Margaret Longley, CNP, DNP
NPI 1235162801 · Adult Health Nurse Practitioner · Saint Paul, MN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Longley, CNP, DNP is a Adult Health Nurse Practitioner provider in Saint Paul, MN (NPI 1235162801).
Provider details
- NPI number
- 1235162801
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP, DNP
- Sex
- Female
- Sole proprietor
- No
- License
- R 085444-7 (MN)
Specialties & taxonomies
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
268 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 198 | $102 |
| Hemoglobin A1c Level83036 | 39 | $10 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $146 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 14 | $73 |
Typical Medicare-allowed amounts for these services range $10–$146 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dulaglutidebrand: Trulicity | 216 | 59 |
| Semaglutidebrand: Ozempic | 144 | 44 |
| Pioglitazone Hcl | 131 | 62 |
| Empagliflozinbrand: Jardiance | 90 | 32 |
| Tirzepatidebrand: Mounjaro | 52 | 12 |
| Rosuvastatin Calcium | 40 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$802 across 11 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
- 2006-07-08
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is Margaret Longley's NPI number?
- Margaret Longley's National Provider Identifier (NPI) is 1235162801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Longley's specialty?
- Margaret Longley is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Longley located?
- Margaret Longley's practice location on file with NPPES is 225 Smith Ave N, Saint Paul, MN 55102-2533.
- What is Margaret Longley's phone number?
- The practice phone number listed in the NPPES registry for Margaret Longley is (651) 290-0133.
- Does Margaret Longley accept Medicare?
- Margaret Longley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Longley's NPI active?
- Yes — Margaret Longley's NPI (1235162801) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.