Elizabeth Nelligan, M.D.
NPI 1174663884 · Family Medicine Physician · Essex, CT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Nelligan, M.D. is a Family Medicine Physician provider in Essex, CT (NPI 1174663884).
Provider details
- NPI number
- 1174663884
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 044749 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
937 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 366 | $137 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 208 | $142 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 75 | $68 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 68 | $16 |
| Administration of Influenza Virus VaccineG0008 | 41 | $34 |
| 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 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 449 | 111 |
| Levothyroxine Sodium | 442 | 96 |
| Amlodipine Besylate | 359 | 94 |
| Losartan Potassium | 201 | 53 |
| Lisinopril | 192 | 51 |
| Metoprolol Succinate | 170 | 44 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-08
- Last updated
- 2017-04-07
Frequently asked questions
- What is Elizabeth Nelligan's NPI number?
- Elizabeth Nelligan's National Provider Identifier (NPI) is 1174663884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Nelligan's specialty?
- Elizabeth Nelligan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Nelligan located?
- Elizabeth Nelligan's practice location on file with NPPES is 147 Westbrook Rd, Essex, CT 06426-1512.
- What is Elizabeth Nelligan's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Nelligan is (860) 767-8265.
- Does Elizabeth Nelligan accept Medicare?
- Elizabeth Nelligan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Nelligan's NPI active?
- Yes — Elizabeth Nelligan's NPI (1174663884) is active in the NPPES registry as of the last update on 2017-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.