Greta Seiriol Gania, D.O.
Family Medicine Physician · Malden, MA
Greta Seiriol Gania, D.O. is a family medicine physician with a practice address in Malden, Massachusetts, and NPI 1306225016, issued on May 27, 2015. Check the license (Massachusetts 277309, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Greta Seiriol Gania
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 277309 MA
Self-reported in NPPES; status is on the state search - Practice location
- 178 Savin St Ste 100, Malden, MA 02148
- Phone
- (781) 338-7400
- Enumerated
- May 27, 2015
- Record last updated
- Oct 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (781) 338-7405
- Medicare enrollment
- Enrolled (PECOS I20181119001454); accepts Medicare assignment
- Medical or professional school
- William Carey University College Of Osteopathic Medicine, 2015
- 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 178 Savin St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Constance Cammarata, DOFamily Medicine Physician1467958629
- Latoya Etheridge, M.D.Family Medicine Physician1972762821
- Kristyn Newhall, MDFamily Medicine Physician1275760027
- Sharon Phillips, M.D.Family Medicine Physician1285868976
- Emily Sy, NPFamily Nurse Practitioner1437501814
Verify Greta Seiriol Gania in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 277309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average family medicine physician in 2024
2,484 Medicare Part D claims for 276 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 76 claims were for opioids.
Most prescribed
- Atorvastatin Calcium235 claims
- Amlodipine Besylate126 claims
- Levothyroxine Sodium121 claims
- Lisinopril106 claims
- Losartan Potassium105 claims
- Metoprolol Succinate93 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: $21.67
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. 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 one group practice
- Hallmark Health Medical Associates IncMalden, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Greta Seiriol Gania among 2,265 family medicine physician records in Massachusetts
Greta Seiriol Gania, D.O. 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 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2006 among the 1,529 with a school on file
- Record last updated2018 · 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).
60 family medicine physician records list a practice address in Malden
They are 60 of the 1,065 NPPES records with a practice address in Malden, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Malden → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lissette Bouret, MDMalden, MA 021481649373580
- Molly Cohen-Osher, MDMalden, MA 021481073550711
- Caitlin D'Agata, MDMalden, MA 021481689808487
- Latoya Etheridge, M.D.Malden, MA 021481972762821
- Andrea Gordon, MDMalden, MA 021481811986292
- Honor Macnaughton, M.D.Malden, MA 021481619170032
- Nicolas Nguyen, M.D.Malden, MA 021481588856926
- Amiesha Panchal, MDMalden, MA 021481568679843
Common questions
What is Greta Seiriol Gania, D.O.'s NPI number?
Greta Seiriol Gania, D.O.'s National Provider Identifier (NPI) is 1306225016, issued on May 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Greta Seiriol Gania, D.O. located?
The NPPES record lists a practice address at 178 Savin St Ste 100, Malden, MA, 02148. Phone: (781) 338-7400. Providers update this record themselves, so call before visiting.
How can I verify Greta Seiriol Gania, D.O.'s license?
NPPES lists Massachusetts license number 277309, 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 Greta Seiriol Gania, D.O. prescribe under Medicare Part D?
In 2024, Greta Seiriol Gania, D.O. had 2,484 Medicare Part D claims for 276 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.