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MARINA CLARISSA THOMAS MD
NPI 1285196881
Obstetrics & Gynecology in San Diego, CA

Active since April 02, 2019PECOS Enrolled
9455 CLAIREMONT MESA BLVD, SAN DIEGO, CA 92123(858) 688-2996 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 28, 2026, Oct 27, 2023, May 13, 2023 and 1 more (4 updates tracked since 2019).

About Marina Clarissa Thomas Md NPPES

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

MARINA CLARISSA THOMAS MD (NPI 1285196881) is an individual obstetrics & gynecology provider in San Diego, California, licensed in California (A181503) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285196881
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARINA CLARISSA THOMASCredential: MD
Location Address9455 CLAIREMONT MESA BLVDSan Diego, CA 92123-1297
Mailing Address2601 E Roosevelt StPhoenix, AZ 85008-4973
Phone(858) 688-2996
Sole ProprietorNo
Enumeration DateApril 2, 2019
Last NPPES UpdateJanuary 28, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2026
✔ NPI 1285196881 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A181503
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
9455 CLAIREMONT MESA BLVD, San Diego, CA 92123
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Other Names 1

Former Name (1)Marina Clarissa Germanos Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marina Clarissa Thomas Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92123 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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.

KAISER FOUNDATION HOSPITALS
General Acute Care Hospital
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (619) 528-5000
DONNY MUNOZ RRT, RCP
Respiratory Therapist, Registered
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-4209
MS. TIARA MONIQUE GAWAT RCP
Respiratory Therapist, Registered
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-5000
IRENE CHIA
Pharmacist
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-5000
MRS. AURIE-ANN NAANOS ANCHO
Respiratory Therapist, Certified
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-4200
JESUS HERRERA
Respiratory Therapist, Registered (Critical Care)
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-4200
DR. HANNAH YOUNG MD
Internal Medicine
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (833) 574-2273
DANIELA LARA CRT, RRT
Respiratory Therapist, Registered
9455 CLAIREMONT MESA BLVD
SAN DIEGO, CA 92123
San Diego County (858) 266-4200

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 Marina Thomas's NPI number?

The NPI number for Marina Thomas is 1285196881. It was assigned to this individual provider in the NPPES registry on April 2, 2019. The provider is also known as Marina Clarissa Germanos MD.

Where is Marina Thomas located?

Marina Thomas practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. The listed phone number is (858) 688-2996.

What is Marina Thomas's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Marina Thomas enrolled in Medicare?

Yes. Marina Thomas is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marina Thomas was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.