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Family Practice

Alistair W. Co, MD

Works at hospitals in Inverness, FL · Tampa, FL · Crystal River, FL · Florida

Summary

Dr. Alistair W. Co, MD is a family doctor at 10489 N Florida Ave, Citrus Springs, FL 34434. Phone: (352) 489-2486. May accept Medicare assignment. In 2024, Alistair W. Co had 624 Original Medicare patients and 1,708 services. NPI 1194971028. 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 Alistair W. Co, 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 Alistair W. Co accept Medicare assignment?
Medicare's clinician data says Alistair W. Co may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Alistair W. Co see?
In 2024, CMS data shows 624 Original Medicare patients and 1,708 services for Alistair W. Co. This counts Original Medicare only and measures volume, not quality.
What is Alistair W. Co's NPI number?
1194971028. 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 Alistair W. Co, 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 patients624
Services billed to Medicare1,708
Different services or procedures15
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)786 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)493 services
  3. Hospital discharge day management, more than 30 minutes (99239)331 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)80 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%
  • Ischemic heart disease58%
  • Chronic kidney disease56%
  • Arthritis53%
  • Heart failure48%

Hospitals where Alistair W. Co works

Medicare's Facility Affiliation Data lists Alistair W. Co 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.

  • HCA Florida Citrus HospitalInverness, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100023
  • Tampa General HospitalTampa, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100128
  • Tampa General Hospital Crystal RiverCrystal River, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 100249

Practice locations

Addresses where Alistair W. Co is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alistair W. Co as a member of these groups (CMS data updated October 2, 2026).

  • West Florida Medical Associates, PA24 clinicians in the group
  • Nature Coast Geriatric Services LLC14 clinicians in the group

Specialties

Find other Family Practice doctors in Florida →

Other family doctors in Florida

Clinicians with the same Medicare primary specialty in Florida — not a recommendation.

All family doctors in Florida →

Other clinicians in West Florida Medical Associates, PA

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

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1194971028
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