Nathan Oi, DPT
NPI 1669856837 · Physical Therapist · Chicago, IL
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Oi, DPT is a Physical Therapist provider in Chicago, IL (NPI 1669856837).
Provider details
- NPI number
- 1669856837
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Male
- Sole proprietor
- No
- License
- 07021378 (IL)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
2,195 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) |
|---|---|---|
| Therapy Procedure Using Functional Activities97530 | 674 | $35 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 521 | $21 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 511 | $22 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 470 | $26 |
| Evaluation for Physical Therapy, Typically 30 Minutes97162 | 19 | $105 |
Typical Medicare-allowed amounts for these services range $21–$105 (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)
- 2007 75th StWoodridge, IL 60517-2308Phone: (630) 991-2454Fax: (630) 991-2453
Registry dates
- Enumerated
- 2015-07-16
- Last updated
- 2019-01-16
Frequently asked questions
- What is Nathan Oi's NPI number?
- Nathan Oi's National Provider Identifier (NPI) is 1669856837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Oi's specialty?
- Nathan Oi is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Nathan Oi located?
- Nathan Oi's practice location on file with NPPES is 6255 S Archer Ave, Chicago, IL 60638.
- What is Nathan Oi's phone number?
- The practice phone number listed in the NPPES registry for Nathan Oi is (773) 284-6735.
- Does Nathan Oi accept Medicare?
- Nathan Oi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Oi's NPI active?
- Yes — Nathan Oi's NPI (1669856837) is active in the NPPES registry as of the last update on 2019-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.