Mark Fisher, MD
NPI 1609961937 · Rheumatology Physician · Haddon Heights, NJ
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Fisher, MD is a Rheumatology Physician provider in Haddon Heights, NJ (NPI 1609961937).
Provider details
- NPI number
- 1609961937
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MA02906700 (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
1,155 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 | 451 | $133 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 215 | $138 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 181 | $30 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 161 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 66 | $87 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 178 | 40 |
| Methotrexate Sodiumbrand: Methotrexate | 132 | 32 |
| Tizanidine Hcl | 54 | 13 |
| Leflunomide | 41 | 12 |
| Allopurinol | 37 | 12 |
| Hydroxychloroquine Sulfate | 37 | — |
| Famotidine | 34 | 12 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$335 across 22 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
- 2006-10-03
- Last updated
- 2010-06-18
Frequently asked questions
- What is Mark Fisher's NPI number?
- Mark Fisher's National Provider Identifier (NPI) is 1609961937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Fisher's specialty?
- Mark Fisher is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Fisher located?
- Mark Fisher's practice location on file with NPPES is 713 Station Ave, Haddon Heights, NJ 08035-1648.
- What is Mark Fisher's phone number?
- The practice phone number listed in the NPPES registry for Mark Fisher is (856) 547-8004.
- Does Mark Fisher accept Medicare?
- Mark Fisher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Fisher's NPI active?
- Yes — Mark Fisher's NPI (1609961937) is active in the NPPES registry as of the last update on 2010-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.