Emily Marbas, MD
Family Medicine Physician · Cambridge, MA
Emily Marbas, MD is a family medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1891374765, issued on Apr 6, 2021. Check the license (Massachusetts 1019522, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Emily Marbas
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1019522 MA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Concord Ave Ste 6100, Cambridge, MA 02138
- Phone
- (614) 864-8822
- Enumerated
- Apr 6, 2021
- Record last updated
- Aug 29, 2024
- Fax
- (617) 547-5367
- Medicare enrollment
- Enrolled (PECOS I20240805001723); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 2021
- 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 725 Concord Ave Ste 6100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Emily Marbas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1019522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
274 Medicare Part D claims for 96 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium17 claims
- Levothyroxine Sodium13 claims
- Lisinopril13 claims
- Escitalopram Oxalate11 claims
- Rosuvastatin Calcium11 claims
- Ventolin Hfa11 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: $16.53
1 payment: education; the largest payer was Agios Pharmaceuticals, 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 one group practice
- Mount Auburn Professional Services IncCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emily Marbas among 2,265 family medicine physician records in Massachusetts
Emily Marbas, MD 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 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2021 · 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).
44 family medicine physician records list a practice address in Cambridge
They are 44 of the 5,145 NPPES records with a practice address in Cambridge, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Cambridge → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Bruce Churchill, MDCambridge, MA 021381326066150
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- Graham Dresden, MDCambridge, MA 021381881701118
- Dinah Gorelik, MDCambridge, MA 021381649702820
- Alexandra Houck, MDCambridge, MA 021381053339705
- Olga Minkoff, MDCambridge, MA 021381467420190
- Giang Nguyen, MDCambridge, MA 021381417025123
- Marla Onishi, MDCambridge, MA 021381528071883
Common questions
What is Emily Marbas, MD's NPI number?
Emily Marbas, MD's National Provider Identifier (NPI) is 1891374765, issued on Apr 6, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Emily Marbas, MD located?
The NPPES record lists a practice address at 725 Concord Ave Ste 6100, Cambridge, MA, 02138. Phone: (614) 864-8822. Providers update this record themselves, so call before visiting.
How can I verify Emily Marbas, MD's license?
NPPES lists Massachusetts license number 1019522, 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 Emily Marbas, MD prescribe under Medicare Part D?
In 2024, Emily Marbas, MD had 274 Medicare Part D claims for 96 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.