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Cardiovascular Disease (Cardiology)

Katharine A. Manning, MD

Works at hospitals in Lewiston, ME · Augusta, ME · Portland, ME … · Maine, New Hampshire

Summary

Dr. Katharine A. Manning, MD is a cardiologist at 22 Bramhall St, Portland, ME 04102. Phone: (207) 921-5700. Accepts Medicare assignment. In 2024, Katharine A. Manning had 694 Original Medicare patients and 1,086 services. NPI 1184038713. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Katharine A. Manning, 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 Katharine A. Manning accept Medicare assignment?
Yes. Medicare's clinician data says Katharine A. Manning 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 Katharine A. Manning see?
In 2024, CMS data shows 694 Original Medicare patients and 1,086 services for Katharine A. Manning. This counts Original Medicare only and measures volume, not quality.
What is Katharine A. Manning's NPI number?
1184038713. 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 Katharine A. Manning, 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 patients694
Services billed to Medicare1,086
Different services or procedures19
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)531 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)210 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)190 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)55 services
  5. Heart rhythm review and interpretation of continous external ekg over 8-15 days (93248)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 blood pressure75%
  • High cholesterol72%
  • Heart failure59%
  • Ischemic heart disease52%
  • Arthritis46%
  • Atrial fibrillation44%

Hospitals where Katharine A. Manning works

Medicare's Facility Affiliation Data lists Katharine A. Manning 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 Katharine A. Manning is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katharine A. Manning as a member of this group (CMS data updated October 2, 2026).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Maine →

Other cardiologists in Portland

Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.

All cardiologists in Portland →

Other clinicians in MaineHealth

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

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1184038713
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