009 · 58% of these records are older, 39% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2009 · median 2006 among the 1,628 with a school on file
  • Record last updated2021 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

The 8 neurology physician records with the nearest ZIP codes

  1. Michael Butler, M.D.Oakland, CA 946021699825737
  2. Nathan Gaines, M.D.Oakland, CA 946021134562234
  3. Eliza Hagen, M.D.Oakland, CA 946021790853125
  4. Robert Algar, MDWalnut Creek, CA 945981750343729
  5. Zachary Decant, D.O.Walnut Creek, CA 945981417343922
  6. Samuel GamskyWalnut Creek, CA 945981700442399
  7. Leslie Gillum, M.D.Walnut Creek, CA 945981275569089
  8. Kai Lee, MDWalnut Creek, CA 945981720166556

Common questions

What is Lauren Marie Oommen, D.O's NPI number?

Lauren Marie Oommen, D.O's National Provider Identifier (NPI) is 1639319718, issued on Mar 2, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Marie Oommen, D.O located?

The NPPES record lists a practice address at 1411 E 31St St, Oakland, CA, 94602. Phone: (540) 998-8003. Providers update this record themselves, so call before visiting.

How can I verify Lauren Marie Oommen, D.O's license?

NPPES lists California license number 14865, 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 Lauren Marie Oommen, D.O prescribe under Medicare Part D?

In 2024, Lauren Marie Oommen, D.O had 96 Medicare Part D claims for 15 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Lauren Marie Oommen, D.O's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.