James Lammlin
NPI 1831739903 · Family Nurse Practitioner · New Haven, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Lammlin is a Family Nurse Practitioner provider in New Haven, CT (NPI 1831739903).
Provider details
- NPI number
- 1831739903
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 082854 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
410 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 150 | $57 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 113 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $84 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $80 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $116 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 269 | 106 |
| Finasteride | 108 | 36 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 87 | 37 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 49 | 18 |
| Cabergoline | 40 | — |
| Testosterone Cypionate | 38 | 16 |
| Testosterone |
Practice location
Mailing address
Additional practice locations (1)
- 100 Grand StNew Britain, CT 06052-2016Phone: (860) 224-5011
Registry dates
- Enumerated
- 2020-01-07
- Last updated
- 2023-01-10
- Certified
- 2023-01-10
Frequently asked questions
- What is James Lammlin's NPI number?
- James Lammlin's National Provider Identifier (NPI) is 1831739903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Lammlin's specialty?
- James Lammlin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Lammlin located?
- James Lammlin's practice location on file with NPPES is 330 Orchard St Ste 164, New Haven, CT 06511-4429.
- What is James Lammlin's phone number?
- The practice phone number listed in the NPPES registry for James Lammlin is (203) 785-2815.
- Does James Lammlin accept Medicare?
- James Lammlin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Lammlin's NPI active?
- Yes — James Lammlin's NPI (1831739903) is active in the NPPES registry as of the last update on 2023-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.