Sam Serafi, M.D.
NPI 1538427588 · Rheumatology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sam Serafi, M.D. is a Rheumatology Physician provider in Baltimore, MD (NPI 1538427588).
Provider details
- NPI number
- 1538427588
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0083475 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 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
3,124 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 486 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 362 | $133 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 291 | $9 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 252 | $75 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation86140 | 250 | $5 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Non-Automated85651 | 248 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 213 | 73 |
| Prednisone | 163 | 70 |
| Hydroxychloroquine Sulfate | 130 | 40 |
| Methotrexate Sodiumbrand: Methotrexate | 121 | 54 |
| Etanerceptbrand: Enbrel Sureclick | 62 | — |
| Gabapentin | 53 | 24 |
| Allopurinol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$458 across 24 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
- 2012-04-27
- Last updated
- 2020-09-04
- Certified
- 2020-09-04
Frequently asked questions
- What is Sam Serafi's NPI number?
- Sam Serafi's National Provider Identifier (NPI) is 1538427588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sam Serafi's specialty?
- Sam Serafi is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sam Serafi located?
- Sam Serafi's practice location on file with NPPES is 1220b E Joppa Rd Ste 310, Baltimore, MD 21286-5818.
- What is Sam Serafi's phone number?
- The practice phone number listed in the NPPES registry for Sam Serafi is (410) 494-1888.
- Does Sam Serafi accept Medicare?
- Sam Serafi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sam Serafi's NPI active?
- Yes — Sam Serafi's NPI (1538427588) is active in the NPPES registry as of the last update on 2020-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.