Kathleen Ann Grabowski, MD
Internal Medicine Physician · Holly Hill, SC
Kathleen Ann Grabowski, MD is an internal medicine physician with a practice address in Holly Hill, South Carolina, and NPI 1386728517, issued on Oct 24, 2006. Check the license (South Carolina 18145, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Kathleen Ann Grabowski
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 18145 SC
Self-reported in NPPES; status is on the state search - Practice location
- 922 Holly St, Holly Hill, SC 29059
- Phone
- (803) 496-7174
- Enumerated
- Oct 24, 2006
- Record last updated
- Aug 30, 2023
- Fax
- (803) 496-7928
- Entity
- Type 1 · individual
Also registered at 922 Holly St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Loren Harter, MDFamily Medicine Physician1508864885
Verify Kathleen Ann Grabowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 18145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average internal medicine physician in 2024
3,669 Medicare Part D claims for 346 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 131 claims were for opioids.
Most prescribed
- Amlodipine Besylate212 claims
- Atorvastatin Calcium192 claims
- Albuterol Sulfate Hfa115 claims
- Losartan Potassium110 claims
- Omeprazole97 claims
- Gabapentin85 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.58
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
1 internal medicine physician records list a practice address in Holly Hill
They are 1 of the 34 NPPES records with a practice address in Holly Hill, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Holly Hill →
Other internal medicine physician records in South Carolina
- Sheharyar Abbasi, DOMyrtle Beach, SC1619617222
- John Abbott, M.D.Sumter, SC1093830762
- Amjad Abdulrahman, MDIrmo, SC1194718841
- Alvin Abinsay, M.D.Marion, SC1689608002
- Izabela Abissi, DOCharleston, SC1376387803
- Tinu Abraham, MDGreenwood, SC1194354399
- Natallia Abramovich, MDSeneca, SC1568647949
- Ibrahim Abu Dayah, MDMyrtle Beach, SC1306368667
- Lauren Abusal, MD, MSCRMyrtle Beach, SC1093552911
- John Adams, MDElgin, SC1750395570
Common questions
What is Kathleen Ann Grabowski, MD's NPI number?
Kathleen Ann Grabowski, MD's National Provider Identifier (NPI) is 1386728517, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Ann Grabowski, MD located?
The NPPES record lists a practice address at 922 Holly St, Holly Hill, SC, 29059. Phone: (803) 496-7174. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Ann Grabowski, MD's license?
NPPES lists South Carolina license number 18145, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen Ann Grabowski, MD prescribe under Medicare Part D?
In 2024, Kathleen Ann Grabowski, MD had 3,669 Medicare Part D claims for 346 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.