Mary Olin, PHYSICIAN ASSISTANT
NPI 1841244571 · Medical Physician Assistant · Washington, DC
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Olin, PHYSICIAN ASSISTANT is a Medical Physician Assistant provider in Washington, DC (NPI 1841244571).
Provider details
- NPI number
- 1841244571
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PHYSICIAN ASSISTANT
- Sex
- Female
- License
- DCPA215 (DC)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
523 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 87 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 86 | $119 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 83 | $116 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 49 | $166 |
| Administration of Influenza Virus VaccineG0008 | 28 | $36 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 142 | 50 |
| Amlodipine Besylate | 138 | 47 |
| Losartan Potassium | 77 | 28 |
| Mirtazapine | 62 | 19 |
| Levothyroxine Sodium | 57 | 19 |
| Furosemide | 52 | 21 |
| Metformin Hcl | 52 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Olin's NPI number?
- Mary Olin's National Provider Identifier (NPI) is 1841244571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Olin's specialty?
- Mary Olin is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Olin located?
- Mary Olin's practice location on file with NPPES is 2150 Pennsylvania Ave Nw, Washington, DC 20037-3201.
- What is Mary Olin's phone number?
- The practice phone number listed in the NPPES registry for Mary Olin is (202) 741-2350.
- Does Mary Olin accept Medicare?
- Mary Olin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Olin's NPI active?
- Yes — Mary Olin's NPI (1841244571) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.