Physician Profile
Unclaimed ProfileAbout BROWN
Mark Thomas Brown, M.D. is a healthcare provider in Concord, MA specialising in otolaryngology. Mark trained at Baylor College of Medicine, graduating in 1989. Mark is also listed as specialising in otolaryngology (ent).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Brown?
Dr. Brown is an otolaryngology in Concord, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
What is Dr. Brown's address?
Dr. Brown is listed at 54 BAKER AVENUE EXT STE 303, Concord, MA 01742. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Brown?
The number on file is (978) 369-8780. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Brown?
Dr. Brown's National Provider Identifier is 1023024395. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Brown train?
Dr. Brown attended Baylor College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Brown have?
Dr. Brown has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Brown perform?
According to Medicare billing data, Dr. Brown performs procedures including removal of impacted ear wax, diagnostic exam of voice box using a flexible endoscope and diagnostic exam of nasal passages using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Brown's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Brown. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (978) 369-8780
- Email not available
Practice Locations
54 BAKER AVENUE EXT STE 303
Concord, MA 01742
Procedures Most Often Billed to Medicare
1,224 services · 1,080 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
266 |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
80 |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
36 |
| Simple control of nose bleed | Procedure | 30901 |
17 |
| Removal of foreign body in ear canal | Procedure | 69200 |
16 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
268 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
156 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
130 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
115 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
77 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other otolaryngology specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 25 related providers in 4 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 8
Providers in MA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.