Charles Greenberg
Hematology (Internal Medicine) Physician · Charleston, SC
Charles Greenberg is a hematology (internal medicine) physician with a practice address in Charleston, South Carolina, and NPI 1922181189, issued on Oct 23, 2006. Check the license (South Carolina AL32064, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Charles Greenberg
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License numbers
- AL32064 SC
27462 NC
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Oct 23, 2006
- Record last updated
- Aug 10, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090829000010); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 9 in South Carolina → Look up another NPI →
Also registered at 171 Ashley Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Abbott, MDSurgical Oncology Physician1245473354
- Miguel Abboud, MDPediatric Hematology & Oncology Physician1619292851
- Ahmed Abdelkader, MD, PHDNephrology Physician1629743000
- Mohamed Abdelwahab, MDOtolaryngology Physician1528679768
- Anne Abel, MDChild Abuse Pediatrics Physician1043328990
- Christina Abrams, M.D.Pediatric Hematology & Oncology Physician1376920207
Verify Charles Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license AL32064Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
400 Medicare Part D claims for 100 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 92% of claims.
Most prescribed
- Eliquis187 claims
- Xarelto150 claims
- Doptelet11 claims
- Hydroxychloroquine Sulfate11 claims
- Warfarin Sodium11 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.
Bills Medicare through one group practice
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology (Internal Medicine) Physician providers in South Carolina
There are 9 hematology (internal medicine) physician records in South Carolina.
All 9 in South Carolina → Every provider in Charleston → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Praneeth Baratam, MDCharleston, SC 294251487970570
- Benjamin Djulbegovic, MDCharleston, SC 294251649201740
- Hamza Hashmi, M.D.Charleston, SC 294251164862652
- Brian Hess, M.D.Charleston, SC 294251770898900
- Christopher Rangel, M.D.Charleston, SC 294251750730859
- Rinah Shopnick, DOCharleston, SC 294251215012018
- Asim Pati, MDSpartanburg, SC 293031841294121
- Sharif Khan, M.D.Greenville, SC 296071184683435
Common questions
What is Charles Greenberg's NPI number?
Charles Greenberg's National Provider Identifier (NPI) is 1922181189, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Greenberg located?
The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.
How can I verify Charles Greenberg's license?
NPPES lists South Carolina license number AL32064, 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 Charles Greenberg prescribe under Medicare Part D?
In 2024, Charles Greenberg had 400 Medicare Part D claims for 100 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.