Michael A. Martella, D.O.
Family Medicine Physician · Port Washington, WI
Michael A. Martella, D.O. is a family medicine physician with a practice address in Port Washington, Wisconsin, and NPI 1194849398, issued on Mar 16, 2007. Check the license (Wisconsin 51612, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael A. Martella
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 51612 WI
242268 NY
Self-reported in NPPES; status is on the state search - Practice location
- 115 Sweetwater Blvd, Port Washington, WI 53074
- Phone
- (920) 476-6400
- Enumerated
- Mar 16, 2007
- Record last updated
- Sep 5, 2023
- Fax
- (262) 725-0630
- Medicare enrollment
- Enrolled (PECOS I20080708000414); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 115 Sweetwater Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Hall, M.D.Family Medicine Physician1992747091
Verify Michael A. Martella in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 51612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average family medicine physician in 2024
2,766 Medicare Part D claims for 350 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 248 claims were for opioids.
Most prescribed
- Atorvastatin Calcium150 claims
- Levothyroxine Sodium105 claims
- Hydrocodone-Acetaminophen89 claims
- Lisinopril82 claims
- Amlodipine Besylate76 claims
- Omeprazole72 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.
Bills Medicare through 4 group practices
- Ascension Medical Group-Southeast Wisconsin IncMenomonee Falls, WI
- Columbia St Marys Hospital Milwaukee IncMilwaukee, WI
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncMenomonee Falls, WI
- Progressive Beginnings, LLCSheboygan, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael A. Martella among 3,765 family medicine physician records in Wisconsin
Michael A. Martella, D.O. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% 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 54% of them.
- NPI issued2007 · 54% of these records are older, 41% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2007 among the 2,347 with a school on file
- Record last updated2023 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 family medicine physician records list a practice address in Port Washington
They are 13 of the 228 NPPES records with a practice address in Port Washington, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Port Washington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Cameron Blegen, M.D.Port Washington, WI 530741548791585
- Sara Bodenhamer, D.O.Port Washington, WI 530741639598584
- John Bonavia, MDPort Washington, WI 530741497716880
- Elizabeth DzwonczykPort Washington, WI 530741427411875
- Christopher Eernisse, D.O..Port Washington, WI 530741558742726
- Mark Fitzsimmons, MDPort Washington, WI 530741639284706
- William Hall, M.D.Port Washington, WI 530741992747091
- Anna Kleyman, D.O.Port Washington, WI 530741720303670
Common questions
What is Michael A. Martella, D.O.'s NPI number?
Michael A. Martella, D.O.'s National Provider Identifier (NPI) is 1194849398, issued on Mar 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Martella, D.O. located?
The NPPES record lists a practice address at 115 Sweetwater Blvd, Port Washington, WI, 53074. Phone: (920) 476-6400. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Martella, D.O.'s license?
NPPES lists Wisconsin license number 51612, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael A. Martella, D.O. prescribe under Medicare Part D?
In 2024, Michael A. Martella, D.O. had 2,766 Medicare Part D claims for 350 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.