G. Parker Chamberlin, MD
Otolaryngology Physician · Rockport, ME
G. Parker Chamberlin, MD is an otolaryngology physician with a practice address in Rockport, Maine, and NPI 1811932726, issued on Jun 17, 2006. Check the license (Maine 17209, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- G. Parker Chamberlin
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 17209 ME
Self-reported in NPPES; status is on the state search - Practice location
- 4 Glen Cove Dr, Rockport, ME 04856
- Phone
- (207) 593-5727
- Enumerated
- Jun 17, 2006
- Record last updated
- Jan 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (207) 593-5338
- Medicare enrollment
- Enrolled (PECOS I20060911000521); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 53 in Maine → Look up another NPI →
Also registered at 4 Glen Cove Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Denise Anderson, D.O.Internal Medicine Physician1740486034
- Alice Androkites, MDDermatology Physician1053406827
- Richard Beauchesne, M.D.Orthopaedic Surgery Physician1245274604
- Susan Bell, NPFamily Nurse Practitioner1639570310
- David Bradeen, MDHospitalist Physician1417998063
- Douglas Cole, MDSurgery Physician1285621359
Verify G. Parker Chamberlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 17209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average otolaryngology physician in 2024
298 Medicare Part D claims for 132 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Ipratropium Bromide56 claims
- Levothyroxine Sodium29 claims
- Dupixent Pen24 claims
- Mupirocin21 claims
- Amoxicillin-Clavulanate Potass18 claims
- Ciprofloxacin-Dexamethasone17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- MainehealthRockport, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
G. Parker Chamberlin among 53 otolaryngology physician records in Maine
G. Parker Chamberlin, MD is one of 53 otolaryngology physician records with a practice address in Maine. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 45% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1998 · median 2006 among the 27 with a school on file
- Record last updated2012 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Maine
There are 53 otolaryngology physician records in Maine.
All 53 in Maine → Every provider in Rockport → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Charles Kava, D.O.Rockport, ME 048561043310931
- William Chasse, MDWaterville, ME 049011811094220
- Karen Miller, M.D.Belfast, ME 049151386828960
- Michael Joseph, MDFarmington, ME 049381629086657
- Paul Krivitsky, M.D.Presque Isle, ME 047691184707564
- Osama El Silimy, MDCaribou, ME 047361992877013
- Tyler Patrick, DOEllsworth, ME 046051932600145
- Davor Sklizovic, M.D.Ellsworth, ME 046051740369222
Common questions
What is G. Parker Chamberlin, MD's NPI number?
G. Parker Chamberlin, MD's National Provider Identifier (NPI) is 1811932726, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is G. Parker Chamberlin, MD located?
The NPPES record lists a practice address at 4 Glen Cove Dr, Rockport, ME, 04856. Phone: (207) 593-5727. Providers update this record themselves, so call before visiting.
How can I verify G. Parker Chamberlin, MD's license?
NPPES lists Maine license number 17209, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does G. Parker Chamberlin, MD prescribe under Medicare Part D?
In 2024, G. Parker Chamberlin, MD had 298 Medicare Part D claims for 132 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is G. Parker Chamberlin, MD's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.