Duan Huang, M.D., PH.D.
NPI 1659329431 · Internal Medicine Physician · Columbus, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Duan Huang, M.D., PH.D. is a Internal Medicine Physician provider in Columbus, GA (NPI 1659329431).
Provider details
- NPI number
- 1659329431
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 055058 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
101 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 49 | $73 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 26 | $119 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 26 | $164 |
Typical Medicare-allowed amounts for these services range $73–$164 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 39 | 33 |
| Amlodipine Besylate | 31 | 28 |
| Atorvastatin Calcium | 31 | 25 |
| Pantoprazole Sodium | 26 | 21 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | 11 |
| Lisinopril | 15 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2024-08-01
- Certified
- 2024-08-01
Frequently asked questions
- What is Duan Huang's NPI number?
- Duan Huang's National Provider Identifier (NPI) is 1659329431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duan Huang's specialty?
- Duan Huang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Duan Huang located?
- Duan Huang's practice location on file with NPPES is 2000 16th Ave, Columbus, GA 31901-1665.
- What is Duan Huang's phone number?
- The practice phone number listed in the NPPES registry for Duan Huang is (706) 320-3770.
- Does Duan Huang accept Medicare?
- Duan Huang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Duan Huang's NPI active?
- Yes — Duan Huang's NPI (1659329431) is active in the NPPES registry as of the last update on 2024-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.