Jill Lacy, MD
NPI 1053392951 · Medical Oncology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jill Lacy, MD is a Medical Oncology Physician provider in New Haven, CT (NPI 1053392951).
Provider details
- NPI number
- 1053392951
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 022937 (CT)
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
593 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 331 | $148 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 136 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 74 | $104 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 21 | $190 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 19 | $67 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 88 | 70 |
| Loperamide Hclbrand: Loperamide | 81 | 58 |
| Dexamethasone | 62 | 41 |
| Imatinib Mesylate | 21 | — |
| Apixabanbrand: Eliquis | 19 | — |
| Oxycodone Hcl | 18 | 15 |
| Prochlorperazine Maleate | 18 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,992 across 2 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
- 2005-11-08
- Last updated
- 2008-08-20
Frequently asked questions
- What is Jill Lacy's NPI number?
- Jill Lacy's National Provider Identifier (NPI) is 1053392951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jill Lacy's specialty?
- Jill Lacy is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jill Lacy located?
- Jill Lacy's practice location on file with NPPES is 800 Howard Ave, New Haven, CT 06519-1369.
- What is Jill Lacy's phone number?
- The practice phone number listed in the NPPES registry for Jill Lacy is (203) 737-1600.
- Does Jill Lacy accept Medicare?
- Jill Lacy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jill Lacy's NPI active?
- Yes — Jill Lacy's NPI (1053392951) is active in the NPPES registry as of the last update on 2008-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.