Kathy Tin, DO
NPI 1851851448 · Infectious Disease Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathy Tin, DO is a Infectious Disease Physician provider in Oak Lawn, IL (NPI 1851851448).
Provider details
- NPI number
- 1851851448
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 036.159933 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
180 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 50 Minutes99233 | 116 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 27 | $81 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $171 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 18 | $136 |
Typical Medicare-allowed amounts for these services range $81–$171 (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 (3)
- 2160 S 1st AveMaywood, IL 60153-3328Phone: (888) 584-7888
- 101 Nicolls RdStony Brook, NY 11794-0001Phone: (646) 736-8957
- 101 Nicolls RdStony Brook, NY 11794-0001Phone: (646) 736-8957
Registry dates
- Enumerated
- 2019-03-21
- Last updated
- 2024-08-08
- Certified
- 2024-08-08
Frequently asked questions
- What is Kathy Tin's NPI number?
- Kathy Tin's National Provider Identifier (NPI) is 1851851448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathy Tin's specialty?
- Kathy Tin is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Kathy Tin located?
- Kathy Tin's practice location on file with NPPES is 4440 W 95th St, Oak Lawn, IL 60453-2600.
- What is Kathy Tin's phone number?
- The practice phone number listed in the NPPES registry for Kathy Tin is (708) 684-1840.
- Does Kathy Tin accept Medicare?
- Kathy Tin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathy Tin's NPI active?
- Yes — Kathy Tin's NPI (1851851448) is active in the NPPES registry as of the last update on 2024-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.