Joseph Alagna, DO
NPI 1790270221 · Internal Medicine Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Alagna, DO is a Internal Medicine Physician provider in Charleston, SC (NPI 1790270221).
Provider details
- NPI number
- 1790270221
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS020343 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 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
1,466 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 591 | $120 |
| 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'SG2211 | 276 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 125 | $121 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 68 | $13 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 65 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 377 | 127 |
| Amlodipine Besylate | 228 | 78 |
| Losartan Potassium | 160 | 49 |
| Rosuvastatin Calcium | 116 | 44 |
| Levothyroxine Sodium | 107 | 30 |
| Omeprazole | 107 | 38 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-27
- Last updated
- 2022-08-15
- Certified
- 2022-08-15
Frequently asked questions
- What is Joseph Alagna's NPI number?
- Joseph Alagna's National Provider Identifier (NPI) is 1790270221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Alagna's specialty?
- Joseph Alagna is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Alagna located?
- Joseph Alagna's practice location on file with NPPES is 490 Martello Dr, Charleston, SC 29412-2638.
- What is Joseph Alagna's phone number?
- The practice phone number listed in the NPPES registry for Joseph Alagna is (843) 876-1139.
- Does Joseph Alagna accept Medicare?
- Joseph Alagna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Alagna's NPI active?
- Yes — Joseph Alagna's NPI (1790270221) is active in the NPPES registry as of the last update on 2022-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.