Ryan Shanahan, M.D.
NPI 1972746469 · Emergency Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Shanahan, M.D. is a Emergency Medicine Physician provider in Baltimore, MD (NPI 1972746469).
Provider details
- NPI number
- 1972746469
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D75127 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
973 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 359 | $9 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 334 | $182 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 143 | $126 |
| Critical Care, First 30-74 Minutes99291 | 137 | $225 |
Typical Medicare-allowed amounts for these services range $9–$225 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 51 | 50 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 24 | 24 |
| Prednisone | 23 | 22 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 20 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 19 | 19 |
| Ondansetronbrand: Ondansetron Odt | 17 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-13
- Last updated
- 2014-06-23
Frequently asked questions
- What is Ryan Shanahan's NPI number?
- Ryan Shanahan's National Provider Identifier (NPI) is 1972746469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Shanahan's specialty?
- Ryan Shanahan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Shanahan located?
- Ryan Shanahan's practice location on file with NPPES is 1830 E Monument St, Baltimore, MD 21287-0020.
- What is Ryan Shanahan's phone number?
- The practice phone number listed in the NPPES registry for Ryan Shanahan is (202) 725-3959.
- Does Ryan Shanahan accept Medicare?
- Ryan Shanahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Shanahan's NPI active?
- Yes — Ryan Shanahan's NPI (1972746469) is active in the NPPES registry as of the last update on 2014-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.