ANA S. HERDOCIA MD
NPI 1487731329
Internal Medicine in Santa Clara, CA

Q: What is Ana Herdocia's NPI number?

The NPI number for Ana Herdocia is 1487731329. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Q: What is Ana Herdocia's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Ana Herdocia was last updated on January 11, 2022. 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.

Active since October 31, 2006PECOS EnrolledAccepts Medicare Assignment

710 LAWRENCE EXPY, SANTA CLARA, CA 95051(408) 851-1000 Get Directions Write a Review

NPPES record last updated: January 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Ana S. Herdocia Md NPPES

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

ANA S. HERDOCIA MD (NPI 1487731329) is an individual internal medicine provider in Santa Clara, California, licensed in California (A81315) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2000).

NPPES Registry Identity

NPI1487731329

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameANA S. HERDOCIACredential: MD

Location Address710 LAWRENCE EXPYSanta Clara, CA 95051-5173

Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3429 · (510) 625-6262

Phone(408) 851-1000

Sole ProprietorNo

Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2000

Enumeration DateOctober 31, 2006

Last NPPES UpdateJanuary 11, 2022

NPPES CertifiedJanuary 11, 2022

✔ NPI 1487731329 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A81315

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

710 LAWRENCE EXPY, Santa Clara, CA 95051

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Other Identifiers 1

Medicaid00A813150CA

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

Ana S. Herdocia Md 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 ID4385817204

PECOS Enrollment IDI20111109000238

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 Ana Herdocia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

0.1 mi

Internal Medicine

710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1073606299 (408) 851-1000

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 95051 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

$156.67 typical visit price

range $70.37 – $206.04

Typical copayment $39.16 (range $17.59 – $51.51)

Most-billed visit code 99204

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

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. SHARLENE JUNIO MADANES N.P.

Nurse Practitioner (Family)

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-3829

ELLEN CHINCHILLI MD

Student in an Organized Health Care Education/Training Program

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-3817

SWARNA L KONERU RD

Dietitian, Registered

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1000

MRS. BRIDGET M. BOUYSSOUNOUSE P.T.

Physical Therapist

710 LAWRENCE EXPY, DEPT. #174
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1466

FLAIR D. GOLDMAN DPM

Podiatrist

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 236-6400

MR. KRISNA P CHAI M.D.

Internal Medicine (Gastroenterology)

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1000

KARISSA TAAN MPT

Physical Therapist

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1492

ANDREA B. HUTCHINSON MD

Obstetrics & Gynecology

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1000

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 Ana Herdocia's NPI number?

The NPI number for Ana Herdocia is 1487731329. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Where is Ana Herdocia located?

Ana Herdocia practices at 710 Lawrence Expy, Santa Clara, CA 95051. The listed phone number is (408) 851-1000.

What is Ana Herdocia's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ana Herdocia enrolled in Medicare?

Yes. Ana Herdocia 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 Ana Herdocia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ana Herdocia reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Ana Herdocia'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 Ana Herdocia was last updated on January 11, 2022. 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.