NPPES file of Aug 9, 2026

Zahida Khan Maskatia, M.D.

Allergy & Immunology (Internal Medicine) Physician · San Mateo, CA

Zahida Khan Maskatia, M.D. is an allergy & immunology (internal medicine) physician with a practice address in San Mateo, California, and NPI 1134364250, issued on Dec 3, 2008. Check the license (California A143036, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134364250
Name
Zahida Khan Maskatia
Credential
M.D.
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
License numbers
A143036 CA
BP20030561 TX
Self-reported in NPPES; status is on the state search
Practice location
101 S San Mateo Dr Ste 311, San Mateo, CA 94401
Phone
(650) 376-0853
Enumerated
Dec 3, 2008
Record last updated
Oct 4, 2023
Medicare enrollment
Enrolled (PECOS I20180307001126); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest allergy & immunology (internal medicine) physician records → All 81 in California → Look up another NPI →

Also registered at 101 S San Mateo Dr Ste 311

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sukhjit Takhar, MDInternal Medicine Physician1003871161

Verify Zahida Khan Maskatia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A143036    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Ucsf Health Medical FoundationRedwood City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zahida Khan Maskatia among 81 allergy & immunology (internal medicine) physician records in California

Zahida Khan Maskatia, M.D. is one of 81 allergy & immunology (internal medicine) physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.

  • NPI issued2008 · 41% of these records are older, 49% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2007 · median 2010 among the 46 with a school on file
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology (Internal Medicine) Physician providers in California

There are 81 allergy & immunology (internal medicine) physician records in California.

All 81 in California → Every provider in San Mateo → Allergy & Immunology (Internal Medicine) Physician nationwide →

The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes

  1. Andrew Engler, MDSan Mateo, CA 944011366400384
  2. Nisha Patel, MDSan Mateo, CA 944011336392547
  3. Anna Arroyo, MDStanford, CA 943051205102472
  4. Meng Chen, MDStanford, CA 943051497190714
  5. Linda Zhu, MDStanford, CA 943051063839264
  6. Rebecca Chinthrajah, M.D.Palo Alto, CA 943041225235120
  7. Yu Wong, MDPalo Alto, CA 943041043486863
  8. Imran Junaid, M.D.Concord, CA 945201285801787

Common questions

What is Zahida Khan Maskatia, M.D.'s NPI number?

Zahida Khan Maskatia, M.D.'s National Provider Identifier (NPI) is 1134364250, issued on Dec 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Zahida Khan Maskatia, M.D. located?

The NPPES record lists a practice address at 101 S San Mateo Dr Ste 311, San Mateo, CA, 94401. Phone: (650) 376-0853. Providers update this record themselves, so call before visiting.

How can I verify Zahida Khan Maskatia, M.D.'s license?

NPPES lists California license number A143036, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.