1. Home
  2. Directory
  3. California
  4. Fontana
  5. Internal Medicine
  6. NPI Profile

LYDIA ESTHER VILLANUEVA M.D.
NPI 1972563765
Internal Medicine in Fontana, CA

Active since March 24, 2006PECOS EnrolledAccepts Medicare Assignment
8110 MANGO AVE, FONTANA, CA 92335(909) 822-1164(909) 357-2235 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Lydia Esther Villanueva M.d. NPPES

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

LYDIA ESTHER VILLANUEVA M.D. (NPI 1972563765) is an individual internal medicine provider in Fontana, California, licensed in California (A51183) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1979).

NPPES Registry Identity

NPI1972563765
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLYDIA ESTHER VILLANUEVACredential: M.D.
Location Address8110 MANGO AVEFontana, CA 92335-3603
Mailing Address8110 Mango AveFontana, CA 92335-3603 · (909) 822-1164 · Fax (909) 357-2235
Phone(909) 822-1164
Fax(909) 357-2235
Sole ProprietorNo
Medical School CMSOtherGraduated 1979
Enumeration DateMarch 24, 2006
Last NPPES UpdateDecember 21, 2021
NPPES CertifiedDecember 21, 2021
✔ NPI 1972563765 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 · A51183
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.
8110 MANGO AVE, Fontana, CA 92335
Open in Google Maps ↗

Other Identifiers 1

Medicaid00A4511830CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lydia Esther Villanueva 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 ID3476524646
PECOS Enrollment IDI20080715000940
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 92335 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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 15

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

FABIOLA SIANTURI MSN, FNP
Nurse Practitioner (Family)
8110 MANGO AVE
FONTANA, CA 92335
San Bernardino County (909) 854-0430
HERMINA QUION VERDE M.D.
Internal Medicine
8110 MANGO AVE
FONTANA, CA 92335
San Bernardino County (909) 822-1164
NASSER T LIASI MD
Internal Medicine
8110 MANGO AVE
FONTANA, CA 92335
San Bernardino County (909) 427-1303
YOUNG KWUN KIM D.D.S.
Dentist (General Practice)
8110 MANGO AVE, 101
FONTANA, CA 92335
San Bernardino County (909) 829-9324
BEVERLY AHONI M.D.
Pediatrics
8110 MANGO AVE
FONTANA, CA 92335
San Bernardino County (909) 427-1303
PINNACLE MEDICAL GROUP, INC
Family Medicine
8110 MANGO AVE
FONTANA, CA 92335
San Bernardino County (909) 427-1303
EMAD NABIL LOTFY HANNA
Pharmacist
8110 MANGO AVE
FONTANA, CA 92335
San Bernardino County (619) 734-6498
J DUC NGOC NGUYEN M.D.
Internal Medicine
8110 MANGO AVE, SUITE 104
FONTANA, CA 92335
San Bernardino County (909) 822-1164

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 Lydia Villanueva's NPI number?

The NPI number for Lydia Villanueva is 1972563765. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Lydia Villanueva located?

Lydia Villanueva practices at 8110 Mango Ave, Fontana, CA 92335. The listed phone number is (909) 822-1164.

What is Lydia Villanueva's specialty?

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

Is Lydia Villanueva enrolled in Medicare?

Yes. Lydia Villanueva 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.

When was this NPI record last updated?

The NPPES record for Lydia Villanueva was last updated on December 21, 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.