DR. STEPHEN BERNARD GRUBER M.D.
NPI 1932280377
Medical Genetics - Clinical Genetics (M.D.) in Duarte, CA

Active since October 18, 2006PECOS EnrolledAccepts Medicare Assignment
99.12/100
CMS Quality Rating
1500 DUARTE RD, DUARTE, CA 91010(626) 256-4673 Get Directions Write a Review

NPPES record last updated: March 29, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 29, 2023, Apr 14, 2021, Oct 28, 2020 and 1 more (4 updates tracked since 2017).

About Dr. Stephen Bernard Gruber M.d. NPPES

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

DR. STEPHEN BERNARD GRUBER M.D. (NPI 1932280377) is an individual clinical genetics (m.d.) provider in Duarte, California, licensed in California (G89235) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in South Pasadena, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1992).

NPPES Registry Identity

NPI1932280377
Entity TypeIndividualMale
Primary Taxonomy207SG0201X
Provider Legal NameDR. STEPHEN BERNARD GRUBERCredential: M.D.
Location Address1500 DUARTE RDDuarte, CA 91010-3012
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 1992
Enumeration DateOctober 18, 2006
Last NPPES UpdateMarch 29, 20234 updates tracked since enumeration
NPPES CertifiedMarch 29, 2023
NPI 1932280377 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyMedical Genetics · Clinical Genetics (M.D.)Allopathic & Osteopathic Physicians
Taxonomy Code207SG0201X
License Licensed in CA · G89235
Definition

A clinical geneticist demonstrates competence in providing comprehensive diagnostic, management and counseling services for genetic disorders.

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License G89235 (CA)
1500 DUARTE RD, Duarte, CA 91010

Secondary Practice Location 1

Location 1209 Fair Oaks AveSouth Pasadena, CA 91030-1814 · Phone (626) 396-2900

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. Stephen Bernard Gruber 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 ID547344905
PECOS Enrollment IDI20130313000332
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 Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.23
Promoting Interoperability100
Improvement Activities40

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.

Internal Medicine (Endocrinology, Diabetes & Metabolism)
1500 DUARTE RD
DUARTE, CA 91010
Pharmacist
1500 DUARTE RD
DUARTE, CA 91010
Radiology (Diagnostic Radiology)
1500 DUARTE RD
DUARTE, CA 91010
Radiology (Radiation Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Surgery (Surgical Oncology)
1500 DUARTE RD
DUARTE, CA 91010
Surgery
1500 DUARTE RD
DUARTE, CA 91010
Anesthesiology
1500 DUARTE RD
DUARTE, CA 91010
Pathology (Hematology)
1500 DUARTE RD
DUARTE, CA 91010

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 Stephen Gruber's NPI number?

The NPI number for Stephen Gruber is 1932280377. It was assigned to this individual provider in the NPPES registry on October 18, 2006.

Where is Stephen Gruber located?

Stephen Gruber practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 256-4673.

What is Stephen Gruber's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Genetics (M.D.), with taxonomy code 207SG0201X.

Is Stephen Gruber enrolled in Medicare?

Yes. Stephen Gruber 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 Stephen Gruber was last updated on March 29, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.