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DR. GASPAR RIVERA M.D.
NPI 1053754499
Pediatrics in San Francisco, CA

Active since April 16, 2013PECOS Enrolled
1001 POTRERO AVENUE BLDG. 5, #6M, SAN FRANCISCO, CA 94110(628) 206-8361 Get Directions Write a Review

NPPES record last updated: January 17, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 17, 2023, Nov 13, 2017, Oct 21, 2017 (3 updates tracked since 2017).

About Dr. Gaspar Rivera M.d. NPPES

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

DR. GASPAR RIVERA M.D. (NPI 1053754499) is an individual pediatrics provider in San Francisco, California, licensed in California (A132585) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chula Vista.

NPPES Registry Identity

NPI1053754499
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. GASPAR RIVERACredential: M.D.
Location Address1001 POTRERO AVENUE BLDG. 5, #6MSan Francisco, CA 94110-3518
Mailing AddressPo Box 743749Los Angeles, CA 90074-3749
Phone(628) 206-8361
Sole ProprietorNo
Enumeration DateApril 16, 2013
Last NPPES UpdateJanuary 17, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 17, 2023
✔ NPI 1053754499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A132585
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Secondary Practice Location 1

Location 1855 3rd Ave Ste 2200Chula Vista, CA 91911-1353 · Phone (619) 662-4100

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gaspar Rivera 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

5

Medicare enrollment records show Gaspar Rivera reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

City & County Of San Francisco
Clinic/Center
1700 25TH ST
San Francisco, CA 94107
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
NPI 1013879139 (628) 217-5300
Ucsf Medical Group Business Services
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
Ucsf Pediatrics Associates
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000
University Of California San Francisco
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1164512851 (415) 476-1000
University Of California Sfgh Medical Group
Hospice and Palliative Medicine
1001 POTRERO AVE, RM. 5H22
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 637 clinicians in this Medicare group
NPI 1073836060 (415) 206-8317

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 94110 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Gaspar Rivera's NPI number?

The NPI number for Gaspar Rivera is 1053754499. It was assigned to this individual provider in the NPPES registry on April 16, 2013.

Where is Gaspar Rivera located?

Gaspar Rivera practices at 1001 Potrero Avenue Bldg. 5, #6m, San Francisco, CA 94110. The listed phone number is (628) 206-8361.

What is Gaspar Rivera's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Gaspar Rivera enrolled in Medicare?

Yes. Gaspar Rivera is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gaspar Rivera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gaspar Rivera reassigns Medicare benefits to 5 organizations: City & County Of San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, 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 Gaspar Rivera'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 Gaspar Rivera was last updated on January 17, 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.