Lalitha Dileep-Ansal, MD
NPI 1053549303 · Hospitalist Physician · Elmhurst, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lalitha Dileep-Ansal, MD is a Hospitalist Physician provider in Elmhurst, IL (NPI 1053549303).
Provider details
- NPI number
- 1053549303
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 125055636 (IL)
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
16 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
732 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 | 544 | $123 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 143 | $120 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 29 | $182 |
| Critical Care, First 30-74 Minutes99291 | 16 | $224 |
Typical Medicare-allowed amounts for these services range $120–$224 (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
Registry dates
- Enumerated
- 2009-06-25
- Last updated
- 2018-10-31
Frequently asked questions
- What is Lalitha Dileep-Ansal's NPI number?
- Lalitha Dileep-Ansal's National Provider Identifier (NPI) is 1053549303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lalitha Dileep-Ansal's specialty?
- Lalitha Dileep-Ansal is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Lalitha Dileep-Ansal located?
- Lalitha Dileep-Ansal's practice location on file with NPPES is 155 E Brush Hill Rd, Elmhurst, IL 60126.
- What is Lalitha Dileep-Ansal's phone number?
- The practice phone number listed in the NPPES registry for Lalitha Dileep-Ansal is (331) 221-8952.
- Does Lalitha Dileep-Ansal accept Medicare?
- Lalitha Dileep-Ansal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lalitha Dileep-Ansal's NPI active?
- Yes — Lalitha Dileep-Ansal's NPI (1053549303) is active in the NPPES registry as of the last update on 2018-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.