John Albert Lang, MD
Internal Medicine Physician · Raleigh, NC
John Albert Lang, MD is an internal medicine physician with a practice address in Raleigh, North Carolina, and NPI 1487794491, issued on Feb 7, 2007. Check the license (North Carolina 26024, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Albert Lang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 26024 NC
Self-reported in NPPES; status is on the state search - Practice location
- 3521 Haworth Dr, Raleigh, NC 27609
- Phone
- (919) 782-1806
- Enumerated
- Feb 7, 2007
- Record last updated
- Jan 29, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (919) 782-4756
- Medicaid ID
- 8950841 NC
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 3521 Haworth Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Albert Lang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 26024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average internal medicine physician in 2024
916 Medicare Part D claims for 52 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Levothyroxine Sodium61 claims
- Donepezil Hcl56 claims
- Potassium Chloride56 claims
- Sertraline Hcl44 claims
- Atorvastatin Calcium43 claims
- Pantoprazole Sodium32 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.
John Albert Lang among 4,056 internal medicine physician records in North Carolina
John Albert Lang, MD 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 43% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2009 · 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).
315 internal medicine physician records list a practice address in Raleigh
They are 315 of the 16,309 NPPES records with a practice address in Raleigh, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Raleigh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sanjay Adi, MDRaleigh, NC 276091326042284
- Isabella Bentsen, MDRaleigh, NC 276091326046145
- Aravind Boinapally, MDRaleigh, NC 276091063478634
- Benu Chatterjee, M.D.Raleigh, NC 276091700877099
- Laxmikant Chudasama, M.D.Raleigh, NC 276091528024528
- Tina Harris, MDRaleigh, NC 276091023049699
- Kenneth Holt, M.D.Raleigh, NC 276091356304588
- Michael Karam, M.D.Raleigh, NC 276091639145907
Common questions
What is John Albert Lang, MD's NPI number?
John Albert Lang, MD's National Provider Identifier (NPI) is 1487794491, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Albert Lang, MD located?
The NPPES record lists a practice address at 3521 Haworth Dr, Raleigh, NC, 27609. Phone: (919) 782-1806. Providers update this record themselves, so call before visiting.
How can I verify John Albert Lang, MD's license?
NPPES lists North Carolina license number 26024, 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 John Albert Lang, MD prescribe under Medicare Part D?
In 2024, John Albert Lang, MD had 916 Medicare Part D claims for 52 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.