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Edit this profileAt a glance
- 1140 Varnum St Ne Ste 203, Washington, DC 20017
About Mary Alder
Mary B. Alder, RN, BSN, NP, DNSC is a nurse practitioner based in Washington, DC. Mary is also listed as specializing in infectious disease. Medicare claims data shows Mary provided 107 services to 78 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and 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 or. The provider's National Provider Identifier (NPI) is 1548450463.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (202) 525-5175
- Email not available
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Practice Locations
1140 VARNUM ST NE STE 203
Washington, DC 20017
Procedures Most Often Billed to Medicare
107 services · 78 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
15 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
28 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
26 | Less often than most peers in Nurse Practitioner |
| 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 or | Billing code | G2212 |
22 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
16 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Washington 8
Same specialty, same city.
More connections — 19 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 3
Providers in DC who bill this service to Medicare most often.
Common questions
What does Mary B. Alder, RN, BSN, NP specialize in?
Mary B. Alder, RN, BSN, NP is a nurse practitioner in Washington, DC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary B. Alder, RN, BSN, NP located?
Mary B. Alder, RN, BSN, NP is listed at 1140 Varnum St Ne Ste 203, Washington, DC 20017. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary B. Alder, RN, BSN, NP's phone number?
The number on file is (202) 525-5175. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mary B. Alder, RN, BSN, NP?
Mary B. Alder, RN, BSN, NP's National Provider Identifier is 1548450463. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary B. Alder, RN, BSN, NP train?
Mary B. Alder, RN, BSN, NP attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mary B. Alder, RN, BSN, NP have?
Mary B. Alder, RN, BSN, NP has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Mary B. Alder, RN, BSN, NP do most often?
According to Medicare billing data, Mary B. Alder, RN, BSN, NP provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mary B. Alder, RN, BSN, NP's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mary B. Alder, RN, BSN, NP. If this is you, claiming it is free.
Guide.md
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