DR. SHANTHI GOWRINATHAN M.D.
NPI 1174892087
Psychiatry & Neurology - Psychosomatic Medicine in Santa Monica, CA

Q: What is Shanthi Gowrinathan's NPI number?

The NPI number for Shanthi Gowrinathan is 1174892087. It was assigned to this individual provider in the NPPES registry on December 21, 2011.

Q: What is Shanthi Gowrinathan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychosomatic Medicine, with taxonomy code 2084P0015X.

Active since December 21, 2011PECOS EnrolledAccepts Medicare Assignment

1301 20TH ST STE 540, SANTA MONICA, CA 90404(310) 582-7641(310) 315-4069 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 13, 2021, Aug 17, 2020, Jan 11, 2019 (3 updates tracked since 2019).

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About Dr. Shanthi Gowrinathan M.d. NPPES

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

DR. SHANTHI GOWRINATHAN M.D. (NPI 1174892087) is an individual psychosomatic medicine provider in Santa Monica, California, licensed in California (A119204) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1174892087

Entity TypeIndividualFemale

Primary Taxonomy2084P0015X

Provider Legal NameDR. SHANTHI GOWRINATHANCredential: M.D.

Location Address1301 20TH ST STE 540Santa Monica, CA 90404-2118

Mailing Address1301 20th St Ste 145Santa Monica, CA 90404-2050 · (310) 582-7641

Phone(310) 582-7641

Fax(310) 315-4069

Sole ProprietorYes

Medical School CMSOtherGraduated 2006

Enumeration DateDecember 21, 2011

Last NPPES UpdateSeptember 13, 20213 updates tracked since enumeration

NPPES CertifiedSeptember 13, 2021

✔ NPI 1174892087 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Psychosomatic MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2084P0015X

License✔ Licensed in CA · A119204

Definition

Psychosomatic Medicine is subspecialty in the diagnosis and treatment of psychiatric disorders and symptoms in complex medically ill patients. This subspecialty includes treatment of patients with acute or chronic medical, neurological, obstetrical or surgical illness in which psychiatric illness is affecting their medical care and/or quality of life such as HIV infection, organ transplantation, heart disease, renal failure, cancer, stroke, traumatic brain injury, high-risk pregnancy and COPD, among others. Patients also may be those who have a psychiatric disorder that is the direct consequence of a primary medical condition, or a somatoform disorder or psychological factors affecting a general medical condition. Psychiatrists specializing in Psychosomatic Medicine provide consultation-liaison services in general medical hospitals, attend on medical psychiatry inpatient units, and provide collaborative care in primary care and other outpatient settings.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License A119204 (CA)

1301 20TH ST STE 540, Santa Monica, CA 90404

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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 and accepts Medicare assignment

Dr. Shanthi Gowrinathan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951538529

PECOS Enrollment IDI20131206000370

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 Reassignment

Medicare enrollment records show Shanthi Gowrinathan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Saint Johns Medical Foundation

0.1 mi

Specialist

2121 SANTA MONICA BLVD
Santa Monica, CA 90404

Reassigned Medicare billing, California enrollment
461 clinicians in this Medicare group

NPI 1770093734 (310) 582-7312

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

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.

121 services48 patients

Other Providers at the Same Location NPPES 4

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

DR. KEITH GREGORY HEINZERLING MD

Internal Medicine (Addiction Medicine)

1301 20TH ST STE 540
SANTA MONICA, CA 90404

Los Angeles County (310) 582-7612

JULIANA NICOLE HUDSON ASW

Social Worker (Clinical)

1301 20TH ST STE 540
SANTA MONICA, CA 90404

Los Angeles County (310) 582-7612

DR. MICAH LINTON PSY.D.

Psychologist (Clinical)

1301 20TH ST STE 540
SANTA MONICA, CA 90404

Los Angeles County (310) 582-7612

KARINA SERGI M.S.

Marriage & Family Therapist

1301 20TH ST STE 540
SANTA MONICA, CA 90404

Los Angeles County (310) 582-7612

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 Shanthi Gowrinathan's NPI number?

The NPI number for Shanthi Gowrinathan is 1174892087. It was assigned to this individual provider in the NPPES registry on December 21, 2011.

Where is Shanthi Gowrinathan located?

Shanthi Gowrinathan practices at 1301 20th St Ste 540, Santa Monica, CA 90404. The listed phone number is (310) 582-7641.

What is Shanthi Gowrinathan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychosomatic Medicine, with taxonomy code 2084P0015X.

Is Shanthi Gowrinathan enrolled in Medicare?

Yes. Shanthi Gowrinathan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Shanthi Gowrinathan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shanthi Gowrinathan reassigns Medicare benefits to Providence Saint Johns Medical Foundation (Santa Monica, CA). The 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 Shanthi Gowrinathan'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 Shanthi Gowrinathan was last updated on September 13, 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.