Konrad Mark, M.D.
NPI 1912009507 · Neurology Physician · Arlington, MA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Konrad Mark, M.D. is a Neurology Physician provider in Arlington, MA (NPI 1912009507).
Provider details
- NPI number
- 1912009507
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 46998 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
222 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 152 | $186 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 70 | $173 |
Typical Medicare-allowed amounts for these services range $173–$186 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 97 | 28 |
| Topiramate | 44 | 16 |
| Quetiapine Fumarate | 39 | — |
| Lamotrigine | 34 | 11 |
| Fluoxetine Hcl | 17 | — |
| Olanzapine | 17 | — |
| Atorvastatin Calcium | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Konrad Mark's NPI number?
- Konrad Mark's National Provider Identifier (NPI) is 1912009507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Konrad Mark's specialty?
- Konrad Mark is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Konrad Mark located?
- Konrad Mark's practice location on file with NPPES is 6 Mill St, Arlington, MA 02476-4719.
- What is Konrad Mark's phone number?
- The practice phone number listed in the NPPES registry for Konrad Mark is (781) 646-1717.
- Does Konrad Mark accept Medicare?
- Konrad Mark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Konrad Mark's NPI active?
- Yes — Konrad Mark's NPI (1912009507) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.