Mehtab Fatima Siddiky, M.D
Internal Medicine Physician · Phoenix, AZ
Mehtab Fatima Siddiky, M.D is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1427079425, issued on Jul 22, 2006. Check the license (Arizona 26921, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mehtab Fatima Siddiky
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 26921 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 650 E Indian School RD, Phoenix, AZ 85012
- Phone
- (602) 277-5551
- Enumerated
- Jul 22, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 650 E Indian School RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mehtab Fatima Siddiky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 26921Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
12 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Mehtab Fatima Siddiky among 2,853 internal medicine physician records in Arizona
Mehtab Fatima Siddiky, M.D is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2007 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mary Ballard, MDPhoenix, AZ 850121922040997
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- Darren Deering, D.O.Phoenix, AZ 850121649200726
- Michael Garrett, M.D.Phoenix, AZ 850121245260603
- Howard Grossman, M.D.Phoenix, AZ 850121710951694
- Christopher Kurtz, M.D.Phoenix, AZ 850121417909482
- Maria-Teresa Laurel, MDPhoenix, AZ 850121588618672
Common questions
What is Mehtab Fatima Siddiky, M.D's NPI number?
Mehtab Fatima Siddiky, M.D's National Provider Identifier (NPI) is 1427079425, issued on Jul 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mehtab Fatima Siddiky, M.D located?
The NPPES record lists a practice address at 650 E Indian School RD, Phoenix, AZ, 85012. Phone: (602) 277-5551. Providers update this record themselves, so call before visiting.
How can I verify Mehtab Fatima Siddiky, M.D's license?
NPPES lists Arizona license number 26921, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mehtab Fatima Siddiky, M.D prescribe under Medicare Part D?
In 2024, Mehtab Fatima Siddiky, M.D had 12 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.
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.