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WHSP MEDICAL PC
NPI 1225826712
Clinic/Center - Multi-Specialty in Brighton, MA

Active since April 25, 2025CLIA 22D2341551 · Waiver
20 GUEST ST STE 200, BRIGHTON, MA 02135(215) 694-7158 Get Directions Write a Review

NPPES record last updated: May 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Whsp Medical Pc NPPES

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

WHSP MEDICAL PC (NPI 1225826712) is a healthcare organization registered as a multi-specialty in Brighton, Massachusetts and active in the NPI registry since April 2025. The organization holds a CLIA Waiver certificate valid through April 2, 2028 and lists Kathryn E Ackerman, President, as its authorized official.

NPPES Registry Identity

NPI1225826712
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameWHSP MEDICAL PC
Location Address20 GUEST ST STE 200Brighton, MA 02135-2040
Mailing Address20 Guest St Ste 200Brighton, MA 02135-2040
Phone(215) 694-7158
Organization SubpartNo
Authorized OfficialKathryn E AckermanPresident · (215) 694-7158
Enumeration DateApril 25, 2025
Last NPPES UpdateMay 6, 2025
NPPES CertifiedMay 6, 2025
✔ NPI 1225826712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
Also ListedDietitian, RegisteredTaxonomy 133V00000X
Also ListedInternal Medicine · Sports MedicineTaxonomy 207RS0010X
20 GUEST ST STE 200, Brighton, MA 02135
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Whsp Medical Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Whsp Medical PC, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 8 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Kathryn Ackerman, M.D.
Sports Medicine
NPI 1124046644
20 GUEST ST STE 200
Brighton, MA 02135
(617) 362-6450
✔ PECOS✔ Accepts MedicareSame address
Laura Reece, MS RD CSSD LDN
Registered Dietitian or Nutrition Professional
NPI 1649655721
20 GUEST ST STE 200
Brighton, MA 02135
(617) 475-0496
Same address
Caroline Robinson, MPH, RD
Registered Dietitian or Nutrition Professional
NPI 1437035896
20 GUEST ST STE 200
Brighton, MA 02135
(617) 475-0496
Same address
Zainab Shirazi
Physical Medicine and Rehabilitation
NPI 1639798739
20 GUEST ST STE 200
Brighton, MA 02135
(617) 475-0496
✔ PECOS✔ Accepts MedicareSame address
Maddie Barron, PSY.D.
Clinical Psychologist
NPI 1154798668
20 GUEST ST STE 200
Brighton, MA 02135
(617) 362-6450
✔ PECOSSame address
Ellen Geminiani, M.D.
Sports Medicine
NPI 1457312472
319 LONGWOOD AVE CHILDREN'S HOSPITAL
Boston, MA 02115
(617) 355-6028
✔ PECOS✔ Accepts Medicare2.5 mi
Catherine Gardiner, MD
Internal Medicine
NPI 1922666288
300 LONGWOOD AVE
Boston, MA 02115
(617) 355-6000
✔ PECOS2.5 mi
Nicole Farnsworth, RD, LDN
Registered Dietitian or Nutrition Professional
NPI 1861982969
1492 HIGHLAND AVE STE 4
Needham, MA 02492
(781) 343-1496
7.0 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 22D2341551

Whsp Medical PC · Boston, MA
Active · expires Apr 2, 2028
CLIA Number22D2341551
Laboratory TypePhysician Office
Certificate Effective DateApril 3, 2026
Certificate Expiration DateApril 2, 2028
Laboratory DirectorKathryn E. Ackerman
Laboratory Phone(617) 362-6450
Laboratory LocationWhsp Medical PC20 Guest Street Suite 200, Boston, MA 02135
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

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 Whsp Medical PC's NPI number?

The NPI number for Whsp Medical PC is 1225826712. It was assigned to this organization in the NPPES registry on April 25, 2025.

Where is Whsp Medical PC located?

Whsp Medical PC is located at 20 Guest St Ste 200, Brighton, MA 02135. The listed phone number is (215) 694-7158.

What is Whsp Medical PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Is Whsp Medical PC enrolled in Medicare?

Yes. Whsp Medical PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Whsp Medical PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 5 Medicare specialties reassign their Medicare billing to Whsp Medical PC. A 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 the clinician's services. The largest specialties are Registered Dietitian or Nutrition Professional (3), Sports Medicine (2) and Clinical Psychologist (1). Of these, 5 practice at this address and 8 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Whsp Medical PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D2341551) is associated with this NPI, valid through April 2, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Whsp Medical PC was last updated on May 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.