Margaret Spencer, NP
NPI 1124690979 · Family Nurse Practitioner · Tucson, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Spencer, NP is a Family Nurse Practitioner provider in Tucson, AZ (NPI 1124690979).
Provider details
- NPI number
- 1124690979
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 244857 (AZ)
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 tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 174 | 54 |
| Apixabanbrand: Eliquis | 75 | 18 |
| Ondansetronbrand: Ondansetron Odt | 58 | 37 |
| Abiraterone Acetate | 50 | — |
| Rivaroxabanbrand: Xarelto | 46 | — |
| Oxycodone Hcl | 45 | 16 |
| Hydroxyurea | 38 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,054 across 206 records (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
Registry dates
- Enumerated
- 2021-07-12
- Last updated
- 2021-07-12
- Certified
- 2021-07-08
Frequently asked questions
- What is Margaret Spencer's NPI number?
- Margaret Spencer's National Provider Identifier (NPI) is 1124690979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Spencer's specialty?
- Margaret Spencer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Spencer located?
- Margaret Spencer's practice location on file with NPPES is 1707 W Saint Marys Rd Ste 275, Tucson, AZ 85745-2629.
- What is Margaret Spencer's phone number?
- The practice phone number listed in the NPPES registry for Margaret Spencer is (520) 276-2270.
- Does Margaret Spencer accept Medicare?
- Margaret Spencer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Spencer's NPI active?
- Yes — Margaret Spencer's NPI (1124690979) is active in the NPPES registry as of the last update on 2021-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.