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Obstetrics/Gynecology

Claudia L. Grogean, MD

Works at hospitals in Waterbury, CT · Connecticut

Summary

Dr. Claudia L. Grogean, MD is an OB-GYN at 10 Main St S, Specialists in Womens Healthcare, Southbury, CT 06488. Phone: (203) 754-2535. Accepts Medicare assignment. In 2024, Claudia L. Grogean had 91 Original Medicare patients and 252 services. NPI 1497945315. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 10 Main St S, Specialists in Womens Healthcare, Southbury, CT 06488 · Directions (1 more location)
  • Phone: (203) 754‑2535
  • Medicare: Accepts Medicare assignment
  • Hospitals: Saint Mary's Hospital, Uconn Health Waterbury Hospital
  • Group practice: Physicians for Women's Health, LLC
  • Medical school: University Of Connecticut School Of Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Claudia L. Grogean, 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 Claudia L. Grogean accept Medicare assignment?
Yes. Medicare's clinician data says Claudia L. Grogean 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 Claudia L. Grogean see?
In 2024, CMS data shows 91 Original Medicare patients and 252 services for Claudia L. Grogean. This counts Original Medicare only and measures volume, not quality.
What is Claudia L. Grogean's NPI number?
1497945315. 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 Claudia L. Grogean, 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 patients91
Services billed to Medicare252
Different services or procedures19
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)54 services
  2. Stool analysis for blood to screen for colon tumors (82270)36 services
  3. Urinalysis, manual test (81002)30 services
  4. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)24 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)22 services

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).

  • High cholesterol68%
  • High blood pressure52%
  • Arthritis45%
  • Anxiety23%
  • Osteoporosis23%
  • Depression21%

Hospitals where Claudia L. Grogean works

Medicare's Facility Affiliation Data lists Claudia L. Grogean 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 Claudia L. Grogean is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Claudia L. Grogean as a member of this group (CMS data updated October 2, 2026).

  • Physicians for Women's Health, LLC318 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Connecticut →

Other OB-GYNs in Southbury

Clinicians with the same Medicare primary specialty in Southbury, CT — not a recommendation.

All OB-GYNs in Southbury →

Other clinicians in Physicians for Women's Health, LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Connecticut School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497945315
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