Hien Mai, DO
NPI 1881029205 · Internal Medicine Physician · Lakeland, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hien Mai, DO is a Internal Medicine Physician provider in Lakeland, FL (NPI 1881029205).
Provider details
- NPI number
- 1881029205
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS12560 (FL)
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
12 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
932 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 | 516 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 225 | $116 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 120 | $111 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 38 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 33 | $169 |
Typical Medicare-allowed amounts for these services range $77–$169 (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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 47 | 46 |
| Furosemide | 44 | 38 |
| Apixabanbrand: Eliquis | 37 | 32 |
| Levofloxacin | 36 | 35 |
| Pantoprazole Sodium | 35 | 30 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 30 | 30 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-09-04
- Last updated
- 2022-02-18
- Certified
- 2022-02-18
Frequently asked questions
- What is Hien Mai's NPI number?
- Hien Mai's National Provider Identifier (NPI) is 1881029205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hien Mai's specialty?
- Hien Mai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hien Mai located?
- Hien Mai's practice location on file with NPPES is 4315 Highland Park Blvd Ste a, Lakeland, FL 33813-1639.
- What is Hien Mai's phone number?
- The practice phone number listed in the NPPES registry for Hien Mai is (863) 816-5884.
- Does Hien Mai accept Medicare?
- Hien Mai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hien Mai's NPI active?
- Yes — Hien Mai's NPI (1881029205) is active in the NPPES registry as of the last update on 2022-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.