Mark Sides, MD
NPI 1861879348 · Medical Oncology Physician · New Orleans, LA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Sides, MD is a Medical Oncology Physician provider in New Orleans, LA (NPI 1861879348).
Provider details
- NPI number
- 1861879348
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- BP10052624 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
168 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 79 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 76 | $76 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 13 | $120 |
Typical Medicare-allowed amounts for these services range $76–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Osimertinib Mesylatebrand: Tagrisso | 75 | — |
| Prochlorperazine Maleate | 24 | 13 |
| Alectinib Hclbrand: Alecensa | 23 | — |
| Mirtazapine | 18 | — |
| Dexamethasone | 16 | — |
| Duloxetine Hcl | 13 | — |
| Apixabanbrand: Eliquis | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$144 across 6 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)
- 301 University BlvdGalveston, TX 77555-0570Phone: (409) 772-7063Fax: (409) 747-8579
Registry dates
- Enumerated
- 2015-05-04
- Last updated
- 2020-07-02
- Certified
- 2020-07-02
Frequently asked questions
- What is Mark Sides's NPI number?
- Mark Sides's National Provider Identifier (NPI) is 1861879348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sides's specialty?
- Mark Sides is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sides located?
- Mark Sides's practice location on file with NPPES is 150 S Robertson St, New Orleans, LA 70112.
- What is Mark Sides's phone number?
- The practice phone number listed in the NPPES registry for Mark Sides is (504) 988-5482.
- Does Mark Sides accept Medicare?
- Mark Sides is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Sides's NPI active?
- Yes — Mark Sides's NPI (1861879348) is active in the NPPES registry as of the last update on 2020-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.