Kathryn Gantman, N.P.
NPI 1285984542 · Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Gantman, N.P. is a Nurse Practitioner provider in Boston, MA (NPI 1285984542).
Provider details
- NPI number
- 1285984542
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- RN2269737 (MA)
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
13 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
322 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 70 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $70 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 33 | $13 |
| Hemoglobin A1c Level83036 | 27 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 90 | 35 |
| Lisinopril | 41 | 15 |
| Losartan Potassium | 31 | 11 |
| Amlodipine Besylate | 23 | — |
| Hydrochlorothiazide | 19 | — |
| Fluticasone Propionate | 15 | — |
| Potassium Chloride | 12 | — |
Practice location
Mailing address
Additional practice locations (1)
- 147 Milk StBoston, MA 02109-4806Phone: (617) 654-7000
Registry dates
- Enumerated
- 2012-09-14
- Last updated
- 2018-12-14
Frequently asked questions
- What is Kathryn Gantman's NPI number?
- Kathryn Gantman's National Provider Identifier (NPI) is 1285984542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Gantman's specialty?
- Kathryn Gantman is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Gantman located?
- Kathryn Gantman's practice location on file with NPPES is 147 Milk St, Boston, MA 02109-4806.
- What is Kathryn Gantman's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Gantman is (617) 654-7000.
- Does Kathryn Gantman accept Medicare?
- Kathryn Gantman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Gantman's NPI active?
- Yes — Kathryn Gantman's NPI (1285984542) is active in the NPPES registry as of the last update on 2018-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.