NPI Portal NPI Lookup & Verification

Mitchell Howard Rubenstein, MD

Mitchell Howard Rubenstein is a Dermatology Physician provider (Dermatology) practicing in Brookline, MA, registered in the NPPES registry with NPI 1003873126 since 2006. The credential MD stands for Doctor of Medicine. Practices at Bwpo Dept of Medicine (listed at the same practice address in NPPES).

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NPI 1003873126
Entity type Individual (Type 1)
Name Mitchell Howard Rubenstein
Credential MD
Sex Male
Practice address 111 CYPRESS ST, Brookline, MA, 02445
Phone 8573070896
Enumeration date 2006-05-01
Last updated in NPPES 2012-05-31

Taxonomy & licenses

Taxonomy code Specialty Primary License State
207N00000X Dermatology Physician Primary 42710 MA

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Copy-ready billing details
Provider: Mitchell Rubenstein, MD
NPI: 1003873126
Taxonomy: 207N00000X (Dermatology Physician)
Address: 111 CYPRESS ST, Brookline, MA, 02445

Other providers at this practice address

NPI Name Type Specialty Location
1093706459 Sarah Grant Individual Pulmonary Disease Physician Brookline, MA
1003891151 Elliot Israel Individual Pulmonary Disease Physician Brookline, MA
1427036854 Laura Goguen Individual Otolaryngology Physician Brookline, MA
1376516708 Chieh-Min Fan Individual Vascular & Interventional Radiology Physician Brookline, MA
1770544363 James Maguire Individual Infectious Disease Physician Brookline, MA
1356307292 Nancy Shadick Individual Rheumatology Physician Brookline, MA
1033176359 Barbara Dworetzky Individual Epilepsy Physician Brookline, MA
1013974492 Susan Hellerstein Individual Obstetrics & Gynecology Physician Brookline, MA

Verify this record

Cross-check NPI 1003873126 against the authoritative CMS record: view Mitchell Howard Rubenstein on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Mitchell Rubenstein?
The National Provider Identifier (NPI) for Mitchell Rubenstein is 1003873126, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mitchell Rubenstein practice?
The practice location on file with NPPES is in Brookline, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-05-31.