Zethariah Zielinski, DO
Orthopaedic Surgery Physician · Belfast, ME
Zethariah Zielinski, DO is an orthopaedic surgery physician with a practice address in Belfast, Maine, and NPI 1053935833, issued on Jun 8, 2020. Check the license (Maine DO4125, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Zethariah Zielinski
- Credential
- DO
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- DO4125 ME
Self-reported in NPPES; status is on the state search - Practice location
- 116 Northport Ave Ste 214, Belfast, ME 04915
- Phone
- (207) 505-4398
- Enumerated
- Jun 8, 2020
- Record last updated
- Sep 3, 2025
- Fax
- (207) 560-9920
- Medicare enrollment
- Enrolled (PECOS I20250721002600); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 165 in Maine → Look up another NPI →
Also registered at 116 Northport Ave Ste 214
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Morgan Dube, PA-C, LAT, ATCPhysician Assistant1861990103
- Ashleigh Knoeferl, PA-CPhysician Assistant1235705740
Verify Zethariah Zielinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO4125Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
32 Medicare Part D claims for 19 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 14 claims were for opioids.
Most prescribed
- Oxycodone Hcl11 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.
Industry payments in 2024: $644.67
5 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zethariah Zielinski among 165 orthopaedic surgery physician records in Maine
Zethariah Zielinski, DO is one of 165 orthopaedic surgery physician records with a practice address in Maine. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2020 · median 2001 among the 86 with a school on file
- Record last updated2025 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Maine
There are 165 orthopaedic surgery physician records in Maine.
All 165 in Maine → Every provider in Belfast → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Owen Nelson, MDBelfast, ME 049151093777005
- Vaughn Collett, MDWaterville, ME 049011558367060
- Lisa Sauer, MDWaterville, ME 049011770544793
- Jose Ramirez, M.D.Oakland, ME 049371780605550
- Joseph Caldwell, MDFarmington, ME 049381487684882
- Kenneth Cho, M.D.Farmington, ME 049381609969948
- Andrew CrapserFarmington, ME 049381487141578
- Ian Dickey, M.D.Farmington, ME 049381487625265
Common questions
What is Zethariah Zielinski, DO's NPI number?
Zethariah Zielinski, DO's National Provider Identifier (NPI) is 1053935833, issued on Jun 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Zethariah Zielinski, DO located?
The NPPES record lists a practice address at 116 Northport Ave Ste 214, Belfast, ME, 04915. Phone: (207) 505-4398. Providers update this record themselves, so call before visiting.
How can I verify Zethariah Zielinski, DO's license?
NPPES lists Maine license number DO4125, 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 Zethariah Zielinski, DO prescribe under Medicare Part D?
In 2024, Zethariah Zielinski, DO had 32 Medicare Part D claims for 19 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
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.