NPPES file of Aug 9, 2026

Karen Jacobs, OTR

Specialist · Boston, MA

Karen Jacobs, OTR is a specialist with a practice address in Boston, Massachusetts, and NPI 1528183985, issued on Mar 21, 2007. Check the license (Massachusetts 204, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528183985
Name
Karen Jacobs
Credential
OTR
Primary taxonomy
Specialist 174400000X
License number
204 MA
Self-reported in NPPES; status is on the state search
Practice location
635 Commonwealth Ave, Boston, MA 02215
Phone
(617) 353-7516
Enumerated
Mar 21, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(617) 353-2926
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest specialist records → All 1,096 in Massachusetts → Look up another NPI →

Also registered at 635 Commonwealth Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

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  2. Alison BarahonaAthletic Trainer1982234654
  3. Korey BlodgettAthletic Trainer1720618556
  4. Alison Books, MS, RD, LDNRegistered Dietitian1568512671
  5. Emily Borders, DPTPhysical Therapist1801679683
  6. Emily Briggs, OT, OTD, OTR/LMental Health Occupational Therapist1700704830

Verify Karen Jacobs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 204    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Karen Jacobs among 1,096 specialist records in Massachusetts

Karen Jacobs, OTR is one of 1,096 specialist records with a practice address in Massachusetts. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 31% of them.

  • NPI issued2007 · 31% of these records are older, 54% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · 12% of these records are
  • Record last updated2007 · 82% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Massachusetts

There are 1,096 specialist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,096 in Massachusetts → Every provider in Boston → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Jad Farhoud, MDBoston, MA 022151477476364
  2. Scott Hamelin, OTR/LBoston, MA 022151427359579
  3. Merav Hecht, M.D.Boston, MA 022151568650547
  4. Antoine Kaldany, M.D.Boston, MA 022151104973585
  5. Natasha Kekre, MDBoston, MA 022151992132138
  6. Henry Koziel, M.D.Boston, MA 022151306875430
  7. Xiuning Le, M.D.Boston, MA 022151720399074
  8. Jeffrey Mosko, MDBoston, MA 022151346670353

Common questions

What is Karen Jacobs, OTR's NPI number?

Karen Jacobs, OTR's National Provider Identifier (NPI) is 1528183985, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karen Jacobs, OTR located?

The NPPES record lists a practice address at 635 Commonwealth Ave, Boston, MA, 02215. Phone: (617) 353-7516. Providers update this record themselves, so call before visiting.

How can I verify Karen Jacobs, OTR's license?

NPPES lists Massachusetts license number 204, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.