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Clinical Psychologist

Jennifer D. Ragan

Works at hospitals in Boston, MA · Massachusetts

Summary

Jennifer D. Ragan is a clinical psychologist at 40 2nd Ave, Waltham, MA 02451. Phone: (781) 487-2900. Accepts Medicare assignment. In 2024, Jennifer D. Ragan had 17 Original Medicare patients and 103 services. NPI 1629185004. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical psychologist
  • Address: 40 2nd Ave, Waltham, MA 02451 · Directions (1 more location)
  • Phone: (781) 487‑2900
  • Medicare: Accepts Medicare assignment
  • Hospital: Massachusetts General Hospital
  • Group practice: The General Hospital Corporation
  • School: graduated 2005
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer D. Ragan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jennifer D. Ragan accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer D. Ragan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jennifer D. Ragan see?
In 2024, CMS data shows 17 Original Medicare patients and 103 services for Jennifer D. Ragan. This counts Original Medicare only and measures volume, not quality.
What is Jennifer D. Ragan's NPI number?
1629185004. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jennifer D. Ragan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients17
Services billed to Medicare103
Different services or procedures5
Participating Medicare providerYes
Average age of these patients62

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Anxiety75%
  • Depression71%
  • High cholesterol65%

Hospitals where Jennifer D. Ragan works

Medicare's Facility Affiliation Data lists Jennifer D. Ragan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Jennifer D. Ragan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer D. Ragan as a member of this group (CMS data updated October 2, 2026).

  • The General Hospital Corporation1,267 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, Massachusetts →

Other clinical psychologists in Waltham

Clinicians with the same Medicare primary specialty in Waltham, MA — not a recommendation.

All clinical psychologists in Waltham →

Other clinicians in The General Hospital Corporation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2005
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1629185004
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians