Doctor profile · Federal record

Dr. Margaret Spencer, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Tucson, AZ

  • NPI 1124690979
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1707 W Saint Marys RD Ste 275
Tucson, AZ 857452629
(520) 276-2270
Mailing address
4125 E Calle Marfil
Tucson, AZ 857126408

Credentials & registration

NPPES · NUCC
NPI registered
July 2021 — 5 yrs on file
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Arizona #244857

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124690979. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,054
Transactions
159
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 18 $456.41
Pfizer INC. 26 $385.15
Novartis Pharmaceuticals Corporation 20 $381.75
Merck Sharp & Dohme LLC 11 $231.32
Bayer Healthcare Pharmaceuticals INC. 15 $219.56
Daiichi Sankyo INC. 9 $194.71
AstraZeneca Pharmaceuticals Lp 7 $181.78
Celgene Corporation 15 $179.12
Takeda Pharmaceuticals U.S.A., INC. 7 $157.24
Incyte Corporation 5 $156.79
GlaxoSmithKline, LLC. 10 $155.82
Abbvie INC. 5 $109.77
Alexion Pharmaceuticals, INC. 4 $97.00
Genzyme Corporation 3 $84.20
Astellas Pharma US INC 4 $73.96

By nature of payment

Food and Beverage
$3,931
Education
$124

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
842
Patients
268
Total drug cost
$562,569
Drug Type Claims Patients Total cost
Anastrozole Generic 198 62 $6,986
Letrozole Generic 77 26 $7,125
Eliquis (Apixaban) Brand 70 23 $60,580
Hydroxyurea Generic 65 19 $2,818
Ondansetron Odt (Ondansetron) Brand 63 48 $1,932
Prednisone Generic 63 22 $425
Oxycodone Hcl Generic 62 28 $1,472
Abiraterone Acetate Generic 45 0 $82,521
Xarelto (Rivaroxaban) Brand 45 15 $42,329
Exemestane Generic 34 11 $16,604

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Spencer's medical specialty?
Dr. Margaret Spencer practices Family Nurse Practitioner in Tucson, AZ.
Where does Dr. Margaret Spencer practice?
Dr. Margaret Spencer practices at 1707 W Saint Marys RD Ste 275, Tucson, AZ 857452629. Office phone: 5202762270.
What is Dr. Margaret Spencer's NPI?
Dr. Margaret Spencer's National Provider Identifier (NPI) is 1124690979, issued by NPPES.
Does Dr. Margaret Spencer accept Medicare assignment?
Yes. Dr. Margaret Spencer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.