Mark Brown, M.D.
NPI 1023024395 · Otolaryngology Physician · Concord, MA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Brown, M.D. is a Otolaryngology Physician provider in Concord, MA (NPI 1023024395).
Provider details
- NPI number
- 1023024395
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 79299 (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
1,224 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 268 | $103 |
| Removal of Impacted Ear Wax69210 | 266 | $54 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 156 | $125 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 130 | $145 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 115 | $188 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 143 | 74 |
| Azelastine Hcl | 48 | 21 |
| Ipratropium Bromide | 40 | 21 |
| Methylprednisolone | 34 | 33 |
| Neomycin/Polymyxin B/Hydrocortbrand: Neomycin-Polymyxin-Hydrocort | 33 | 28 |
| Omeprazole | 22 | 17 |
| Cefdinir | 17 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2022-11-16
- Certified
- 2022-11-16
Frequently asked questions
- What is Mark Brown's NPI number?
- Mark Brown's National Provider Identifier (NPI) is 1023024395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Brown's specialty?
- Mark Brown is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Brown located?
- Mark Brown's practice location on file with NPPES is 54 Baker Avenue Ext Ste 303, Concord, MA 01742-2139.
- What is Mark Brown's phone number?
- The practice phone number listed in the NPPES registry for Mark Brown is (978) 369-8780.
- Does Mark Brown accept Medicare?
- Mark Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Brown's NPI active?
- Yes — Mark Brown's NPI (1023024395) is active in the NPPES registry as of the last update on 2022-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.