Physician Profile
Regan Bergmark, M.D.
Unclaimed ProfileAbout Dr. Bergmark
Based in Boston, MA, Regan Bergmark, M.D. is listed in the NPI registry under otolaryngology (ent). Regan graduated from Harvard Medical School in 2011. Medicare claims data shows Regan provided 585 services to 463 patients. The services billed most often include diagnostic exam of nasal passages using an endoscope, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (617) 523-7900
- Email not available
Practice Locations
243 CHARLES ST
Boston, MA 02114
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
585 services · 463 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
244 | More often than most peers in Otolaryngology (ENT) |
| Biopsy or removal of nasal polyp or tissue using an endoscope | Procedure | 31237 |
44 | More often than most peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
39 | As often as other peers in Otolaryngology (ENT) |
| Computer-assisted procedure outside membrane covering brain | Procedure | 61782 |
17 | As often as other peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
12 | As often as other peers in Otolaryngology (ENT) |
| Control of bleeding of nose using an endoscope | Procedure | 31238 |
12 | |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
86 | More often than most 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 |
72 | As often as other 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 |
29 | |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
16 |
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 5
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 — 29 related providers in 4 groups
Other otolaryngology specialists in Boston 5
Same specialty, same city.
Trained at Harvard Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Harvard Medical School 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 does Regan Bergmark specialize in?
Regan Bergmark is an otolaryngology (ent) in Boston, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Regan Bergmark located?
Regan Bergmark is listed at 243 Charles St, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Regan Bergmark's phone number?
The number on file is (617) 523-7900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Regan Bergmark?
Regan Bergmark's National Provider Identifier is 1104110683. 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 Regan Bergmark train?
Regan Bergmark attended Harvard Medical School, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Regan Bergmark have?
Regan Bergmark has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What does Regan Bergmark do most often?
According to Medicare billing data, Regan Bergmark performs procedures including diagnostic exam of nasal passages using an endoscope, biopsy or removal of nasal polyp or tissue using an endoscope and diagnostic exam of voice box using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Regan Bergmark's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Regan Bergmark. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.