Mary Alder, RN , BSN, NP, DNSC
NPI 1548450463 · Nurse Practitioner · Washington, DC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Alder, RN , BSN, NP, DNSC is a Nurse Practitioner provider in Washington, DC (NPI 1548450463).
Provider details
- NPI number
- 1548450463
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN , BSN, NP, DNSC
- Sex
- Female
- Sole proprietor
- No
- License
- 0001096719 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
107 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $169 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $120 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 22 | $30 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $86 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 15 | $14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 56 | 18 |
| Amlodipine Besylate | 46 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 45 | — |
| Rosuvastatin Calcium | 41 | 12 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 35 | — |
| Clonazepam | 32 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$963 across 45 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
- 2007-07-26
- Last updated
- 2022-03-25
- Certified
- 2022-03-25
Frequently asked questions
- What is Mary Alder's NPI number?
- Mary Alder's National Provider Identifier (NPI) is 1548450463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Alder's specialty?
- Mary Alder is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Alder located?
- Mary Alder's practice location on file with NPPES is 1140 Varnum St Ne Ste 203, Washington, DC 20017-2153.
- What is Mary Alder's phone number?
- The practice phone number listed in the NPPES registry for Mary Alder is (202) 525-5175.
- Does Mary Alder accept Medicare?
- Mary Alder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Alder's NPI active?
- Yes — Mary Alder's NPI (1548450463) is active in the NPPES registry as of the last update on 2022-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.