ELIZABETH K. NELLIGAN (M.D.) – Family Medicine Physician, NPI 1174663884
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
822 FAMILY PRACTICE in CT
Provider Addresses for ELIZABETH K. NELLIGAN (M.D.)
147 WESTBROOK RD
ESSEX, CT 064261512
Phone: (860) 767-8265
Fax: (860) 358-8653
Type: Location
28 CRESCENT ST
MIDDLETOWN, CT 064573654
Phone: (860) 358-4820
Fax: (860) 358-8661
Type: Mailing
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: 2007-02-23
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 |
|---|---|---|---|---|
| I20070223000398 | I | Family Practice | 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 | 355 | 206 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 188 | 188 | $0 |
| J3420 | Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 112 | 14 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 111 | 14 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 82 | 72 | $0 |
Insurance plans in this area (ZIP 06426)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | CT | 90670 | Pneumococcal vaccine for injection into muscle | 40 | 40 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT | |
| Physician Assistant | CT | |
| Physician Assistant | CT | |
| - | CT | |
| Physician Assistant | MA | |
| Physician Assistant | CT | |
| General Surgery | CT | |
| H O S P I T A L I S T | CT | |
| - | CT |
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