Mark Huang, MD
NPI 1437165578 · Physical Medicine & Rehabilitation Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Huang, MD is a Physical Medicine & Rehabilitation Physician provider in Chicago, IL (NPI 1437165578).
Provider details
- NPI number
- 1437165578
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-104403 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
948 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 | 792 | $87 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $72 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 44 | $190 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 42 | $89 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 19 | $55 |
Typical Medicare-allowed amounts for these services range $55–$190 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2022-04-26
- Certified
- 2022-04-26
Frequently asked questions
- What is Mark Huang's NPI number?
- Mark Huang's National Provider Identifier (NPI) is 1437165578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Huang's specialty?
- Mark Huang is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Huang located?
- Mark Huang's practice location on file with NPPES is 355 E Erie St, Chicago, IL 60611-3167.
- What is Mark Huang's phone number?
- The practice phone number listed in the NPPES registry for Mark Huang is (312) 238-1000.
- Does Mark Huang accept Medicare?
- Mark Huang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Huang's NPI active?
- Yes — Mark Huang's NPI (1437165578) is active in the NPPES registry as of the last update on 2022-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.