Mariah Sirajuddin, MPAS, PA-C

  • Tomball, TX
  • Physician assistant
NPI1104364785PAC ID8527448604
Part D claims, 2024
617
Hospital affiliations
1
Industry payments
$21
Medical group
1
State license
1
Practice address
605 Holderrieth, Tomball, TX 77375
Practice phone
Call (281) 351-7500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

HCA Houston Healthcare Tomball

Hospital · Tomball, Texas

See all 3 affiliations

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Mariah Sirajuddin is a physician assistant in Tomball, Texas

Mariah Sirajuddin practices at HCA Houston Healthcare Tomball in Tomball, Texas, part of HCA Healthcare.

Mariah Sirajuddin's NPI, 1104364785, was assigned on February 3, 2017. Mariah Sirajuddin holds Texas license PA10796.

NPI and contact details
Medicare PAC ID
8527448604
NPI enumeration date
February 3, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(281) 351-7500
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mariah Sirajuddin practices at HCA Houston Healthcare Tomball in Tomball, Texas

Mariah Sirajuddin's primary practice is HCA Houston Healthcare Tomball, at 605 Holderrieth, Tomball, TX 77375 in Harris County. The practice phone is (281) 351-7500.

Source: Dmand AI Affiliation Data

Mariah Sirajuddin is affiliated with 2 sites of care and 1 medical group

Mariah Sirajuddin's primary practice is HCA Houston Healthcare Tomball in Tomball, Texas, part of HCA Healthcare. The medical group on file is ZealthCare Medical Clinic. Dmand AI also links Mariah Sirajuddin to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Mariah Sirajuddin

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mariah Sirajuddin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mariah Sirajuddin practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HCA Houston Healthcare TomballAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Mariah Sirajuddin is one of 8,663 physician assistants in Texas

Physician assistant is Mariah Sirajuddin's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mariah Sirajuddin is licensed in Texas.

Specialties and state licenses

  • Physician assistant, TexasPrimaryLicense PA10796 · taxonomy 363A00000X

Physician assistants near Mariah Sirajuddin

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mariah Sirajuddin's patients have a median age of 53

Across all payers, Dmand AI patient panel data puts Mariah Sirajuddin's median patient age at 53, with 70% women.

Mariah Sirajuddin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women70%
  • Men30%

Source: Dmand AI Patient Panel Data

Mariah Sirajuddin wrote 617 Medicare Part D claims in 2024

In 2024, Mariah Sirajuddin wrote 617 Medicare Part D claims for 141 patients. 89% of them were for generic drugs. CMS names the drug for 295 of them, across 14 drugs with 11 or more claims each, at $3,017 in total drug cost.

Part D claims, 2024617
Drugs named by CMS14
Total drug cost$3,017
Part D patients141

Mariah Sirajuddin's Part D claims by kind of drug, 2024

  • Generic552 claims89%
  • Brand-name65 claims11%

Mariah Sirajuddin's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Mariah Sirajuddin's Part D claims, 2024

  • Antibiotics7%45 of 617 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Mariah Sirajuddin

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Mariah Sirajuddin takes part in Medicare

Mariah Sirajuddin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Mariah Sirajuddin received $21 in industry payments in 2024

CMS Open Payments shows 1 general payment to Mariah Sirajuddin from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $21.

Companies that paid Mariah Sirajuddin the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Mariah Sirajuddin

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Mariah Sirajuddin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mariah Sirajuddin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mariah Sirajuddin's NPI number?

Mariah Sirajuddin's NPI number is 1104364785. It was assigned on February 3, 2017, and it is active in the NPI Registry.

What does Mariah Sirajuddin specialize in?

Mariah Sirajuddin is a physician assistant in Tomball, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Mariah Sirajuddin practice?

Mariah Sirajuddin practices at 605 Holderrieth, Tomball, TX 77375. Mariah Sirajuddin's primary practice is HCA Houston Healthcare Tomball in Tomball, Texas, part of HCA Healthcare. Dmand AI also links Mariah Sirajuddin to 1 group practice or clinic.

What is Mariah Sirajuddin's office phone number?

The practice phone on file for Mariah Sirajuddin is (281) 351-7500.

What is Mariah Sirajuddin's medical license number?

Mariah Sirajuddin holds Texas license PA10796.

Which hospitals is Mariah Sirajuddin affiliated with?

Mariah Sirajuddin practices at HCA Houston Healthcare Tomball in Tomball, Texas.

What medical group is Mariah Sirajuddin part of?

Mariah Sirajuddin is linked to ZealthCare Medical Clinic.

Does Mariah Sirajuddin accept Medicare?

Yes. CMS lists Mariah Sirajuddin as accepting Medicare assignment.

What drugs does Mariah Sirajuddin prescribe most?

In 2024 Medicare Part D data, Mariah Sirajuddin's most prescribed drugs by claims were Metformin HCl, Levothyroxine Sodium and Amlodipine Besylate.

Has Mariah Sirajuddin received payments from drug or device companies?

CMS Open Payments shows $21 in general payments to Mariah Sirajuddin from 1 company from 2024 to 2024. The largest total came from Novo Nordisk Inc.

How long has Mariah Sirajuddin been practicing?

Mariah Sirajuddin graduated from medical school in 2016, 10 years ago.

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