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Edit this profileAt a glance
- 35 Pearl St Ste 100, Brockton, MA 02301
About Dr. O'brien
Douglas A. O'Brien, M.D. practices otolaryngology (ent) in Brockton, MA. Douglas is a 1996 graduate of Perelman School of Med at the University of Pennsylvania. Medicare claims data shows Douglas provided 413 services to 337 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, diagnostic exam of nasal passages using an endoscope, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1245298629.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (508) 588-8034
- Email not available
Practice Locations
35 PEARL ST STE 100
Brockton, MA 02301
Conditions Commonly Evaluated or Treated
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Balance
Ear and hearing
- Cholesteatoma
- Eustachian tube dysfunction
- Hearing loss
- Otosclerosis
- Perforated eardrum
- Swimmer's ear
Head, neck, and salivary
Nose and sinus
- Broken nose
- Deviated septum
- Loss or reduction of smell
- Nasal obstruction
- Nasal polyps
- Nosebleeds
- Seasonal allergies
Sleep and airway
Throat and voice
- Enlarged adenoids
- Globus sensation
- Hoarseness and voice change
- Laryngopharyngeal reflux
- Swallowing difficulties
- Vocal cord nodules
- Vocal cord paralysis
Cancer
Head & Neck
Throat & Voice
Procedures & services
Most searched procedures
Office diagnosis
Cosmetic
Ear & Hearing
Ear procedures
Head & Neck
Head and neck surgery
- Neck lymph-node dissection
- Parathyroid surgery
- Parotid gland surgery
- Thyroid removal surgery
- Voice-box removal
Nose & Sinus
Nose and sinus procedures
Sleep and airway
Throat & Voice
Throat, voice, and swallowing
Procedures Most Often Billed to Medicare
413 services · 337 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
97 | More often than most peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
27 | Less often than most peers in Otolaryngology (ENT) |
| Removal of impacted ear wax | Procedure | 69210 |
23 | Less often than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
125 | As often as other peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
65 | As often as other peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
49 | Less often than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
15 | Less often than most peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
12 | Less often than most peers in Otolaryngology (ENT) |
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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 Perelman School of Med at the University of Pennsylvania 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Perelman School of Med at the University of Pennsylvania 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of nasal passages using an endoscope 8
Providers in MA who bill this service to Medicare most often.
Common questions
What is Douglas A. O'Brien's specialty?
Douglas A. O'Brien is an otolaryngology (ent) in Brockton, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Douglas A. O'Brien?
Douglas A. O'Brien is listed at 35 Pearl St Ste 100, Brockton, MA 02301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Douglas A. O'Brien?
The number on file is (508) 588-8034. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Douglas A. O'Brien?
Douglas A. O'Brien's National Provider Identifier is 1245298629. 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
What is Douglas A. O'Brien's education?
Douglas A. O'Brien attended Perelman School of Med at the University of Pennsylvania, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Douglas A. O'Brien have?
Douglas A. O'Brien has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Douglas A. O'Brien known for?
According to Medicare billing data, Douglas A. O'Brien performs procedures including diagnostic exam of nasal passages using an endoscope, diagnostic exam of voice box using a flexible endoscope and removal of impacted ear wax, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Douglas A. O'Brien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Douglas A. O'Brien. If this is you, claiming it is free.
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