Chandler W. Marietta, MD
Otolaryngology Physician · Laconia, NH
Chandler W. Marietta, MD is an otolaryngology physician with a practice address in Laconia, New Hampshire, and NPI 1568477982, issued on Jul 31, 2006. Check the license (New Hampshire 15543, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Chandler W. Marietta
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- 15543 NH
T0557 NH
104228 MN
Self-reported in NPPES; status is on the state search - Practice location
- 85 Spring Street, Laconia, NH 03246
- Phone
- (603) 524-7402
- Enumerated
- Jul 31, 2006
- Record last updated
- Aug 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (603) 524-0945
- Medicaid ID
- 3077638 NH
- Medicare enrollment
- Enrolled (PECOS I20111223000070); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2004
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 54 in New Hampshire → Look up another NPI →
Also registered at 85 Spring Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fady Abou Rizk, MDPulmonary Disease Physician1518124189
- Robert Lootens, M.D.Cardiovascular Disease Physician1679565980
Verify Chandler W. Marietta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 15543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average otolaryngology physician in 2024
641 Medicare Part D claims for 157 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Fluticasone Propionate143 claims
- Azelastine Hcl117 claims
- Ciprofloxacin Hcl54 claims
- Montelukast Sodium49 claims
- Ciprofloxacin-Dexamethasone43 claims
- Prednisolone Acetate42 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): 89.4 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 2 group practices
- Concord Hospital IncConcord, NH
- Concord Hospital-LaconiaLaconia, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chandler W. Marietta among 54 otolaryngology physician records in New Hampshire
Chandler W. Marietta, MD is one of 54 otolaryngology physician records with a practice address in New Hampshire. 76% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 24% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 1999 among the 34 with a school on file
- Record last updated2020 · 67% 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in New Hampshire
There are 54 otolaryngology physician records in New Hampshire.
All 54 in New Hampshire → Every provider in Laconia → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Mark KellyLaconia, NH 032461427016633
- Jason Mangiardi, M.D.Laconia, NH 032461144410325
- Carly Schrage, MDLaconia, NH 032461063778363
- Patrick Stevens, M.D.Laconia, NH 032461992024533
- Mark Carwell, MDConcord, NH 033011861462004
- Holly Caten, MDConcord, NH 033011952763567
- Thomas Chasse, M.D.Concord, NH 033011811954712
- Christopher Daniell, MDConcord, NH 033011073583217
Common questions
What is Chandler W. Marietta, MD's NPI number?
Chandler W. Marietta, MD's National Provider Identifier (NPI) is 1568477982, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chandler W. Marietta, MD located?
The NPPES record lists a practice address at 85 Spring Street, Laconia, NH, 03246. Phone: (603) 524-7402. Providers update this record themselves, so call before visiting.
How can I verify Chandler W. Marietta, MD's license?
NPPES lists New Hampshire license number 15543, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chandler W. Marietta, MD prescribe under Medicare Part D?
In 2024, Chandler W. Marietta, MD had 641 Medicare Part D claims for 157 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Chandler W. Marietta, MD's MIPS final score?
The 2023 MIPS final score is 89.4 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.