Kian Nassiri, DO
NPI 1962965756 · Brain Injury Medicine (Physical Medicine & Rehabilitation) Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kian Nassiri, DO is a Brain Injury Medicine (Physical Medicine & Rehabilitation) Physician provider in Chicago, IL (NPI 1962965756).
Provider details
- NPI number
- 1962965756
- Entity type
- Individual
- Primary specialty
- Brain Injury Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 125075361 (IL)
Specialties & taxonomies
- Brain Injury Medicine (Physical Medicine & Rehabilitation) PhysicianPrimary2081P0301XLicense 036.170380 (IL)
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
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
194 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 147 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 47 | $123 |
Typical Medicare-allowed amounts for these services range $81–$123 (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.
Practice location
Mailing address
Additional practice locations (1)
- 251 E Huron StChicago, IL 60611-2908Phone: (312) 926-2000
Registry dates
- Enumerated
- 2019-04-09
- Last updated
- 2024-08-23
- Certified
- 2024-08-23
Frequently asked questions
- What is Kian Nassiri's NPI number?
- Kian Nassiri's National Provider Identifier (NPI) is 1962965756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kian Nassiri's specialty?
- Kian Nassiri is listed in the NPPES registry with a primary specialty of Brain Injury Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Kian Nassiri located?
- Kian Nassiri's practice location on file with NPPES is 355 E Erie St, Chicago, IL 60611.
- What is Kian Nassiri's phone number?
- The practice phone number listed in the NPPES registry for Kian Nassiri is (312) 238-1000.
- Does Kian Nassiri accept Medicare?
- Kian Nassiri is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kian Nassiri's NPI active?
- Yes — Kian Nassiri's NPI (1962965756) is active in the NPPES registry as of the last update on 2024-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.