DR. SAMAR MAHMOOD (MD) – Psychiatry Physician, NPI 1669545943
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,367 PSYCHIATRY in IL
Provider Addresses for DR. SAMAR MAHMOOD (MD)
1560 Wall St
Suite 304
Naperville, IL 605631123
Phone: (630) 416-8289
Fax: (630) 416-8306
Type: Location
12 HEALH SERVICES DRIVE
DEKALB, IL 60115
Phone: (815) 756-4875
Fax: (815) 787-9582
Type: Location
Northwestern Medicine Ben Gordon Center, 12, Health Services Drive, Edgebrook Mobile Home Park, Sycamore, DeKalb County, Illinois, 60115, United States
DEKALB, IL 601159637
Phone: (815) 756-4875
Fax: (815) 787-9582
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 97 Open Payments records for all available years, with a total value of $2,116.
Total Amount is formed as General ($2,116) + Research ($0) + Ownership ($0) = $2,116.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: ABBVIE INC. ($498).
Total Amount
$2,116
General + Research + Ownership
Payments
97
Total payment records
General Amount
$2,116
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $498 |
| Corium, LLC | $300 |
| Otsuka America Pharmaceutical, Inc. | $165 |
| Janssen Pharmaceuticals, Inc | $96 |
| Neurocrine BioSciences, Inc. | $93 |
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: 2005-12-29
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 |
|---|---|---|---|---|
| I20051229000642 | I | Psychiatry | IL | 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 |
|---|---|---|---|---|
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 262 | 72 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 239 | 130 | $0 |
Insurance plans in this area (ZIP 60563)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | IL | 90792 | Psychiatric diagnostic evaluation with medical services | 36 | 31 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Mental Health Counselor | IL | |
| Mental Health Counselor | IL | |
| Clinical Social Worker | IL | |
| Mental Health Counselor | IL | |
| Nurse Practitioner | IL | |
| Mental Health Counselor | IL | |
| Clinical Social Worker | IL | |
| - | IL | |
| Clinical Social Worker | IL | |
| Clinical Social Worker | IL |
Reviews
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