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Family Practice

Calvin W. Martin Jr., MD

Sees patients in Chiefland, FL · Gainesville, FL · Florida

Summary

Dr. Calvin W. Martin Jr., MD is a family doctor at 1315 NW 21st Ave, Chiefland, FL 32626. Phone: (352) 416-1082. Accepts Medicare assignment. In 2024, Calvin W. Martin Jr. had 754 Original Medicare patients and 4,683 services. NPI 1609862234. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1315 NW 21st Ave, Chiefland, FL 32626 · Directions (3 more locations)
  • Phone: (352) 416‑1082
  • Medicare: Accepts Medicare assignment
  • Group practice: Simedhealth LLC
  • Medical school: University Of Florida College Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Calvin W. Martin Jr., 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 Calvin W. Martin Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Calvin W. Martin Jr. 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 Calvin W. Martin Jr. see?
In 2024, CMS data shows 754 Original Medicare patients and 4,683 services for Calvin W. Martin Jr.. This counts Original Medicare only and measures volume, not quality.
What is Calvin W. Martin Jr.'s NPI number?
1609862234. 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 Calvin W. Martin Jr., 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 patients754
Services billed to Medicare4,683
Different services or procedures127
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,450 services
  2. Injection, methylprednisolone sodium succinate, 5 mg (J2919)599 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)552 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)173 services
  5. Automated urinalysis test (81003)97 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%
  • Arthritis57%
  • Diabetes29%
  • Ischemic heart disease29%
  • Chronic kidney disease28%

Practice locations

Addresses where Calvin W. Martin Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Calvin W. Martin Jr. as a member of this group (CMS data updated October 2, 2026).

  • Simedhealth LLC91 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 Simedhealth LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Florida College Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609862234
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians