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KATHRYN E ACKERMAN M.D.
NPI 1124046644
Internal Medicine - Sports Medicine in Brighton, MA

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment
20 GUEST ST STE 200, BRIGHTON, MA 02135(617) 362-6450(617) 362-6460 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Kathryn E Ackerman M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHRYN E ACKERMAN M.D. (NPI 1124046644) is an individual sports medicine provider in Brighton, Massachusetts, licensed in Massachusetts (228833) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (1998).

NPPES Registry Identity

NPI1124046644
Entity TypeIndividualFemale
Primary Taxonomy207RS0010X
Provider Legal NameKATHRYN E ACKERMANCredential: M.D.
Location Address20 GUEST ST STE 200Brighton, MA 02135-2040
Mailing Address20 Guest St Ste 200Brighton, MA 02135-2040 · (617) 362-6450 · Fax (617) 362-6460
Phone(617) 362-6450
Fax(617) 362-6460
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 1998
Enumeration DateJuly 17, 2006
Last NPPES UpdateSeptember 11, 2025
NPPES CertifiedSeptember 11, 2025
✔ NPI 1124046644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Sports MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0010X
License✔ Licensed in MA · 228833
Definition
An internist trained to be responsible for continuous care in the field of sports medicine, not only for the enhancement of health and fitness, but also for the prevention of injury and illness. A sports medicine physician must have knowledge and experience in the promotion of wellness and the prevention of injury. Knowledge about special areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation, injuries (treatment and prevention and referral practice) and the role of exercise in promoting a healthy lifestyle are essential to the practice of sports medicine. The sports medicine physician requires special education to provide the knowledge to improve the healthcare of the individual.
Also ListedInternal MedicineTaxonomy 207R00000X · License 228833 (MA)
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License 228833 (MA)
20 GUEST ST STE 200, Brighton, MA 02135
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kathryn E Ackerman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698838613
PECOS Enrollment IDI20250807003326
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Kathryn Ackerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Whsp Medical PC
Same address
Multi-Specialty
20 GUEST ST STE 200
Brighton, MA 02135
  • Reassigned Medicare billing, Massachusetts enrollment
  • 8 clinicians in this Medicare group
NPI 1225826712 (215) 694-7158
Children's Hospital Pediatric Associates, Inc
2.5 mi
Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 clinicians in this Medicare group
NPI 1457306664 (617) 355-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MADDIE BARRON PSY.D.
Psychologist
20 GUEST ST STE 200
BRIGHTON, MA 02135
Suffolk County (617) 362-6450
WHSP MEDICAL PC
Clinic/Center (Multi-Specialty)
20 GUEST ST STE 200
BRIGHTON, MA 02135
Suffolk County (215) 694-7158
COURTNEY PECK PA
Physician Assistant
20 GUEST ST STE 200
BRIGHTON, MA 02135
Suffolk County (617) 475-0496
CAROLINE SHEEHY ROBINSON MPH, RD
Dietitian, Registered
20 GUEST ST STE 200
BRIGHTON, MA 02135
Suffolk County (617) 475-0496
ZAINAB SHIRAZI
Physical Medicine & Rehabilitation
20 GUEST ST STE 200
BRIGHTON, MA 02135
Suffolk County (617) 475-0496
LAURA MORETTI REECE MS RD CSSD LDN
Dietitian, Registered
20 GUEST ST STE 200
BRIGHTON, MA 02135
Suffolk County (617) 475-0496

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kathryn Ackerman's NPI number?

The NPI number for Kathryn Ackerman is 1124046644. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Kathryn Ackerman located?

Kathryn Ackerman practices at 20 Guest St Ste 200, Brighton, MA 02135. The listed phone number is (617) 362-6450.

What is Kathryn Ackerman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sports Medicine, with taxonomy code 207RS0010X.

Is Kathryn Ackerman enrolled in Medicare?

Yes. Kathryn Ackerman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kathryn Ackerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Ackerman reassigns Medicare benefits to 2 organizations: Whsp Medical PC (Brighton, MA) and Children's Hospital Pediatric Associates, Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathryn Ackerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kathryn Ackerman was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.