Samar Mahmood, MD
NPI 1669545943 · Psychiatry Physician · Dekalb, IL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samar Mahmood, MD is a Psychiatry Physician provider in Dekalb, IL (NPI 1669545943).
Provider details
- NPI number
- 1669545943
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036110009 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
390 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 208 | $123 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 85 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $94 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 16 | $166 |
Typical Medicare-allowed amounts for these services range $94–$166 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 241 | 36 |
| Quetiapine Fumarate | 220 | 27 |
| Clonazepam | 209 | 36 |
| Lorazepam | 203 | 25 |
| Fluoxetine Hcl | 200 | 25 |
| Trazodone Hcl | 159 | 27 |
| Sertraline Hcl | 158 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$840 across 36 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1560 Wall StSuite 304Naperville, IL 60563-1123Phone: (630) 416-8289Fax: (630) 416-8306
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2019-03-12
Frequently asked questions
- What is Samar Mahmood's NPI number?
- Samar Mahmood's National Provider Identifier (NPI) is 1669545943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samar Mahmood's specialty?
- Samar Mahmood is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Samar Mahmood located?
- Samar Mahmood's practice location on file with NPPES is 12 Healh Services Drive, Dekalb, IL 60115.
- What is Samar Mahmood's phone number?
- The practice phone number listed in the NPPES registry for Samar Mahmood is (815) 756-4875.
- Does Samar Mahmood accept Medicare?
- Samar Mahmood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samar Mahmood's NPI active?
- Yes — Samar Mahmood's NPI (1669545943) is active in the NPPES registry as of the last update on 2019-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.