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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MOSES S NASSER JR. D.O.
NPI 1902023682
Family Medicine - Addiction Medicine in Glendora, CA

Active since April 20, 2007PECOS Enrolled
1146 E ROUTE 66, GLENDORA, CA 91740(909) 206-4188 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 14, 2026, Dec 4, 2020, May 4, 2020 and 2 more (5 updates tracked since 2020).

About Dr. Moses S Nasser Jr. D.o. NPPES

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

DR. MOSES S NASSER JR. D.O. (NPI 1902023682) is an individual addiction medicine provider in Glendora, California, licensed in California (20A9301) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902023682
Entity TypeIndividualMale
Primary Taxonomy207QA0401X
Provider Legal NameDR. MOSES S NASSER JR.Credential: D.O.
Location Address1146 E ROUTE 66Glendora, CA 91740-3773
Mailing Address1146 E Route 66Glendora, CA 91740-3773 · (909) 206-4188
Phone(909) 206-4188
Sole ProprietorNo
Enumeration DateApril 20, 2007
Last NPPES UpdateJuly 14, 20265 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
✔ NPI 1902023682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0401X
License✔ Licensed in CA · 20A9301
Definition
A family medicine physician who specializes in the diagnosis and treatment of addictions.
1146 E ROUTE 66, Glendora, CA 91740
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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 (PECOS)

Dr. Moses S Nasser Jr. D.o. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91740 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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 Moses Nasser's NPI number?

The NPI number for Moses Nasser is 1902023682. It was assigned to this individual provider in the NPPES registry on April 20, 2007.

Where is Moses Nasser located?

Moses Nasser practices at 1146 E Route 66, Glendora, CA 91740. The listed phone number is (909) 206-4188.

What is Moses Nasser's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.

Is Moses Nasser enrolled in Medicare?

Yes. Moses Nasser is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Moses Nasser was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.