Ariel Marks, MD
NPI 1962899906 · Neurology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ariel Marks, MD is a Neurology Physician provider in Boston, MA (NPI 1962899906).
Provider details
- NPI number
- 1962899906
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 278402 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
228 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 110 | $124 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 53 | $181 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 46 | $151 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 19 | $67 |
Typical Medicare-allowed amounts for these services range $67–$181 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 85 | 19 |
| Nortriptyline Hcl | 41 | — |
| Immun Glob G(igg)/Pro/Iga 0-50brand: Privigen | 38 | — |
| Pregabalin | 36 | — |
| Immun Globg(igg)/Malt/Iga Ov50brand: Octagam | 34 | — |
| Amitriptyline Hcl | 33 | — |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,225 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
Registry dates
- Enumerated
- 2015-04-16
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Ariel Marks's NPI number?
- Ariel Marks's National Provider Identifier (NPI) is 1962899906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariel Marks's specialty?
- Ariel Marks is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Ariel Marks located?
- Ariel Marks's practice location on file with NPPES is 725 Albany St, Suite 7b, Boston, MA 02118-3549.
- What is Ariel Marks's phone number?
- The practice phone number listed in the NPPES registry for Ariel Marks is (617) 638-8456.
- Does Ariel Marks accept Medicare?
- Ariel Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ariel Marks's NPI active?
- Yes — Ariel Marks's NPI (1962899906) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.