Margaret Mason
NPI 1033610746 · Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mason is a Nurse Practitioner provider in Baltimore, MD (NPI 1033610746).
Provider details
- NPI number
- 1033610746
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 3012124 (KY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Potassium Chloride | 43 |
| Mirtazapine | 33 |
| Dronedarone Hclbrand: Multaq | 26 |
| Gabapentin | 20 |
| Lisinopril | 20 |
| Allopurinol | 19 |
| Furosemide | 17 |
| Atorvastatin Calcium | 17 |
| Divalproex Sodium | 13 |
| Methocarbamol | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 4200 Gardiner View Ave Ste 101Louisville, KY 40213-1877Phone: (502) 456-0494Fax: (502) 456-0496
Registry dates
- Enumerated
- 2018-02-27
- Last updated
- 2026-03-12
- Certified
- 2026-03-12
Frequently asked questions
- What is Margaret Mason's NPI number?
- Margaret Mason's National Provider Identifier (NPI) is 1033610746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mason's specialty?
- Margaret Mason is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Mason located?
- Margaret Mason's practice location on file with NPPES is 2525 W Belvedere Ave, Baltimore, MD 21215-5203.
- What is Margaret Mason's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mason is (410) 367-9100.
- Does Margaret Mason accept Medicare?
- Margaret Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Mason's NPI active?
- Yes — Margaret Mason's NPI (1033610746) is active in the NPPES registry as of the last update on 2026-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.