John Mandeville, FNP-BC
NPI 1538871496 · Family Nurse Practitioner · Amherst, NH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mandeville, FNP-BC is a Family Nurse Practitioner provider in Amherst, NH (NPI 1538871496).
Provider details
- NPI number
- 1538871496
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 079027-23 (NH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 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
324 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) |
|---|---|---|
| Assessment of Emotional Or Behavioral Problems96127 | 87 | $5 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $107 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 34 | $152 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 30 | $7 |
| Hemoglobin A1c Level83036 | 20 | $10 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 18 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 74 | 31 |
| Amlodipine Besylate | 56 | 24 |
| Lisinopril | 45 | 20 |
| Levothyroxine Sodium | 43 | 17 |
| Losartan Potassium | 43 | 15 |
| Duloxetine Hcl | 35 | 11 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-12-21
- Last updated
- 2024-06-10
- Certified
- 2024-06-10
Frequently asked questions
- What is John Mandeville's NPI number?
- John Mandeville's National Provider Identifier (NPI) is 1538871496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mandeville's specialty?
- John Mandeville is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Mandeville located?
- John Mandeville's practice location on file with NPPES is 282 State Route 101 Unit 2, Amherst, NH 03031-1706.
- What is John Mandeville's phone number?
- The practice phone number listed in the NPPES registry for John Mandeville is (603) 693-2100.
- Does John Mandeville accept Medicare?
- John Mandeville is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mandeville's NPI active?
- Yes — John Mandeville's NPI (1538871496) is active in the NPPES registry as of the last update on 2024-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.