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Diagnostic Radiology

Annie Kalapparambath, MD

Works at hospitals in Bay City, MI · Caro, MI · Mount Clemens, MI … · Michigan

Summary

Dr. Annie Kalapparambath, MD is a radiologist at 1375 N Main St, Lapeer, MI 48446. Phone: (810) 667-5500. Accepts Medicare assignment. In 2024, Annie Kalapparambath had 858 Original Medicare patients and 23,829 services. NPI 1235349234. 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: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 1375 N Main St, Lapeer, MI 48446 · Directions (1 more location)
  • Phone: (810) 667‑5500
  • Medicare: Accepts Medicare assignment
  • Hospitals: McLaren Bay Region, McLaren Caro Region, McLaren Macomb and 2 more
  • Group practice: McLaren Hospital Group
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Annie Kalapparambath, 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 Annie Kalapparambath accept Medicare assignment?
Yes. Medicare's clinician data says Annie Kalapparambath 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 Annie Kalapparambath see?
In 2024, CMS data shows 858 Original Medicare patients and 23,829 services for Annie Kalapparambath. This counts Original Medicare only and measures volume, not quality.
What is Annie Kalapparambath's NPI number?
1235349234. 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 Annie Kalapparambath, 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 patients858
Services billed to Medicare23,829
Different services or procedures109
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)19,918 services
  2. Injection, gadoterate meglumine, 0.1 ml (A9575)1,920 services
  3. Ct scan of chest without contrast (71250)221 services
  4. Ct scan of abdomen and pelvis without contrast (74176)171 services
  5. Ct scan of abdomen and pelvis with contrast (74177)168 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 blood pressure75%
  • High cholesterol75%
  • Arthritis55%
  • Ischemic heart disease40%
  • Diabetes36%
  • Chronic kidney disease33%

Hospitals where Annie Kalapparambath works

Medicare's Facility Affiliation Data lists Annie Kalapparambath 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.

  • McLaren Bay RegionBay City, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230041
  • McLaren Caro RegionCaro, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231329
  • McLaren MacombMount Clemens, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230227
  • McLaren OaklandPontiac, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230207
  • McLaren Thumb RegionBad Axe, MI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 231340

Practice locations

Addresses where Annie Kalapparambath is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Annie Kalapparambath as a member of this group (CMS data updated October 2, 2026).

  • McLaren Hospital Group375 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Michigan →

Other radiologists in Lapeer

Clinicians with the same Medicare primary specialty in Lapeer, MI — not a recommendation.

All radiologists in Lapeer →

Other clinicians in McLaren Hospital Group

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235349234
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