NPI age
14 years
Enumerated 2011-06-21
● Active
Type 1 · Individual
Muhammad Shaharyar Siddiqui, M.D.
Siddiqui is 1 of 7 internal medicine providers in McKinney and 1 of 935 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2023-02-24
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 935 active internal medicine providers in Texas.
NPI age
14 years
↓ 4 yr below median (18 yr)
State licenses
1 state
15% of peers hold multiple states
Subspecialties
1
In the 38% of peers with subspecialties
NPI lifetime · 2011 → 2026
2011-06Enumerated in NPPES
2011
2026
Where they practice
Practice location
4521 Medical Center Dr Ste 400
McKinney, TX 750696863
Mailing address
4521 Medical Center Dr Ste 400
McKinney, TX 750696863
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
4510 Medical Center Dr Ste 202
McKinney, TX 750691605
Location 3
5309 W University Dr
McKinney, TX 750717824
Specialties
-
Internal Medicine PrimaryAn internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary...
-
Internal MedicineA 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,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 365886602 |
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.