Michael Parentis, M.D.
NPI 1821054057 · Orthopaedic Surgery Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Parentis, M.D. is a Orthopaedic Surgery Physician provider in Williamsville, NY (NPI 1821054057).
Provider details
- NPI number
- 1821054057
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 219537 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
679 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 116 | $63 |
| X-Ray of Knee, 3 Views73562 | 113 | $37 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $84 |
| X-Ray of Knee, 1-2 Views73560 | 70 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $117 |
| Aspiration And/Or Injection of Fluid From Medium Joint20605 | 33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ibuprofen | 64 | 22 |
| Amitriptyline Hcl | 54 | 29 |
| Amoxicillin | 44 | 32 |
| Celecoxib | 43 | 16 |
| Cephalexin | 32 | 27 |
| Tamsulosin Hcl | 32 | 31 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 30 | 27 |
| Meloxicam | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,029 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3712 Southwestern BlvdOrchard Park, NY 14127-1720Phone: (716) 839-5858
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2020-05-21
- Certified
- 2020-05-21
Frequently asked questions
- What is Michael Parentis's NPI number?
- Michael Parentis's National Provider Identifier (NPI) is 1821054057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Parentis's specialty?
- Michael Parentis is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Parentis located?
- Michael Parentis's practice location on file with NPPES is 180 Park Club Ln Ste 225, Williamsville, NY 14221-5260.
- What is Michael Parentis's phone number?
- The practice phone number listed in the NPPES registry for Michael Parentis is (716) 839-5858.
- Does Michael Parentis accept Medicare?
- Michael Parentis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Parentis's NPI active?
- Yes — Michael Parentis's NPI (1821054057) is active in the NPPES registry as of the last update on 2020-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.