JOHN L OTIS M D & MICHELE A STEWART M D INC
NPI 1417980939
Psychiatry & Neurology - Psychiatry in La Jolla, CA

Q: What is John L Otis M D & Michele A Stewart M D Inc's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since July 08, 2006

4150 REGENTS PARK ROW, 250, LA JOLLA, CA 92037(858) 457-2180(858) 457-2194 Get Directions Write a Review

NPPES record last updated: December 22, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About John L Otis M D & Michele A Stewart M D Inc NPPES

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

JOHN L OTIS M D & MICHELE A STEWART M D INC (NPI 1417980939) is a healthcare organization registered as a psychiatry in La Jolla, California and active in the NPI registry since July 2006. The organization lists John Lee Otis, Owner, as its authorized official.

NPPES Registry Identity

NPI1417980939

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameJOHN L OTIS M D & MICHELE A STEWART M D INC

Location Address4150 REGENTS PARK ROW, 250La Jolla, CA 92037-9124

Mailing Address1679 E Main St, 205El Cajon, CA 92021-5212 · (619) 579-8745 · Fax (619) 457-2194

Phone(858) 457-2180

Fax(858) 457-2194

Organization SubpartNo

Authorized OfficialJohn Lee OtisOwner · (619) 579-8745

Enumeration DateJuly 8, 2006

Last NPPES UpdateDecember 22, 2010

✔ NPI 1417980939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

4150 REGENTS PARK ROW, La Jolla, CA 92037

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Other Identifiers 1

Medicare PINW6323CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John L Otis M D & Michele A Stewart M D Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateCaliforniaEnrollment IDO20081217000585Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to John L Otis M D & Michele A Stewart M D Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

John Otis, MD

Psychiatry

NPI 1235154535

4150 REGENTS PARK ROW 250
La Jolla, CA 92037

(858) 457-2180

✔ PECOS✔ Accepts MedicareSame address

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

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 John L Otis M D & Michele A Stewart M D Inc's NPI number?

The NPI number for John L Otis M D & Michele A Stewart M D Inc is 1417980939. It was assigned to this organization in the NPPES registry on July 8, 2006.

Where is John L Otis M D & Michele A Stewart M D Inc located?

John L Otis M D & Michele A Stewart M D Inc is located at 4150 Regents Park Row 250, La Jolla, CA 92037. The listed phone number is (858) 457-2180.

What is John L Otis M D & Michele A Stewart M D Inc's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is John L Otis M D & Michele A Stewart M D Inc enrolled in Medicare?

Yes. John L Otis M D & Michele A Stewart M D Inc is registered in the Medicare PECOS enrollment system.

When is John L Otis M D & Michele A Stewart M D Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through John L Otis M D & Michele A Stewart M D Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to John L Otis M D & Michele A Stewart M D Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for John L Otis M D & Michele A Stewart M D Inc was last updated on December 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.