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NAYYAR MUMTAZ MASOOD M.D.
NPI 1639499866
Internal Medicine in San Jose, CA

Active since June 10, 2010PECOS Enrolled
5855 SILVER CREEK VALLEY RD, SAN JOSE, CA 95138(408) 574-9100 Get Directions Write a Review

NPPES record last updated: January 18, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Nayyar Mumtaz Masood M.d. NPPES

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

NAYYAR MUMTAZ MASOOD M.D. (NPI 1639499866) is an individual internal medicine provider in San Jose, California, licensed in California (A051888) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639499866
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameNAYYAR MUMTAZ MASOODCredential: M.D.
Location Address5855 SILVER CREEK VALLEY RDSan Jose, CA 95138-1059
Mailing Address5855 Silver Creek Valley RdSan Jose, CA 95138-1059 · (408) 574-9100
Phone(408) 574-9100
Sole ProprietorNo
Enumeration DateJune 10, 2010
Last NPPES UpdateJanuary 18, 2022
NPPES CertifiedJanuary 18, 2022
✔ NPI 1639499866 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 · A051888
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.
5855 SILVER CREEK VALLEY RD, San Jose, CA 95138
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Other Identifiers 1

OtherA051888CA · California State License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nayyar Mumtaz Masood M.d. 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 95138 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.

LILY CASTILLON RN
Registered Nurse (Ambulatory Care)
5855 SILVER CREEK VALLEY RD
SAN JOSE, CA 95138
Santa Clara County (408) 574-9100
LAURA K POTTER AUD
Audiologist
5855 SILVER CREEK VALLEY RD
SAN JOSE, CA 95138
Santa Clara County (315) 416-9600
DR. DAN PHAM PHARM.D., BCACP
Pharmacist
5855 SILVER CREEK VALLEY RD
SAN JOSE, CA 95138
Santa Clara County (408) 574-9247
MR. KYLE STEPHEN DUNSON
Social Worker (Clinical)
5855 SILVER CREEK VALLEY RD
SAN JOSE, CA 95138
Santa Clara County (408) 574-9202
TROY VALDIVIA LCSW
Social Worker (Clinical)
5855 SILVER CREEK VALLEY RD
SAN JOSE, CA 95138
Santa Clara County (408) 574-9123
JULIUS ERVIN AGUSTIN JAVIER LCSW
Social Worker (Clinical)
5855 SILVER CREEK VALLEY RD
SAN JOSE, CA 95138
Santa Clara County (408) 574-9100
DEVONDRA MARIE RODGERS
Social Worker (Clinical)
5855 SILVER CREEK VALLEY RD
SAN JOSE, CA 95138
Santa Clara County (510) 227-9786
JOSEPH BASCOS
Registered Nurse
5855 SILVER CREEK VALLEY RD
SAN JOSE, CA 95138
Santa Clara County (408) 574-9100

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 Nayyar Masood's NPI number?

The NPI number for Nayyar Masood is 1639499866. It was assigned to this individual provider in the NPPES registry on June 10, 2010.

Where is Nayyar Masood located?

Nayyar Masood practices at 5855 Silver Creek Valley Rd, San Jose, CA 95138. The listed phone number is (408) 574-9100.

What is Nayyar Masood's specialty?

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

Is Nayyar Masood enrolled in Medicare?

Yes. Nayyar Masood is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nayyar Masood was last updated on January 18, 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.