Sheldon S. Lockman, M.D.
Internal Medicine Physician · Dorchester Center, MA
Sheldon S. Lockman, M.D. is an internal medicine physician with a practice address in Dorchester Center, Massachusetts, and NPI 1245229392, issued on Oct 20, 2005. Check the license (Massachusetts 52386, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sheldon S. Lockman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 52386 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Dorchester Ave, Dorchester Center, MA 02124
- Phone
- (617) 296-4000
- Enumerated
- Oct 20, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (617) 296-7494
- Medicaid ID
- 3012875 MA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 2100 Dorchester Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sheldon S. Lockman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 52386Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
278 Medicare Part D claims for 101 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium41 claims
- Losartan Potassium23 claims
- Combivent Respimat13 claims
- Eliquis13 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.
Sheldon S. Lockman among 6,825 internal medicine physician records in Massachusetts
Sheldon S. Lockman, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 internal medicine physician records list a practice address in Dorchester Center
They are 12 of the 173 NPPES records with a practice address in Dorchester Center, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Dorchester Center → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Barbara Berland, M.D.Dorchester Center, MA 021241790775732
- Marvin Diaz-Lacayo, M.D.Dorchester Center, MA 021241477590214
- Natalia Ganson-Myshkin, M.D.Dorchester Center, MA 021241457340515
- Adam Gladstone, M.D.Dorchester Center, MA 021241437187283
- Rachel Hindin, MDDorchester, MA 021241134163462
- Ritche Mikl Lero, M.D.Dorchester, MA 021241235309014
- Kyaw Lwin, MD, MPHDorchester Center, MA 021241972767671
- Gerald Muldoon, M.D.Dorchester Center, MA 021241821076563
Common questions
What is Sheldon S. Lockman, M.D.'s NPI number?
Sheldon S. Lockman, M.D.'s National Provider Identifier (NPI) is 1245229392, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sheldon S. Lockman, M.D. located?
The NPPES record lists a practice address at 2100 Dorchester Ave, Dorchester Center, MA, 02124. Phone: (617) 296-4000. Providers update this record themselves, so call before visiting.
How can I verify Sheldon S. Lockman, M.D.'s license?
NPPES lists Massachusetts license number 52386, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sheldon S. Lockman, M.D. prescribe under Medicare Part D?
In 2024, Sheldon S. Lockman, M.D. had 278 Medicare Part D claims for 101 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.