Matthew Kellner, MD
NPI 1427553437 · Internal Medicine Physician · Little River, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Kellner, MD is a Internal Medicine Physician provider in Little River, SC (NPI 1427553437).
Provider details
- NPI number
- 1427553437
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 238310 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 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
1,108 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 395 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 338 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 217 | $107 |
| Critical Care, First 30-74 Minutes99291 | 94 | $197 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 64 | $162 |
Typical Medicare-allowed amounts for these services range $74–$197 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 71 | 25 |
| Amiodarone Hcl | 51 | 19 |
| Metoprolol Tartrate | 46 | 16 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 38 | 16 |
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 33 | 11 |
| Furosemide | 26 | 16 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$161 across 3 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)
- 2131 S 17th StWilmington, NC 28401-7407Phone: (864) 680-5798
Registry dates
- Enumerated
- 2018-03-30
- Last updated
- 2022-06-29
- Certified
- 2022-06-29
Frequently asked questions
- What is Matthew Kellner's NPI number?
- Matthew Kellner's National Provider Identifier (NPI) is 1427553437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Kellner's specialty?
- Matthew Kellner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Kellner located?
- Matthew Kellner's practice location on file with NPPES is 4000 Highway 9 E, Little River, SC 29566-7833.
- What is Matthew Kellner's phone number?
- The practice phone number listed in the NPPES registry for Matthew Kellner is (843) 716-7000.
- Does Matthew Kellner accept Medicare?
- Matthew Kellner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Kellner's NPI active?
- Yes — Matthew Kellner's NPI (1427553437) is active in the NPPES registry as of the last update on 2022-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.