1. Home
  2. Directory
  3. California
  4. San Marcos
  5. Obstetrics Gynecology
  6. NPI Profile

DR. ERIC GUERRERO ADIARTE M.D.
NPI 1902038284
Obstetrics & Gynecology in San Marcos, CA

Active since August 20, 2009PECOS EnrolledAccepts Medicare Assignment
400 CRAVEN RD, ERIC ADIARTE C/O OB/GYN, BUILDING 4, 3RD FLOOR, SAN MARCOS, CA 92078(619) 528-5000 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Eric Guerrero Adiarte M.d. NPPES

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

DR. ERIC GUERRERO ADIARTE M.D. (NPI 1902038284) is an individual obstetrics & gynecology provider in San Marcos, California, licensed in California (A125682) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS and is a graduate of University Of Minnesota Medical School (2009).

NPPES Registry Identity

NPI1902038284
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. ERIC GUERRERO ADIARTECredential: M.D.
Location Address400 CRAVEN RD, ERIC ADIARTE C/O OB/GYN, BUILDING 4, 3RD FLOORSan Marcos, CA 92078-4201
Mailing Address400 Craven Rd, Eric Adiarte C/o Ob/gyn, Building 4, 3rd FloorSan Marcos, CA 92078-4201 · (619) 528-5000
Phone(619) 528-5000
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2009
Enumeration DateAugust 20, 2009
Last NPPES UpdateNovember 29, 2021
✔ NPI 1902038284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CA · A125682✔ Licensed in WA · ML60093358
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.
400 CRAVEN RD, San Marcos, CA 92078
Open in Google Maps ↗

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. Eric Guerrero Adiarte 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 ID9133355498
PECOS Enrollment IDI20131115001224
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 Eric Adiarte reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
24 mi
Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1225060742 (619) 528-5000

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 92078 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.

MRS. LAURIE JUNE STEINECKE PT
Physical Therapist (Orthopedic)
400 CRAVEN RD
SAN MARCOS, CA 92078
San Diego County (760) 510-5662
MASSUD R WEISS
Family Medicine
400 CRAVEN RD
SAN MARCOS, CA 92078
San Diego County (833) 574-2273
SZE HOAY DING M.D.
Internal Medicine
400 CRAVEN RD
SAN MARCOS, CA 92078
San Diego County (619) 318-7476
MS. JENNIFER ALEXANDER RCP, RRT
Respiratory Therapist, Certified (Pulmonary Function Technologist)
400 CRAVEN RD
SAN MARCOS, CA 92078
San Diego County (760) 510-5457
LORRAINE VIVIENNE LEVY PT
Physical Therapist (Orthopedic)
400 CRAVEN RD
SAN MARCOS, CA 92078
San Diego County (760) 510-5656
NICOLETTE E. DOME-YUTSUS AU.D.
Audiologist
400 CRAVEN RD
SAN MARCOS, CA 92078
San Diego County (858) 616-5115
DR. ROSE RIDINGS FEAVER PHARM.D.
Pharmacist
400 CRAVEN RD
SAN MARCOS, CA 92078
San Diego County (760) 510-4077
DR. MICHAEL JOSEPH CRAWFORD D.P.M
Podiatrist (Foot & Ankle Surgery)
400 CRAVEN RD
SAN MARCOS, CA 92078
San Diego County (626) 818-0967

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 Eric Adiarte's NPI number?

The NPI number for Eric Adiarte is 1902038284. It was assigned to this individual provider in the NPPES registry on August 20, 2009.

Where is Eric Adiarte located?

Eric Adiarte practices at 400 Craven Rd Eric Adiarte C/O Ob/Gyn, Building 4, 3rd Floor, San Marcos, CA 92078. The listed phone number is (619) 528-5000.

What is Eric Adiarte's specialty?

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

Is Eric Adiarte enrolled in Medicare?

Yes. Eric Adiarte 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 Eric Adiarte's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eric Adiarte reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Eric Adiarte'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 Eric Adiarte was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.