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DR. MATTHEW RULON WILLIAMS M.D.
NPI 1831423250
Pediatrics - Pediatric Cardiology in San Diego, CA

Active since October 02, 2009PECOS EnrolledAccepts Medicare Assignment
3020 CHILDRENS WAY, SAN DIEGO, CA 92123(858) 966-5855 Get Directions Write a Review

NPPES record last updated: May 3, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Matthew Rulon Williams M.d. NPPES

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

DR. MATTHEW RULON WILLIAMS M.D. (NPI 1831423250) is an individual pediatric cardiology provider in San Diego, California, licensed in California (A109398) and active in the NPI registry since October 2009. He is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (2008).

NPPES Registry Identity

NPI1831423250
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameDR. MATTHEW RULON WILLIAMSCredential: M.D.
Location Address3020 CHILDRENS WAYSan Diego, CA 92123-4223
Mailing Address3020 Childrens Way, Mc5003San Diego, CA 92123-4223 · (858) 309-6300
Phone(858) 966-5855
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 2008
Enumeration DateOctober 2, 2009
Last NPPES UpdateMay 3, 2017
✔ NPI 1831423250 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in CA · A109398
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedPediatricsTaxonomy 208000000X · License A109398 (CA)
3020 CHILDRENS WAY, San Diego, CA 92123
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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

Dr. Matthew Rulon Williams 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 ID8527373869
PECOS Enrollment IDI20150817001053
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.

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.

DR. NATALIE E. ELLINGTON MD
Pathology (Pediatric Pathology)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-5944
SHANNA MICHAEL MILLER-NABAS RDN
Physician Assistant
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 576-1700
DR. ADRIANA HERRERA TREMOULET M.D.
Pediatrics (Pediatric Infectious Diseases)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-7785
LORI MCCURDY M.S., CCC-SLP
Speech-Language Pathologist
3020 CHILDRENS WAY, MC5010
SAN DIEGO, CA 92123
San Diego County (858) 968-5838
MS. ANN M SUMIDA-JOHNSON M.A..
Audiologist
3020 CHILDRENS WAY, MC 5010
SAN DIEGO, CA 92123
San Diego County (858) 966-5838
RICHARD JOHN NEWTON M.D.
Pediatrics
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-8036
DR. SHAHFAR KHAN M.D.
Pediatrics (Pediatric Emergency Medicine)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-8800
CARLY BETH WELCH CPNP-AC
Nurse Practitioner (Pediatrics)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-8800

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 Matthew Williams's NPI number?

The NPI number for Matthew Williams is 1831423250. It was assigned to this individual provider in the NPPES registry on October 2, 2009.

Where is Matthew Williams located?

Matthew Williams practices at 3020 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-5855.

What is Matthew Williams's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Matthew Williams enrolled in Medicare?

Yes. Matthew Williams 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 Matthew Williams was last updated on May 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.