Marja Dempsey, AGACNP-BC, FNP
NPI 1386893253 · Acute Care Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marja Dempsey, AGACNP-BC, FNP is a Acute Care Nurse Practitioner provider in Phoenix, AZ (NPI 1386893253).
Provider details
- NPI number
- 1386893253
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AGACNP-BC, FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 298139 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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 tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
6 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 1 distinct drug on file.
| Drug | Part D claims (2024) |
|---|---|
| Losartan Potassium | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$41 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (5)
- 818 W 7th St Ste 930Los Angeles, CA 90017-3476Phone: (646) 586-9908
- 24432 Se 4th PlSammamish, WA 98074-3435Phone: (253) 686-2782
- 550 17th AveSuite 680Seattle, WA 98122-5788Phone: (206) 320-5392Fax: (206) 215-4550
- 550 17th AveSuite 680Seattle, WA 98122-5788Phone: (206) 320-5392Fax: (206) 215-4550
- 550 17th Ave Fl 6Seattle, WA 98122-5788Phone: (206) 861-8550Fax: (206) 861-8551
Registry dates
- Enumerated
- 2008-09-15
- Last updated
- 2025-08-12
- Certified
- 2025-08-12
Frequently asked questions
- What is Marja Dempsey's NPI number?
- Marja Dempsey's National Provider Identifier (NPI) is 1386893253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marja Dempsey's specialty?
- Marja Dempsey is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marja Dempsey located?
- Marja Dempsey's practice location on file with NPPES is 3202 E Greenway Rd Ste 1401, Phoenix, AZ 85032-4511.
- What is Marja Dempsey's phone number?
- The practice phone number listed in the NPPES registry for Marja Dempsey is (602) 325-5577.
- Does Marja Dempsey accept Medicare?
- Marja Dempsey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marja Dempsey's NPI active?
- Yes — Marja Dempsey's NPI (1386893253) is active in the NPPES registry as of the last update on 2025-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.