Quick answers
- Does Mark F. Costello Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Mark F. Costello Iii 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 Mark F. Costello Iii see?
- In 2024, CMS data shows 247 Original Medicare patients and 2,169 services for Mark F. Costello Iii. This counts Original Medicare only and measures volume, not quality.
- What is Mark F. Costello Iii's NPI number?
- 1619587987. 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 Mark F. Costello Iii, 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 patients | 247 |
|---|---|
| Services billed to Medicare | 2,169 |
| Different services or procedures | 105 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,490 services
- Emergency department visit with high level of medical decision making (99285)62 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)51 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)46 services
- Emergency department visit with moderate level of medical decision making (99284)38 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 pressure74%
- Arthritis45%
- Ischemic heart disease38%
- Anxiety30%
- Atrial fibrillation28%
Hospitals where Mark F. Costello Iii works
Medicare's Facility Affiliation Data lists Mark F. Costello Iii 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.
- Albany Medical Center HospitalAlbany, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330013
Practice locations
Addresses where Mark F. Costello Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 211 Church StSaratoga Springs, NY 12866
- 3040 Route 50Saratoga Springs, NY 12866
- 3044 Route 50Saratoga Springs, NY 12866 (518) 886‑5800
- 6 Medical Park DrMalta, NY 12020 (518) 289‑2020
Group practices
Medicare enrollment lists Mark F. Costello Iii as a member of these groups (CMS data updated October 2, 2026).
- Saratoga Hospital356 clinicians in the group
- Healthcare Partners of Saratoga Ltd71 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Saratoga Springs
Clinicians with the same Medicare primary specialty in Saratoga Springs, NY — not a recommendation.
Other clinicians in Saratoga Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619587987 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians