Justine Decastro, M.D.
NPI 1194936831 · Family Medicine Physician · Mount Pleasant, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justine Decastro, M.D. is a Family Medicine Physician provider in Mount Pleasant, SC (NPI 1194936831).
Provider details
- NPI number
- 1194936831
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 32980 (SC)
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
19 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
954 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 402 | $101 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 188 | $144 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 119 | $171 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 52 | $101 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 48 | $144 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 180 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,691 | 156 |
| Amlodipine Besylate | 1,382 | 125 |
| Pravastatin Sodium | 1,257 | 119 |
| Omeprazole | 1,201 | 132 |
| Gabapentin | 1,146 | 93 |
| Apixabanbrand: Eliquis | 895 | 93 |
| Carvedilol | 794 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-24
- Last updated
- 2026-04-23
- Certified
- 2026-04-23
Frequently asked questions
- What is Justine Decastro's NPI number?
- Justine Decastro's National Provider Identifier (NPI) is 1194936831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justine Decastro's specialty?
- Justine Decastro is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justine Decastro located?
- Justine Decastro's practice location on file with NPPES is 246 Mathis Ferry Rd Ste 100, Mount Pleasant, SC 29464-2987.
- What is Justine Decastro's phone number?
- The practice phone number listed in the NPPES registry for Justine Decastro is (843) 900-6742.
- Does Justine Decastro accept Medicare?
- Justine Decastro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justine Decastro's NPI active?
- Yes — Justine Decastro's NPI (1194936831) is active in the NPPES registry as of the last update on 2026-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.