Chou-Long Huang, MD PHD
NPI 1396704425 · Nephrology Physician · Iowa City, IA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chou-Long Huang, MD PHD is a Nephrology Physician provider in Iowa City, IA (NPI 1396704425).
Provider details
- NPI number
- 1396704425
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- MD-44623 (IA)
Specialties & taxonomies
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
242 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 | 129 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 48 | $73 |
| Critical Care, First 30-74 Minutes99291 | 39 | $195 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 26 | $160 |
Typical Medicare-allowed amounts for these services range $73–$195 (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 (2)
- 5323 Harry Hines BlvdDallas, TX 75390-7208Phone: (214) 645-8600
- 5323 Harry Hines BlvdDallas, TX 75390-7208Phone: (214) 645-8600
Registry dates
- Enumerated
- 2006-03-18
- Last updated
- 2018-03-17
Frequently asked questions
- What is Chou-Long Huang's NPI number?
- Chou-Long Huang's National Provider Identifier (NPI) is 1396704425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chou-Long Huang's specialty?
- Chou-Long Huang is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Chou-Long Huang located?
- Chou-Long Huang's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Chou-Long Huang's phone number?
- The practice phone number listed in the NPPES registry for Chou-Long Huang is (319) 356-3972.
- Does Chou-Long Huang accept Medicare?
- Chou-Long Huang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chou-Long Huang's NPI active?
- Yes — Chou-Long Huang's NPI (1396704425) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.