Kathleen Marion, NP
NPI 1598274508 · Nurse Practitioner · Boston, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Marion, NP is a Nurse Practitioner provider in Boston, MA (NPI 1598274508).
Provider details
- NPI number
- 1598274508
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN2287757 (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
8 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
178 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 | 105 | $110 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 36 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 23 | $112 |
| Hemoglobin A1c Level83036 | 14 | $10 |
Typical Medicare-allowed amounts for these services range $9–$112 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Amlodipine Besylate | 102 | 46 |
| Atorvastatin Calcium | 102 | 53 |
| Levothyroxine Sodium | 75 | 32 |
| Omeprazole | 73 | 34 |
| Hydrochlorothiazide | 70 | 33 |
| Lisinopril | 66 | 37 |
| Alprazolam | 51 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-09-21
- Last updated
- 2017-12-27
Frequently asked questions
- What is Kathleen Marion's NPI number?
- Kathleen Marion's National Provider Identifier (NPI) is 1598274508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Marion's specialty?
- Kathleen Marion is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathleen Marion located?
- Kathleen Marion's practice location on file with NPPES is 221 Longwood Ave, Boston, MA 02115-5804.
- What is Kathleen Marion's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Marion is (617) 732-5666.
- Does Kathleen Marion accept Medicare?
- Kathleen Marion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Marion's NPI active?
- Yes — Kathleen Marion's NPI (1598274508) is active in the NPPES registry as of the last update on 2017-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.