MRS. HAFSA HASSAN SIDDIQUI (M.D.) – Infectious Disease Physician, NPI 1447446935
Infectious Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
123 INFECTIOUS DISEASE in AL
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Provider Addresses for MRS. HAFSA HASSAN SIDDIQUI (M.D.)
420, Lowell Drive Southeast, Medical District, Longwood, Huntsville, Madison County, Alabama, 35801, United States
SUITE 301
HUNTSVILLE, AL 358013754
Phone: (256) 265-7955
Fax: (256) 265-7954
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 79 Open Payments records for all available years, with a total value of $1,633.
Total Amount is formed as General ($1,633) + Research ($0) + Ownership ($0) = $1,633.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Insmed, Inc. ($254).
Total Amount
$1,633
General + Research + Ownership
Payments
79
Total payment records
General Amount
$1,633
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Insmed, Inc. | $254 |
| Merck Sharp & Dohme LLC | $234 |
| ABBVIE INC. | $200 |
| Cumberland Pharmaceuticals, Inc. | $194 |
| Astellas Pharma US Inc | $127 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-06-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080602000730 | I | Infectious Disease | AL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,639 | 323 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 294 | 144 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 293 | 253 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 52 | 52 | $0 |
| 99496 | Transitional care management services for problem of high complexity | 39 | 38 | $0 |
Insurance plans in this area (ZIP 35801)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Infectious Disease, Internal Medicine | AL | |
| Infectious Disease | MI |
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