LAUREN MARIE OOMMEN D.O
NPI 1639319718
Psychiatry & Neurology - Neurology in Oakland, CA

Q: What is Lauren Oommen's NPI number?

The NPI number for Lauren Oommen is 1639319718. It was assigned to this individual provider in the NPPES registry on March 2, 2009.

Q: What is Lauren Oommen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Lauren Oommen was last updated on September 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 02, 2009PECOS Enrolled

75/100

CMS Quality Rating

1411 E 31ST ST, OAKLAND, CA 94602(540) 998-8003 Get Directions Write a Review

NPPES record last updated: September 20, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 20, 2021, Apr 7, 2020, Mar 4, 2020 and 1 more (4 updates tracked since 2019).

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About Lauren Marie Oommen D.o NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAUREN MARIE OOMMEN D.O (NPI 1639319718) is an individual neurology provider in Oakland, California, licensed in California (14865) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639319718

Entity TypeIndividualFemale

Primary Taxonomy2084N0400X

Provider Legal NameLAUREN MARIE OOMMENCredential: D.O

Location Address1411 E 31ST STOakland, CA 94602-1018

Mailing Address1651 4th St., Suite 252San Francisco, CA 94158 · (415) 353-2069 · Fax (415) 353-2633

Phone(540) 998-8003

Sole ProprietorNo

Enumeration DateMarch 2, 2009

Last NPPES UpdateSeptember 20, 20214 updates tracked since enumeration

NPPES CertifiedSeptember 20, 2021

✔ NPI 1639319718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in CA · 14865

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

1411 E 31ST ST, Oakland, CA 94602

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lauren Marie Oommen D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Lauren Oommen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc

11 mi

Internal Medicine

2238 GEARY
San Francisco, CA 94116

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1841373800 (415) 833-2200

University Of California San Francisco

13 mi

Surgery

400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
5,645 clinicians in this Medicare group

NPI 1346329380 (415) 353-2161

Ucsf Medical Group Business Services

13 mi

Internal Medicine

400 PARNASSUS AVE
San Francisco, CA 94122

Reassigned Medicare billing, California enrollment
5,544 clinicians in this Medicare group

NPI 1477624104 (415) 353-2808

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

32 services21 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

24 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. YVONNE DIANE ESCARSEGA MSW

Social Worker (Clinical)

1411 E 31ST ST
OAKLAND, CA 94602

Alameda County (510) 437-4373

MR. JUAN CASILLAS JR. NP

Nurse Practitioner (Family)

1411 E 31ST ST
OAKLAND, CA 94602

Alameda County (510) 437-4800

SADHANA SAMANT MD

Obstetrics & Gynecology

1411 E 31ST ST, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602

Alameda County (510) 437-4323

PATRICIA SCOTT MEYER PA

Clinical Nurse Specialist (Emergency)

1411 E 31ST ST
OAKLAND, CA 94602

Alameda County (209) 342-2300

NATHALIE BALOGUN MSW MPH

Social Worker (Clinical)

1411 E 31ST ST, ALAMEDA COUNTY MEDICAL CENTER - MEDICAL SOCAL WORK SRVC
OAKLAND, CA 94602

Alameda County (510) 437-4949

CYNTHIA MARIE ROWDEN RN

Registered Nurse (Ambulatory Care)

1411 E 31ST ST
OAKLAND, CA 94602

Alameda County (510) 437-4373

DR. KAYLA ENRIQUEZ MD

Emergency Medicine

1411 E 31ST ST
OAKLAND, CA 94602

Alameda County (510) 437-4564

DR. CHERYL LIN PARK M.D.

Surgery

1411 E 31ST ST
OAKLAND, CA 94602

Alameda County (510) 437-4743

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lauren Oommen's NPI number?

The NPI number for Lauren Oommen is 1639319718. It was assigned to this individual provider in the NPPES registry on March 2, 2009.

Where is Lauren Oommen located?

Lauren Oommen practices at 1411 E 31st St, Oakland, CA 94602. The listed phone number is (540) 998-8003.

What is Lauren Oommen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Lauren Oommen enrolled in Medicare?

Yes. Lauren Oommen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lauren Oommen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Oommen reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lauren Oommen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lauren Oommen was last updated on September 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.