Brian Chalmers, M.D.
NPI 1295141539 · Orthopaedic Surgery Physician · New York, NY
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Chalmers, M.D. is a Orthopaedic Surgery Physician provider in New York, NY (NPI 1295141539).
Provider details
- NPI number
- 1295141539
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 59346 (MN)
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
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,818 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 337 | $188 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 320 | $144 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 197 | $1,494 |
| Computer-Assisted Surgery for Muscle and Bone Procedure20985 | 196 | $164 |
| Musculoskeletal Surgical Navigational Orthopedic Operation Using Imaging Guidance0055T | 176 | $185 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 163 | 92 |
| Diclofenac Sodium | 87 | 46 |
| Amoxicillin | 67 | 36 |
| Oxycodone Hcl | 43 | 35 |
| Pantoprazole Sodium | 21 | 18 |
| Methylprednisolone | 20 | 20 |
| Celecoxib | 17 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36,569 across 42 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
Registry dates
- Enumerated
- 2014-07-08
- Last updated
- 2021-04-22
- Certified
- 2021-04-22
Frequently asked questions
- What is Brian Chalmers's NPI number?
- Brian Chalmers's National Provider Identifier (NPI) is 1295141539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Chalmers's specialty?
- Brian Chalmers is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Chalmers located?
- Brian Chalmers's practice location on file with NPPES is 535 E 70th St, New York, NY 10021-4823.
- What is Brian Chalmers's phone number?
- The practice phone number listed in the NPPES registry for Brian Chalmers is (212) 606-1999.
- Does Brian Chalmers accept Medicare?
- Brian Chalmers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Chalmers's NPI active?
- Yes — Brian Chalmers's NPI (1295141539) is active in the NPPES registry as of the last update on 2021-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.