Sameera Natarajan, MD
NPI 1659804417 · Internal Medicine Physician · Hazel Crest, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sameera Natarajan, MD is a Internal Medicine Physician provider in Hazel Crest, IL (NPI 1659804417).
Provider details
- NPI number
- 1659804417
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036.171497 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
286 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 157 | $101 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 58 | $168 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 46 | $99 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 25 | $122 |
Typical Medicare-allowed amounts for these services range $99–$168 (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.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 830 | 40 |
| Atorvastatin Calcium | 654 | 41 |
| Furosemide | 593 | 47 |
| Apixabanbrand: Eliquis | 593 | 33 |
| Pantoprazole Sodium | 587 | 31 |
| Tamsulosin Hcl | 506 | 27 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-09
- Last updated
- 2025-11-10
- Certified
- 2025-11-10
Frequently asked questions
- What is Sameera Natarajan's NPI number?
- Sameera Natarajan's National Provider Identifier (NPI) is 1659804417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sameera Natarajan's specialty?
- Sameera Natarajan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sameera Natarajan located?
- Sameera Natarajan's practice location on file with NPPES is 17800 Kedzie Ave, Hazel Crest, IL 60429-2029.
- What is Sameera Natarajan's phone number?
- The practice phone number listed in the NPPES registry for Sameera Natarajan is (708) 799-8000.
- Does Sameera Natarajan accept Medicare?
- Sameera Natarajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sameera Natarajan's NPI active?
- Yes — Sameera Natarajan's NPI (1659804417) is active in the NPPES registry as of the last update on 2025-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.