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DR. SANJAI MATHEW THANKACHEN M.D.
NPI 1982751756
Psychiatry & Neurology - Psychiatry in Irvine, CA

Active since January 04, 2007PECOS EnrolledAccepts Medicare Assignment
17782 COWAN STE A, IRVINE, CA 92614(949) 340-2111(949) 722-7119 Get Directions Write a Review

NPPES record last updated: October 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 19, 2025, Mar 20, 2025 (2 updates tracked since 2025).

About Dr. Sanjai Mathew Thankachen M.d. NPPES

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

DR. SANJAI MATHEW THANKACHEN M.D. (NPI 1982751756) is an individual psychiatry provider in Irvine, California, licensed in California (A 103818) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1982751756
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. SANJAI MATHEW THANKACHENCredential: M.D.
Location Address17782 COWAN STE AIrvine, CA 92614-6041
Mailing Address1048 Irvine Ave # 1056Newport Beach, CA 92660-4602 · (949) 340-2111 · Fax (949) 390-6519
Phone(949) 340-2111
Fax(949) 722-7119
Sole ProprietorYes
Medical School CMSOtherGraduated 2001
Enumeration DateJanuary 4, 2007
Last NPPES UpdateOctober 15, 20252 updates tracked since enumeration
NPPES CertifiedOctober 15, 2025
✔ NPI 1982751756 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A 103818
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.
Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License U0669 (TX)
17782 COWAN STE A, Irvine, CA 92614
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11030 W 24th St Ste C-2Yuma, AZ 85364-8319 · Phone (928) 509-4766 · Fax (928) 291-6406
Location 22316 Colonial Ct SLeague City, TX 77573-5015 · Phone (941) 883-1945

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.Insurance ›

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. Sanjai Mathew Thankachen 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 ID9931259488
PECOS Enrollment IDI20090604000273
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

4

Medicare enrollment records show Sanjai Thankachen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jason Kellogg M.D. Inc
6.5 mi
Psychiatry
123 TURQUOISE AVE
Newport Beach, CA 92662
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Jason Kellogg MD Inc
  • 25 clinicians in this Medicare group
NPI 1235391624 (949) 340-2111
Inland Empire Tms
40 mi
Psychiatry
25240 HANCOCK AVE STE 410
Murrieta, CA 92562
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
NPI 1437720802 (951) 228-3743
Serene Health
74 mi
Mental Health
9265 SKY PARK CT STE 100
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 25 clinicians in this Medicare group
NPI 1649809526 (844) 737-3638
Yuma Tms PLLC
200 mi
Psychiatry
1030 W 24TH ST STE C-2
Yuma, AZ 85364
  • Reassigned Medicare billing, Arizona enrollment
  • 3 clinicians in this Medicare group
NPI 1164248217 (760) 622-2646

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92614 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

KELLY EGUCHI
Nurse Practitioner (Psychiatric/Mental Health)
17782 COWAN STE A
IRVINE, CA 92614
Orange County (949) 722-7118
JASON GIANG MSW
Social Worker (Clinical)
17782 COWAN STE A
IRVINE, CA 92614
Orange County (949) 722-7118
DR. LINDA TRINH NP, DNP
Nurse Practitioner
17782 COWAN STE A
IRVINE, CA 92614
Orange County (949) 722-7118
MRS. CINDY LEE CAPRETZ LCSW
Social Worker (Clinical)
17782 COWAN STE A
IRVINE, CA 92614
Orange County (949) 722-7118
MR. JOHNNY LUZ GALLEGOS APCC
Counselor (Mental Health)
17782 COWAN STE A
IRVINE, CA 92614
Orange County (949) 722-7118
MORGAN HALEY GOLDSTEIN AMFT
Marriage & Family Therapist
17782 COWAN STE A
IRVINE, CA 92614
Orange County (949) 722-7118
TUYEN NGOC HO LCSW
Social Worker (Clinical)
17782 COWAN STE A
IRVINE, CA 92614
Orange County (949) 722-7118
SALINA VONG LUM
Nurse Practitioner (Psychiatric/Mental Health)
17782 COWAN STE A
IRVINE, CA 92614
Orange County (949) 722-7118

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 Sanjai Thankachen's NPI number?

The NPI number for Sanjai Thankachen is 1982751756. It was assigned to this individual provider in the NPPES registry on January 4, 2007.

Where is Sanjai Thankachen located?

Sanjai Thankachen practices at 17782 Cowan Ste A, Irvine, CA 92614. The listed phone number is (949) 340-2111.

What is Sanjai Thankachen's specialty?

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

Is Sanjai Thankachen enrolled in Medicare?

Yes. Sanjai Thankachen 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 organizations bill Medicare for Sanjai Thankachen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sanjai Thankachen reassigns Medicare benefits to 4 organizations: Jason Kellogg M.D. Inc (Newport Beach, CA), Inland Empire Tms (Murrieta, CA), Serene Health (San Diego, CA) and Yuma Tms PLLC (Yuma, AZ). 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 Sanjai Thankachen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sanjai Thankachen accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and Moda Health Plan, Inc. list Sanjai Thankachen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sanjai Thankachen was last updated on October 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.