Stephen Courtin, MD
NPI 1649512690 · Geriatric Medicine (Internal Medicine) Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Courtin, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Baltimore, MD (NPI 1649512690).
Provider details
- NPI number
- 1649512690
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0083516 (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
13 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
19 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 19 | $85 |
Typical Medicare-allowed amounts for these services range $85–$85 (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 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 429 | 145 |
| Amlodipine Besylate | 307 | 95 |
| Losartan Potassium | 169 | 62 |
| Metoprolol Succinate | 167 | 61 |
| Levothyroxine Sodium | 161 | 52 |
| Escitalopram Oxalate | 154 | 60 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-17
- Last updated
- 2022-07-21
Frequently asked questions
- What is Stephen Courtin's NPI number?
- Stephen Courtin's National Provider Identifier (NPI) is 1649512690, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Courtin's specialty?
- Stephen Courtin is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Courtin located?
- Stephen Courtin's practice location on file with NPPES is 5601 Loch Raven Blvd, Baltimore, MD 21239-2945.
- What is Stephen Courtin's phone number?
- The practice phone number listed in the NPPES registry for Stephen Courtin is (443) 444-4720.
- Does Stephen Courtin accept Medicare?
- Stephen Courtin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Courtin's NPI active?
- Yes — Stephen Courtin's NPI (1649512690) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.