Zachary Trzaska, MD
Cardiovascular Disease Physician · Portland, ME
Zachary Trzaska, MD is a cardiovascular disease physician with a practice address in Portland, Maine, and NPI 1053510768, issued on Jul 12, 2007. Check the license (Maine MD18556, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Zachary Trzaska
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- MD18556 ME
EC071073 ME
Self-reported in NPPES; status is on the state search - Practice location
- 22 Bramhall St, Portland, ME 04102
- Phone
- (207) 662-7060
- Enumerated
- Jul 12, 2007
- Record last updated
- Apr 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101101001190); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 147 in Maine → Look up another NPI →
Also registered at 22 Bramhall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
- Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
- Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
- Joshua Abrams, PA-CSurgical Physician Assistant1932832128
- Christopher Abruzzese, D.OAnesthesiology Physician1558789305
- Haley Acker, PA-CPhysician Assistant1972167377
Verify Zachary Trzaska in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD18556Check 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 cardiovascular disease physician in 2024
1,700 Medicare Part D claims for 379 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Metoprolol Succinate238 claims
- Eliquis203 claims
- Furosemide133 claims
- Rosuvastatin Calcium93 claims
- Entresto86 claims
- Atorvastatin Calcium67 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.
3 hospitals and group practices
- Maine Coast Regional Health FacilitiesEllsworth, ME
- Mount Desert Island HospitalBar Harbor, ME · Critical Access Hospitals
- The Blue Hill Memorial HospitalBlue Hill, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Zachary Trzaska among 147 cardiovascular disease physician records in Maine
Zachary Trzaska, MD is one of 147 cardiovascular disease physician records with a practice address in Maine. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2007 · median 2004 among the 103 with a school on file
- Record last updated2019 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Maine
There are 147 cardiovascular disease physician records in Maine.
All 147 in Maine → Every provider in Portland → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Bram Geller, M.D.Portland, ME 041021275828311
- Sebastian Jablonski, D.O.Portland, ME 041021093151094
- Adam Karpman, D.O.Portland, ME 041021093002750
- Terence Lee, MDPortland, ME 041021457094393
- Cashel O'Brien, DOPortland, ME 041021093275612
- Mikhail Romashko, MDPortland, ME 041021427407931
- Benjamin Starobin, M.D.Portland, ME 041021457715690
- Craig Brett, M.D.Portland, ME 041011841270535
Common questions
What is Zachary Trzaska, MD's NPI number?
Zachary Trzaska, MD's National Provider Identifier (NPI) is 1053510768, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Trzaska, MD located?
The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-7060. Providers update this record themselves, so call before visiting.
How can I verify Zachary Trzaska, MD's license?
NPPES lists Maine license number MD18556, 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 Zachary Trzaska, MD prescribe under Medicare Part D?
In 2024, Zachary Trzaska, MD had 1,700 Medicare Part D claims for 379 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.