Kathleen Grabowski, MD
NPI 1386728517 · Internal Medicine Physician · Holly Hill, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Grabowski, MD is a Internal Medicine Physician provider in Holly Hill, SC (NPI 1386728517).
Provider details
- NPI number
- 1386728517
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 18145 (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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 212 | 99 |
| Atorvastatin Calcium | 192 | 104 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 115 | 40 |
| Losartan Potassium | 110 | 49 |
| Omeprazole | 97 | 44 |
| Gabapentin | 85 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
- 2006-10-24
- Last updated
- 2023-08-30
- Certified
- 2023-08-30
Frequently asked questions
- What is Kathleen Grabowski's NPI number?
- Kathleen Grabowski's National Provider Identifier (NPI) is 1386728517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Grabowski's specialty?
- Kathleen Grabowski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Grabowski located?
- Kathleen Grabowski's practice location on file with NPPES is 922 Holly St, Holly Hill, SC 29059-2762.
- What is Kathleen Grabowski's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Grabowski is (803) 496-7174.
- Does Kathleen Grabowski accept Medicare?
- Kathleen Grabowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Grabowski's NPI active?
- Yes — Kathleen Grabowski's NPI (1386728517) is active in the NPPES registry as of the last update on 2023-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.