Mark Chase, MD
NPI 1699849711 · Orthopaedic Surgery Physician · Glen Ridge, NJ
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Chase, MD is a Orthopaedic Surgery Physician provider in Glen Ridge, NJ (NPI 1699849711).
Provider details
- NPI number
- 1699849711
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MA52391 (NJ)
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
19 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
4,994 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,245 | $138 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 1,096 | $79 |
| X-Ray of Knee, 1-2 Views73560 | 863 | $38 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 374 | $99 |
| X-Ray of Pelvis, 1-2 Views72170 | 292 | $31 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
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 |
|---|---|---|
| Meloxicam | 359 | 165 |
| Methylprednisolone | 267 | 212 |
| Tramadol Hcl | 144 | 92 |
| Diclofenac Sodiumbrand: Diclofenac Sodium Er | 92 | 30 |
| Ibuprofen | 76 | 27 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 54 | 39 |
| Naproxen | 38 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$176 across 2 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
- 2006-11-20
- Last updated
- 2021-04-21
- Certified
- 2021-04-21
Frequently asked questions
- What is Mark Chase's NPI number?
- Mark Chase's National Provider Identifier (NPI) is 1699849711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chase's specialty?
- Mark Chase is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Chase located?
- Mark Chase's practice location on file with NPPES is 311 Bay Ave Ste 203, Glen Ridge, NJ 07028-1607.
- What is Mark Chase's phone number?
- The practice phone number listed in the NPPES registry for Mark Chase is (973) 746-2200.
- Does Mark Chase accept Medicare?
- Mark Chase is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Chase's NPI active?
- Yes — Mark Chase's NPI (1699849711) is active in the NPPES registry as of the last update on 2021-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.