NPI Portal NPI Lookup & Verification

Dr. Mark A Jackowitz, M.D.

Dr. Mark A Jackowitz is a Specialist provider (Specialist) practicing in Springfield, MA, registered in the NPPES registry with NPI 1508851411 since 2005. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1508851411
Entity type Individual (Type 1)
Name Dr. Mark A Jackowitz
Credential M.D.
Sex Male
Practice address 3640 MAIN ST, SUITE 205, Springfield, MA, 01107
Phone 4137397367
Fax 4137372686
Enumeration date 2005-09-16
Last updated in NPPES 2014-05-23

Taxonomy & licenses

Taxonomy code Specialty Primary License State
174400000X Specialist Primary 57126 MA

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

Other identifiers

Identifier Type State Issuer
0115328 Other MA AETNA GROUP NO.
J06214 Other MA MASS BLUE SHIELD
0034216003 Other MA CIGNA
010057126MA01 Other MA CONNECTICUT BLUE SHIELD
150664 Other MA HARVARD PILGRIM
032587 Other MA CONNECTICARE
0804490 Other MA UNITED HEALTH CARE
13334 Other MA HEALTH NEW ENGLAND
P1500300 Other MA OXFORD HEALTH PLANS
180012328 Other MA RAILROAD MEDICARE
Copy-ready billing details
Provider: Mark Jackowitz, M.D.
NPI: 1508851411
Taxonomy: 174400000X (Specialist)
Address: 3640 MAIN ST, SUITE 205, Springfield, MA, 01107

Other providers at this practice address

NPI Name Type Specialty Location
1164417929 Gregory Faust Individual Specialist Springfield, MA
1396730172 Philip Moraitis Individual Specialist Springfield, MA
1104811769 Ronald Gailun Individual Ophthalmology Physician Springfield, MA
1689660284 Brian Bredvik Individual Specialist Springfield, MA
1205822293 David Agahigian Individual Ophthalmology Physician Springfield, MA
1821078296 Donald Sonn Individual Urology Physician Springfield, MA
1801876271 Raphael Delima Individual Urology Physician Springfield, MA
1598745978 Kammille Oborne Individual Medical Physician Assistant Springfield, MA

Verify this record

Cross-check NPI 1508851411 against the authoritative CMS record: view Dr. Mark A Jackowitz 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

Where does Mark Jackowitz practice?
The practice location on file with NPPES is in Springfield, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Jackowitz?
The National Provider Identifier (NPI) for Mark Jackowitz is 1508851411, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2014-05-23.