Soowhan Lah, M.D.
Internal Medicine Physician · Boston, MA
Soowhan Lah, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1003128760, issued on Jul 10, 2010. Check the license (Massachusetts 245655, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Soowhan Lah
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 245655 MA
077659 GA
8623977-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 736 Cambridge St, Boston, MA 02135
- Phone
- (503) 886-9722
- Enumerated
- Jul 10, 2010
- Record last updated
- Apr 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180124001308); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2010
- Entity
- Type 1 · individual
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Verify Soowhan Lah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 245655Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Utah Regional Hospitalists LLCOrem, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Soowhan Lah among 6,825 internal medicine physician records in Massachusetts
Soowhan Lah, 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2004 among the 4,103 with a school on file
- Record last updated2020 · 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).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brian Ash, M.D.Brighton, MA 021351033180385
- Larry Chin, MDBrighton, MA 021351760476832
- Ivana Jarolimova, MDBrighton, MA 021351306833942
- Hessa Kadet, M.D.Brighton, MA 021351376580480
- Lubov Kaplun, M.D.Brighton, MA 021351841247590
- Bilal Kaskar, MDBrighton, MA 021351265478440
- Sheila Macdonnell, M.D.Brighton, MA 021351245227958
- Ida Minevich, MDBrighton, MA 021351891780367
Common questions
What is Soowhan Lah, M.D.'s NPI number?
Soowhan Lah, M.D.'s National Provider Identifier (NPI) is 1003128760, issued on Jul 10, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Soowhan Lah, M.D. located?
The NPPES record lists a practice address at 736 Cambridge St, Boston, MA, 02135. Phone: (503) 886-9722. Providers update this record themselves, so call before visiting.
How can I verify Soowhan Lah, M.D.'s license?
NPPES lists Massachusetts license number 245655, 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.
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.