Mario Alexander Zacharatos, M.D.
Family Medicine Physician · West Yarmouth, MA
Mario Alexander Zacharatos, M.D. is a family medicine physician with a practice address in West Yarmouth, Massachusetts, and NPI 1831359637, issued on Jun 15, 2008. Check the license (Massachusetts 273629, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mario Alexander Zacharatos
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 273629 MA
Self-reported in NPPES; status is on the state search - Practice location
- 349 Route 28 Ste A, West Yarmouth, MA 02673
- Phone
- (508) 394-2017
- Enumerated
- Jun 15, 2008
- Record last updated
- Apr 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20180529001212); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 349 Route 28 Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Weber, MDInternal Medicine Physician1376572966
- Thomas WrukGeneral Practice Registered Nurse1174378657
Verify Mario Alexander Zacharatos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 273629Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,695 Medicare Part D claims for 437 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 181 claims were for opioids.
Most prescribed
- Atorvastatin Calcium561 claims
- Levothyroxine Sodium316 claims
- Amlodipine Besylate269 claims
- Losartan Potassium262 claims
- Rosuvastatin Calcium220 claims
- Hydrochlorothiazide184 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): 94.7 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).
Industry payments in 2024: $226.68
11 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Physiotherapy Associates IncSouth Dennis, MA
- Value IN Prevention OF Massachusetts LLCWest Yarmouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mario Alexander Zacharatos among 2,265 family medicine physician records in Massachusetts
Mario Alexander Zacharatos, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2003 · median 2006 among the 1,529 with a school on file
- Record last updated2024 · 59% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in West Yarmouth → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rachel Bramson, M.D.Wellfleet, MA 026671437118213
- Patricia Raney, M.D.Wellfleet, MA 026671720176555
- Jacquelyn Lamb, D.O.South Yarmouth, MA 026641740394154
- Peter Ripley, M.D.South Yarmouth, MA 026641497717243
- Jessen Thomas, DOSouth Yarmouth, MA 026641164091088
- Floyd McIntyreSouth Dennis, MA 026601538125166
- Marie Andrine Constant, M.D.Provincetown, MA 026571871747188
- Paul Fader, M.D.Provincetown, MA 026571942205620
Common questions
What is Mario Alexander Zacharatos, M.D.'s NPI number?
Mario Alexander Zacharatos, M.D.'s National Provider Identifier (NPI) is 1831359637, issued on Jun 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mario Alexander Zacharatos, M.D. located?
The NPPES record lists a practice address at 349 Route 28 Ste A, West Yarmouth, MA, 02673. Phone: (508) 394-2017. Providers update this record themselves, so call before visiting.
How can I verify Mario Alexander Zacharatos, M.D.'s license?
NPPES lists Massachusetts license number 273629, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mario Alexander Zacharatos, M.D. prescribe under Medicare Part D?
In 2024, Mario Alexander Zacharatos, M.D. had 7,695 Medicare Part D claims for 437 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mario Alexander Zacharatos, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.7 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.