Carmen Nan, M.D.
NPI 1912943424 · Internal Medicine Physician · Lutz, FL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carmen Nan, M.D. is a Internal Medicine Physician provider in Lutz, FL (NPI 1912943424).
Provider details
- NPI number
- 1912943424
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- ME78693 (FL)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
695 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 | 338 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 81 | $115 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 77 | $79 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 67 | $169 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 62 | $111 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 38 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 28 | 28 |
| Pantoprazole Sodium | 27 | 27 |
| Losartan Potassium | 24 | 24 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 17 | 16 |
| Metoprolol Tartrate | 15 | 14 |
| Furosemide | 15 | 15 |
| Amlodipine Besylate | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2025-08-14
- Certified
- 2025-08-14
Frequently asked questions
- What is Carmen Nan's NPI number?
- Carmen Nan's National Provider Identifier (NPI) is 1912943424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carmen Nan's specialty?
- Carmen Nan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carmen Nan located?
- Carmen Nan's practice location on file with NPPES is 4211 Van Dyke Rd, Lutz, FL 33558-8005.
- What is Carmen Nan's phone number?
- The practice phone number listed in the NPPES registry for Carmen Nan is (813) 321-6237.
- Does Carmen Nan accept Medicare?
- Carmen Nan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carmen Nan's NPI active?
- Yes — Carmen Nan's NPI (1912943424) is active in the NPPES registry as of the last update on 2025-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.