LYNNE HILLIS (M.D.) – Internal Medicine Physician, NPI 1558367359
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
3,447 INTERNAL MEDICINE in CT
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Provider Addresses for LYNNE HILLIS (M.D.)
1453, Whalley Avenue, Amity, West Hills, New Haven, New Haven County, Connecticut, 06525, United States
NEW HAVEN, CT 065151153
Phone: (203) 389-4111
Fax: (203) 889-4953
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-08-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100820000038 | I | Internal Medicine | CT | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 203 | 140 | $0 |
| 99348 | Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 99 | 63 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 90 | 90 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 84 | 84 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 81 | 62 | $0 |
Insurance plans in this area (ZIP 06515)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT | |
| Physician Assistant | CT | |
| Nurse Practitioner | CT | |
| Physician Assistant | CT | |
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT | |
| G A S T R O E N T E R O L O G Y | CT | |
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT |
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