DR. THOMAS MARTIN JOHNSON M.D.
NPI 1639136534
Psychiatry & Neurology - Psychiatry in Gardena, CA

Q: What is Thomas Johnson's NPI number?

The NPI number for Thomas Johnson is 1639136534. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Q: What is Thomas Johnson's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Johnson was last updated on June 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 April 26, 2006PECOS EnrolledAccepts Medicare Assignment

1225 W 190TH ST STE 280, GARDENA, CA 90248(877) 515-8113(877) 538-2102 Get Directions Write a Review

NPPES record last updated: June 13, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Thomas Martin Johnson M.d. NPPES

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

DR. THOMAS MARTIN JOHNSON M.D. (NPI 1639136534) is an individual psychiatry provider in Gardena, California, licensed in California (G081064) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1993).

NPPES Registry Identity

NPI1639136534

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. THOMAS MARTIN JOHNSONCredential: M.D.

Location Address1225 W 190TH ST STE 280Gardena, CA 90248-4305

Mailing Address2040 Vista De La VinaTempleton, CA 93465-8348 · (805) 975-3577

Phone(877) 515-8113

Fax(877) 538-2102

Sole ProprietorNo

Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 1993

Enumeration DateApril 26, 2006

Last NPPES UpdateJune 13, 2023

NPPES CertifiedJune 13, 2023

✔ NPI 1639136534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · G081064

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.

1225 W 190TH ST STE 280, Gardena, CA 90248

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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. Thomas Martin Johnson 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 ID648464792

PECOS Enrollment IDI20150527000927

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 Thomas Johnson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ehab Yacoub MD Inc.

Same address

Child & Adolescent Psychiatry

1225 W 190TH ST STE 280
Gardena, CA 90248

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

NPI 1417373713 (310) 515-8113

Department Of State Hospitals

14 mi

Psychiatric Hospital

11401 BLOOMFIELD AVE
Norwalk, CA 90650

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

NPI 1265406565 (562) 863-7011

Ocean Pearl Healing, Inc.

16 mi

Psychiatry

6131 ORANGETHORPE AVE # 220I
Buena Park, CA 90620

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

NPI 1710851308 (562) 822-5950

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 90248 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.

DR. JUAN CRISTOBAL RONDEAU MD

Psychiatry & Neurology (Psychiatry)