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Physician Assistant

Callie J. Geeslin, PA

Sees patients in Catskill, NY · Glenmont, NY · Albany, NY … · New York

Summary

Callie J. Geeslin, PA is a physician assistant at 11 Maple Ave, Catskill, NY 12414. Phone: (518) 625-3608. Accepts Medicare assignment. In 2024, Callie J. Geeslin had 101 Original Medicare patients and 173 services. NPI 1144627068. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 11 Maple Ave, Catskill, NY 12414 · Directions (6 more locations)
  • Phone: (518) 625‑3608
  • Medicare: Accepts Medicare assignment
  • Group practice: Wellnow Urgent Care, P.C.
  • School: Rush Medical College Of Rush University · graduated 2021
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Callie J. Geeslin, 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 Callie J. Geeslin accept Medicare assignment?
Yes. Medicare's clinician data says Callie J. Geeslin 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 Callie J. Geeslin see?
In 2024, CMS data shows 101 Original Medicare patients and 173 services for Callie J. Geeslin. This counts Original Medicare only and measures volume, not quality.
What is Callie J. Geeslin's NPI number?
1144627068. 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 Callie J. Geeslin, 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 patients101
Services billed to Medicare173
Different services or procedures29
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)28 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)24 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)19 services
  5. Automated urinalysis test (81003)13 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 cholesterol75%
  • High blood pressure63%
  • Arthritis44%
  • Diabetes31%
  • Ischemic heart disease30%
  • Anxiety28%

Practice locations

Addresses where Callie J. Geeslin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Callie J. Geeslin as a member of this group (CMS data updated October 2, 2026).

  • Wellnow Urgent Care, P.C.392 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in Catskill

Clinicians with the same Medicare primary specialty in Catskill, NY — not a recommendation.

All physician assistants in Catskill →

Other clinicians in Wellnow Urgent Care, P.C.

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

Clinician information

CredentialPA
SchoolRush Medical College Of Rush University
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144627068
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