Ananthy Nallapillai, M.D.
NPI 1023198009 · Internal Medicine Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ananthy Nallapillai, M.D. is a Internal Medicine Physician provider in Jacksonville, FL (NPI 1023198009).
Provider details
- NPI number
- 1023198009
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- ME71493 (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
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
522 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 | 354 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 85 | $116 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 83 | $79 |
Typical Medicare-allowed amounts for these services range $77–$116 (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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 83 | 42 |
| Levothyroxine Sodium | 51 | — |
| Pantoprazole Sodium | 44 | 35 |
| Losartan Potassium | 41 | 22 |
| Apixabanbrand: Eliquis | 39 | 19 |
| Triamcinolone Acetonide | 38 | — |
| Clopidogrel Bisulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2010-02-08
Frequently asked questions
- What is Ananthy Nallapillai's NPI number?
- Ananthy Nallapillai's National Provider Identifier (NPI) is 1023198009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ananthy Nallapillai's specialty?
- Ananthy Nallapillai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ananthy Nallapillai located?
- Ananthy Nallapillai's practice location on file with NPPES is 3661 Crown Point Ct, Jacksonville, FL 32257-5967.
- What is Ananthy Nallapillai's phone number?
- The practice phone number listed in the NPPES registry for Ananthy Nallapillai is (904) 880-5220.
- Does Ananthy Nallapillai accept Medicare?
- Ananthy Nallapillai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ananthy Nallapillai's NPI active?
- Yes — Ananthy Nallapillai's NPI (1023198009) is active in the NPPES registry as of the last update on 2010-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.