Hafsa Hassan Siddiqui, M.D.
Infectious Disease Physician · Huntsville, AL
Hafsa Hassan Siddiqui, M.D. is an infectious disease physician with a practice address in Huntsville, Alabama, and NPI 1447446935, issued on Sep 19, 2007. Check the license (Alabama 28544, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Hafsa Hassan Siddiqui
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 28544 AL
5836739-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 420 Lowell Dr SE, Huntsville, AL 35801
- Phone
- (256) 265-7955
- Enumerated
- Sep 19, 2007
- Record last updated
- Jan 21, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (256) 265-7954
- Medicaid ID
- 1447446935 AL
- Medicare enrollment
- Enrolled (PECOS I20080602000730); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 112 in Alabama → Look up another NPI →
Also registered at 420 Lowell Dr SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tim Anderson, DOPulmonary Disease Physician1598291775
- Joseph Brasco, MDGastroenterology Physician1255398095
- James Byrd, M.D.Internal Medicine Physician1033172408
- David Calderwood, MDFamily Medicine Physician1235110586
- Don Evans, MDInternal Medicine Physician1710969522
- Joseph Fiore, M.D.Obstetrics & Gynecology Physician1982675336
Verify Hafsa Hassan Siddiqui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 28544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average infectious disease physician in 2024
1,442 Medicare Part D claims for 200 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Daptomycin215 claims
- Ertapenem164 claims
- Doxycycline Hyclate78 claims
- Gentamicin Sulfate75 claims
- Sodium Chloride74 claims
- Ceftriaxone66 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $759.60
36 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Alabama Infectious Disease Center P.C.Huntsville, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hafsa Hassan Siddiqui among 112 infectious disease physician records in Alabama
Hafsa Hassan Siddiqui, M.D. is one of 112 infectious disease physician records with a practice address in Alabama. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 48% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1999 · median 2006 among the 82 with a school on file
- Record last updated2010 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Alabama
There are 112 infectious disease physician records in Alabama.
All 112 in Alabama → Every provider in Huntsville → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- John Dunkel, MDHuntsville, AL 358011841282035
- Said El Zein, M.D.Huntsville, AL 358011730678004
- Leroy Harris, MDHuntsville, AL 358011174600100
- Ali Hassoun, MDHuntsville, AL 358011063404978
- Karlie HerreraHuntsville, AL 358011881547248
- Scott Parker, MDHuntsville, AL 358011992716120
- Tommy Parraga, M.D.Huntsville, AL 358011235513672
- Jordan Micah Polistico, M.D.Huntsville, AL 358011497273502
Common questions
What is Hafsa Hassan Siddiqui, M.D.'s NPI number?
Hafsa Hassan Siddiqui, M.D.'s National Provider Identifier (NPI) is 1447446935, issued on Sep 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hafsa Hassan Siddiqui, M.D. located?
The NPPES record lists a practice address at 420 Lowell Dr SE, Huntsville, AL, 35801. Phone: (256) 265-7955. Providers update this record themselves, so call before visiting.
How can I verify Hafsa Hassan Siddiqui, M.D.'s license?
NPPES lists Alabama license number 28544, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hafsa Hassan Siddiqui, M.D. prescribe under Medicare Part D?
In 2024, Hafsa Hassan Siddiqui, M.D. had 1,442 Medicare Part D claims for 200 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Hafsa Hassan Siddiqui, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.