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MARISSA SUE BUENDIA DO
NPI 1982226791
Obstetrics & Gynecology in Modesto, CA

Active since May 14, 2020PECOS EnrolledAccepts Medicare Assignment
1401 SPANOS CT STE 230, MODESTO, CA 95355(209) 550-4720(209) 572-2923 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 26, 2026, May 14, 2020 (2 updates tracked since 2020).

About Marissa Sue Buendia Do NPPES

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

MARISSA SUE BUENDIA DO (NPI 1982226791) is an individual obstetrics & gynecology provider in Modesto, California, licensed in California (20A22810) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Pontiac, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2020).

NPPES Registry Identity

NPI1982226791
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARISSA SUE BUENDIACredential: DO
Location Address1401 SPANOS CT STE 230Modesto, CA 95355-2816
Mailing AddressPo Box 255228Sacramento, CA 95865-5228
Phone(209) 550-4720
Fax(209) 572-2923
Sole ProprietorYes
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2020
Enumeration DateMay 14, 2020
Last NPPES UpdateMay 26, 20262 updates tracked since enumeration
NPPES CertifiedMay 26, 2026
✔ NPI 1982226791 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 · 20A22810✔ Licensed in MI · 5315218200
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.
1401 SPANOS CT STE 230, Modesto, CA 95355
Open in Google Maps ↗

Secondary Practice Location 1

Location 144405 Woodward Ave # H23Pontiac, MI 48341-5023 · Phone (248) 858-3231

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

Marissa Sue Buendia Do 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 ID7517381775
PECOS Enrollment IDI20240910002759
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 Marissa Buendia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Valley Medical Foundation
1.2 mi
Multi-Specialty
600 COFFEE RD
Modesto, CA 95355
  • Reassigned Medicare billing, California enrollment
  • 3,056 clinicians in this Medicare group
NPI 1669846986 (209) 524-1211

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 95355 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
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 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STEPHANE ERLENE ZAMAYOA
Social Worker
1401 SPANOS CT STE 230
MODESTO, CA 95355
Stanislaus County (209) 524-9401
DR. HILLARY GAYLE HENDRYK M.D.
Obstetrics & Gynecology
1401 SPANOS CT STE 230
MODESTO, CA 95355
Stanislaus County (209) 550-4720
ROCIO ACERA POZZI MD
Obstetrics & Gynecology
1401 SPANOS CT STE 230
MODESTO, CA 95355
Stanislaus County (209) 569-7408
JOSEPH SAMI MANSOUR MD
Obstetrics & Gynecology
1401 SPANOS CT STE 230
MODESTO, CA 95355
Stanislaus County (209) 550-4720
OLGA MIKHAILOVNA KOVALENKO MD
Obstetrics & Gynecology
1401 SPANOS CT STE 230
MODESTO, CA 95355
Stanislaus County (209) 550-4720

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 Marissa Buendia's NPI number?

The NPI number for Marissa Buendia is 1982226791. It was assigned to this individual provider in the NPPES registry on May 14, 2020.

Where is Marissa Buendia located?

Marissa Buendia practices at 1401 Spanos Ct Ste 230, Modesto, CA 95355. The listed phone number is (209) 550-4720.

What is Marissa Buendia's specialty?

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

Is Marissa Buendia enrolled in Medicare?

Yes. Marissa Buendia 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 Marissa Buendia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Buendia reassigns Medicare benefits to Sutter Valley Medical Foundation (Modesto, 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 Marissa Buendia'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 Marissa Buendia was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.