DR. MARK S KAPLAN (M.D.) – Physical Medicine & Rehabilitation Physician, NPI 1720054877

DR. MARK S KAPLAN (M.D.) is a healthcare provider. based in Worcester, Massachusetts. specializing in PHYSICAL MEDICINE AND REHABILITATION, PAIN MANAGEMENT. They hold the professional credentials M.D.. They hold a License No. 79806 (MA). The NPI Number for DR. MARK S KAPLAN (M.D.) is 1720054877

Main info

Male
Sole Proprietor
36 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK S KAPLAN (M.D.)
NPI
1720054877
Phone
(508) 334-9750
Address
119 Belmont St
Enumeration Date
28 February 2006
Last Update Date
21 September 2020

Doctor Profile

Medical School Name
NEW YORK MEDICAL COLLEGE
Secondary Phone
5088347725
Graduation Year
1990 (36 years ago)
PAC ID
9931171519
Group Practice PAC ID
0840688438
Professional Enrollment ID
I20040812001045
Address ID
MA017026265FR475XXSTXX303
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness75
Years active:20State licenses:1Digital endpointsOther names

334 PHYSICAL MEDICINE AND REHABILITATION in MA

Provider Addresses for DR. MARK S KAPLAN (M.D.)

  • 119 Belmont St

    Department of Orthopedic Physical Medicine

    Worcester, MA 016052903

    Phone: (508) 334-9750

    Fax: (508) 334-9762

    Type: Location

  • 21, Lafayette Circle, Wellesley, Norfolk County, Massachusetts, 02428, United States

    WELLESLEY, MA 024824419

    Phone: (781) 237-0855

    Type: Mailing

  • 475 FRANKLIN ST STE 205

    FRAMINGHAM, MA 017026265

    Phone: (617) 513-3960

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-08-12

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040812001045IPhysical Medicine And RehabilitationMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01605)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0840688438View full group profile
NameSpecialtyState
Physical Medicine And RehabilitationMA

Reviews

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Frequently asked questions

Is DR. MARK S KAPLAN (M.D.) listed with a National Provider Identifier?
Yes — DR. MARK S KAPLAN (M.D.) has NPI 1720054877 on file in the registry.
Is DR. MARK S KAPLAN (M.D.) shown as active in public data?
Registry records indicate DR. MARK S KAPLAN (M.D.) maintains an active NPI.
What expertise is attributed to DR. MARK S KAPLAN (M.D.)?
DR. MARK S KAPLAN (M.D.)'s specialty line reads Physical Medicine & Rehabilitation Physician. Clinical services aligned with this taxonomy classification.
Is DR. MARK S KAPLAN (M.D.) located near Worcester?
DR. MARK S KAPLAN (M.D.) currently maps to Worcester, Massachusetts in this extract.
Can I trust this NPI listing for DR. MARK S KAPLAN (M.D.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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