Saifullah Nasir, M.D.
NPI 1427343938 · Internal Medicine Physician · Schaumburg, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Saifullah Nasir, M.D. is a Internal Medicine Physician provider in Schaumburg, IL (NPI 1427343938).
Provider details
- NPI number
- 1427343938
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- BP10041524 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,712 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,641 | $118 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 447 | $42 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 350 | $120 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 311 | $9 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 194 | $60 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 829 | 313 |
| Metoprolol Succinate | 517 | 174 |
| Amlodipine Besylate | 458 | 175 |
| Lisinopril | 398 | 139 |
| Furosemide | 369 | 155 |
| Losartan Potassium | 349 | 140 |
| Apixabanbrand: Eliquis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,028 across 68 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
Registry dates
- Enumerated
- 2011-06-13
- Last updated
- 2021-02-18
- Certified
- 2021-02-18
Frequently asked questions
- What is Saifullah Nasir's NPI number?
- Saifullah Nasir's National Provider Identifier (NPI) is 1427343938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Saifullah Nasir's specialty?
- Saifullah Nasir is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Saifullah Nasir located?
- Saifullah Nasir's practice location on file with NPPES is 1345 Wiley Rd Ste 111, Schaumburg, IL 60173-4356.
- What is Saifullah Nasir's phone number?
- The practice phone number listed in the NPPES registry for Saifullah Nasir is (847) 490-0060.
- Does Saifullah Nasir accept Medicare?
- Saifullah Nasir is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Saifullah Nasir's NPI active?
- Yes — Saifullah Nasir's NPI (1427343938) is active in the NPPES registry as of the last update on 2021-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.