Lawrence Howard Greenblatt, M.D.D
Internal Medicine Physician · Durham, NC
Lawrence Howard Greenblatt, M.D.D is an internal medicine physician with a practice address in Durham, North Carolina, and NPI 1629019971, issued on Jun 9, 2006. Check the license (North Carolina NC94-00812, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lawrence Howard Greenblatt
- Credential
- M.D.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- NC94-00812 NC
Self-reported in NPPES; status is on the state search - Practice location
- 4220 N Roxboro St, Durham, NC 27704
- Phone
- (919) 471-8344
- Enumerated
- Jun 9, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (919) 477-3110
- Medicare enrollment
- Enrolled (PECOS I20101029000574); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 4220 N Roxboro St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Aderoju, MDInternal Medicine Physician1811912033
- Khuram Bhutta, M.DHospitalist Physician1740609049
- Tracy Black, M.D.Endocrinology, Diabetes & Metabolism Physician1700853660
- Susan Blackford, M.D.Internal Medicine Physician1932258944
- Gregory Brown, M.D.Psychiatry Physician1881984094
- Collin Burks, MDFamily Medicine Physician1578051751
Verify Lawrence Howard Greenblatt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license NC94-00812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average internal medicine physician in 2024
5,536 Medicare Part D claims for 353 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 203 claims were for opioids.
Most prescribed
- Atorvastatin Calcium443 claims
- Amlodipine Besylate266 claims
- Lisinopril179 claims
- Metoprolol Succinate157 claims
- Omeprazole137 claims
- Tamsulosin Hcl135 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
- Legacy Healthcare Services IncDurham, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lawrence Howard Greenblatt among 4,056 internal medicine physician records in North Carolina
Lawrence Howard Greenblatt, M.D.D is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 52% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1990 · median 2004 among the 2,706 with a school on file
- Record last updated2007 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
380 internal medicine physician records list a practice address in Durham
They are 380 of the 13,451 NPPES records with a practice address in Durham, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Durham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Melinda Battaile, M.D.Durham, NC 277041831197094
- David Bright, MD, PHARM DDurham, NC 277041003814666
- James Brown, MD, MPH, FACPDurham, NC 277041255338489
- Amir Darwish, M.D.Durham, NC 277041699767665
- Walter Fowler, MD, PHDDurham, NC 277041013913631
- Susan Isbey, MDDurham, NC 277041396742730
- John Kallianos, MDDurham, NC 277041245231588
- Kombiz Klein, DODurham, NC 277041619976297
Common questions
What is Lawrence Howard Greenblatt, M.D.D's NPI number?
Lawrence Howard Greenblatt, M.D.D's National Provider Identifier (NPI) is 1629019971, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Howard Greenblatt, M.D.D located?
The NPPES record lists a practice address at 4220 N Roxboro St, Durham, NC, 27704. Phone: (919) 471-8344. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Howard Greenblatt, M.D.D's license?
NPPES lists North Carolina license number NC94-00812, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lawrence Howard Greenblatt, M.D.D prescribe under Medicare Part D?
In 2024, Lawrence Howard Greenblatt, M.D.D had 5,536 Medicare Part D claims for 353 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.