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- 800 Howard Ave, Yale Physicians Bldg-2Nd Floor, New Haven, CT 06519
About Dr. Lacy
Based in New Haven, CT, Jill Lacy, MD is listed in the NPI registry under medical oncology. Jill graduated from Yale University School of Medicine in 1978. Medicare claims data shows Jill provided 593 services to 248 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, telephone medical discussion with physician, 21-30 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1053392951 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 737-1600
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
800 HOWARD AVE YALE PHYSICIANS BLDG-2ND FLOOR
New Haven, CT 06519
Conditions Commonly Evaluated or Treated
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Abdominal cancer
Blood cancer
Blood disorders
Cancer complications
Chest cancer
Complications
Digestive cancer
Digestive cancers
Endocrine cancer
Endocrine cancers
Eye cancer
General oncology
Genetic risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
Metastatic cancer
Metastatic disease
Neurologic cancers
Sarcomas
Skin cancer
Symptom evaluation
Thoracic cancers
Treatment side effects
Urologic cancer
Urologic cancers
Procedures & services
Pain & wellness
Most searched procedures
Cancer treatment care
Complication management
Consultations
- Cancer survivorship care
- Integrative oncology consultation
- Post-cancer surveillance scan review
- Pre-Surgery Chemotherapy Consultation
- Preventative Chemotherapy Consultation
- Radiopharmaceutical therapy consultation
- Second Opinion For Cancer
- Stem cell transplant consultation
- Tumor Board Case Review
Diagnostic testing
Diagnostics
- Bone Marrow Biopsy
- Cancer Genetic Testing
- Pathology second opinion for cancer
- Tumor Biomarker Testing
Infusions
- Bone Strengthening Infusion
- Iron Infusion
- IV hydration for cancer patients
- Neurologic infusion treatment
Injections
Medication management
Patient education
Port and line care
Procedures
Specialized treatments
- Bladder instillation therapy
- Heated Chemotherapy Consultation
- Hepatic Artery Pump Chemotherapy Consultation
Specialty treatments
- Bone Strengthening Injections For Cancer
- CAR-T Therapy
- Chemo allergy desensitization
- Clinical Trial Screening
- Hormone Therapy For Cancer
- Spinal chemo injection
Supportive care
- Advance Care Planning For Cancer
- Cancer nutrition counseling
- Cancer pain management
- Cancer Rehabilitation Evaluation
- Cancer weight loss management
- Chemo brain treatment
- Chemo nausea treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hospice care consultation
- Lymphedema evaluation
- Palliative cancer care
Treatment side effects
Vascular access
Procedures Most Often Billed to Medicare
593 services · 248 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
331 | More often than most peers in Medical Oncology |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
136 | More than most peers in Medical Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
74 | Less often than most peers in Medical Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
21 | As often as other peers in Medical Oncology |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
19 | As often as other peers in Medical Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
12 | Less often than most peers in Medical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other oncologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other oncologists in New Haven 7
Same specialty, same city.
Trained at Yale University School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1978 at Yale University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Lacy?
Dr. Lacy is an oncologist in New Haven, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
What is Dr. Lacy's address?
Dr. Lacy is listed at 800 Howard Ave Yale Physicians Bldg-2Nd Floor, New Haven, CT 06519. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Lacy?
The number on file is (203) 737-1600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Lacy?
Dr. Lacy's National Provider Identifier is 1053392951. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Lacy train?
Dr. Lacy attended Yale University School of Medicine, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lacy have?
Dr. Lacy has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Lacy perform?
According to Medicare billing data, Dr. Lacy the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lacy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lacy. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.