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

MUBASHIR AYAZ AHMED MD
NPI 1164075529
Internal Medicine - Pulmonary Disease in Mountain View, CA

Q: What is Mubashir Ayaz Ahmed's NPI number?

The NPI number for Mubashir Ayaz Ahmed is 1164075529. It was assigned to this individual provider in the NPPES registry on July 24, 2019.

Q: What is Mubashir Ayaz Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Active since July 24, 2019PECOS Enrolled

2495 HOSPITAL DR STE 460, MOUNTAIN VIEW, CA 94040(408) 871-3400(650) 447-2044 Get Directions Write a Review

NPPES record last updated: September 4, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 4, 2026, Jul 10, 2023, May 20, 2022 and 1 more (4 updates tracked since 2019).

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About Mubashir Ayaz Ahmed Md NPPES

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

MUBASHIR AYAZ AHMED MD (NPI 1164075529) is an individual pulmonary disease provider in Mountain View, California, licensed in California (A206438) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164075529

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameMUBASHIR AYAZ AHMEDCredential: MD

Location Address2495 HOSPITAL DR STE 460Mountain View, CA 94040-4172

Mailing Address973 University AveLos Gatos, CA 95032-7636 · (408) 871-3200

Phone(408) 871-3400

Fax(650) 447-2044

Sole ProprietorNo

Enumeration DateJuly 24, 2019

Last NPPES UpdateSeptember 4, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2026

✔ NPI 1164075529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · A206438

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 036159662 (IL)

2495 HOSPITAL DR STE 460, Mountain View, CA 94040

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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)

Mubashir Ayaz Ahmed Md 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 94040 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 4

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

MRS. CHRISTINE TRAN-ROBBINS RN

Registered Nurse (Oncology)

2495 HOSPITAL DR STE 460
MOUNTAIN VIEW, CA 94040

Santa Clara County (650) 988-3291

CATHERINE A COLLINGS M.D.

Internal Medicine (Cardiovascular Disease)

2495 HOSPITAL DR STE 460
MOUNTAIN VIEW, CA 94040

Santa Clara County (650) 962-4370

KAYE LU MD, MPH

Surgery

2495 HOSPITAL DR STE 460
MOUNTAIN VIEW, CA 94040

Santa Clara County (508) 334-1000

YAZEED MAZEN GUSSOUS M.B.B.S.

Orthopaedic Surgery

2495 HOSPITAL DR STE 460
MOUNTAIN VIEW, CA 94040

Santa Clara County (650) 962-4617

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 Mubashir Ayaz Ahmed's NPI number?

The NPI number for Mubashir Ayaz Ahmed is 1164075529. It was assigned to this individual provider in the NPPES registry on July 24, 2019.

Where is Mubashir Ayaz Ahmed located?

Mubashir Ayaz Ahmed practices at 2495 Hospital Dr Ste 460, Mountain View, CA 94040. The listed phone number is (408) 871-3400.

What is Mubashir Ayaz Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Mubashir Ayaz Ahmed enrolled in Medicare?

Yes. Mubashir Ayaz Ahmed is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mubashir Ayaz Ahmed was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.