Justin Holladay, MD
NPI 1023548138 · Internal Medicine Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Holladay, MD is a Internal Medicine Physician provider in Greenville, SC (NPI 1023548138).
Provider details
- NPI number
- 1023548138
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 51119 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
520 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 151 | $120 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 110 | $59 |
| 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 | 100 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 90 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 33 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 73 | 28 |
| Lisinopril | 61 | 23 |
| Gabapentin | 49 | 18 |
| Amlodipine Besylate | 47 | 15 |
| Levothyroxine Sodium | 44 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 35 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$198 across 12 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
Additional practice locations (1)
- 727 Se Main St Ste 320Simpsonville, SC 29681-3249Phone: (864) 454-6440Fax: (864) 454-6445
Registry dates
- Enumerated
- 2017-06-13
- Last updated
- 2022-07-21
- Certified
- 2021-10-04
Frequently asked questions
- What is Justin Holladay's NPI number?
- Justin Holladay's National Provider Identifier (NPI) is 1023548138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Holladay's specialty?
- Justin Holladay is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Holladay located?
- Justin Holladay's practice location on file with NPPES is 701 Grove Rd, Greenville, SC 29605-4210.
- What is Justin Holladay's phone number?
- The practice phone number listed in the NPPES registry for Justin Holladay is (864) 455-7844.
- Does Justin Holladay accept Medicare?
- Justin Holladay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Holladay's NPI active?
- Yes — Justin Holladay's NPI (1023548138) 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.