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DR. MARTINA ROSHANI GUNARATNAM M.D.
NPI 1992918312
Psychiatry & Neurology - Psychiatry in Mariposa, CA

Active since May 08, 2007PECOS Enrolled
5362 LEMEE LN, MARIPOSA, CA 95338(209) 966-2000 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 11, 2025, Jul 3, 2024, Jun 27, 2024 (3 updates tracked since 2024).

About Dr. Martina Roshani Gunaratnam M.d. NPPES

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

DR. MARTINA ROSHANI GUNARATNAM M.D. (NPI 1992918312) is an individual psychiatry provider in Mariposa, California, licensed in Illinois (036.124009) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992918312
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARTINA ROSHANI GUNARATNAMCredential: M.D.
Location Address5362 LEMEE LNMariposa, CA 95338-9556
Mailing Address5362 Lemee LnMariposa, CA 95338-9556 · (209) 966-2000
Phone(209) 966-2000
Sole ProprietorNo
Enumeration DateMay 8, 2007
Last NPPES UpdateDecember 11, 20253 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1992918312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in IL · 036.124009✔ Licensed in CA · C143972✔ Licensed in HI · 19377
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
5362 LEMEE LN, Mariposa, CA 95338
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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)

Dr. Martina Roshani Gunaratnam M.d. 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

2

Medicare enrollment records show Martina Gunaratnam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Los Angeles County Department Of Mental Health
221 mi
Mental Health (Including Community Mental Health Center)
251 EAST AVENUE K-6, STE H
Lancaster, CA 93535
  • Reassigned Medicare billing, California enrollment
  • 533 clinicians in this Medicare group
NPI 1871364752 (661) 723-4260
Bartz-Altadonna Community Health Center
221 mi
Federally Qualified Health Center (FQHC)
43322 GINGHAM AVE
Lancaster, CA 93535
  • Reassigned Medicare billing, California enrollment
  • 70 clinicians in this Medicare group
NPI 1811279763 (661) 874-4050

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 95338 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
$176.60 typical visit price
range $58.87 – $176.60
Typical copayment $44.15 (range $14.71 – $44.15)
Most-billed visit code 99205
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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.

AUSTIN RIDENHOUR
Day Training/Habilitation Specialist
5362 LEMEE LN
MARIPOSA, CA 95338
Mariposa County (209) 742-0818
SYDNEY FORGA
Social Worker (Clinical)
5362 LEMEE LN
MARIPOSA, CA 95338
Mariposa County (209) 742-0842
LORENA DOWLING
Day Training/Habilitation Specialist
5362 LEMEE LN
MARIPOSA, CA 95338
Mariposa County (209) 966-2000
KATHELEEN ANN PULLIAM
Community Health Worker
5362 LEMEE LN
MARIPOSA, CA 95338
Mariposa County (209) 742-0854
BRANDI BAE HOWES-MEDLEY ACSW
Social Worker (Clinical)
5362 LEMEE LN
MARIPOSA, CA 95338
Mariposa County (209) 347-1362
MISTY THORSGARD
Case Manager/Care Coordinator
5362 LEMEE LN
MARIPOSA, CA 95338
Mariposa County (209) 742-0873
SHEREE ILENE TEDROW RN
Registered Nurse
5362 LEMEE LN
MARIPOSA, CA 95338
Mariposa County (209) 966-2000
KELLI DESTASIO
Student in an Organized Health Care Education/Training Program
5362 LEMEE LN
MARIPOSA, CA 95338
Mariposa County (209) 966-2000

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 Martina Gunaratnam's NPI number?

The NPI number for Martina Gunaratnam is 1992918312. It was assigned to this individual provider in the NPPES registry on May 8, 2007.

Where is Martina Gunaratnam located?

Martina Gunaratnam practices at 5362 Lemee Ln, Mariposa, CA 95338. The listed phone number is (209) 966-2000.

What is Martina Gunaratnam's specialty?

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

Is Martina Gunaratnam enrolled in Medicare?

Yes. Martina Gunaratnam is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Martina Gunaratnam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martina Gunaratnam reassigns Medicare benefits to 2 organizations: Los Angeles County Department Of Mental Health (Lancaster, CA) and Bartz-Altadonna Community Health Center (Lancaster, 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 Martina Gunaratnam'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 Martina Gunaratnam was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.