Adina Mariana Ion, M.D.
Internal Medicine Physician · Medford, MA
Adina Mariana Ion, M.D. is an internal medicine physician with a practice address in Medford, Massachusetts, and NPI 1144330119, issued on Aug 30, 2006. Check the license (Massachusetts 1018383, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Adina Mariana Ion
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 1018383 MA
ME85805 FL
Self-reported in NPPES; status is on the state search - Practice location
- 26 City Hall Mall, Medford, MA 02155
- Phone
- (781) 306-5100
- Enumerated
- Aug 30, 2006
- Record last updated
- Jun 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20240731000055); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 26 City Hall Mall
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Adina Mariana Ion in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1018383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
876 Medicare Part D claims for 312 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium71 claims
- Levothyroxine Sodium52 claims
- Rosuvastatin Calcium50 claims
- Amlodipine Besylate47 claims
- Losartan Potassium43 claims
- Hydrochlorothiazide28 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Atrius Health IncNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adina Mariana Ion among 6,825 internal medicine physician records in Massachusetts
Adina Mariana Ion, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 internal medicine physician records list a practice address in Medford
They are 40 of the 1,090 NPPES records with a practice address in Medford, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Medford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nancy Cibotti Granof, MDMedford, MA 021551336120815
- Giovanni D'Ambrosio, M.D.Medford, MA 021551598738510
- Paula Fang, MDMedford, MA 021551194714550
- George Feltin, MDMedford, MA 021551881671527
- Cristina Holt, MDMedford, MA 021551336139849
- Bing Ko, M.D., SC.D.Medford, MA 021551053385302
- Eleanor Moresco, MDMedford, MA 021551790775211
- Joseph Murphy, M.D.Medford, MA 021551134110398
Common questions
What is Adina Mariana Ion, M.D.'s NPI number?
Adina Mariana Ion, M.D.'s National Provider Identifier (NPI) is 1144330119, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Adina Mariana Ion, M.D. located?
The NPPES record lists a practice address at 26 City Hall Mall, Medford, MA, 02155. Phone: (781) 306-5100. Providers update this record themselves, so call before visiting.
How can I verify Adina Mariana Ion, M.D.'s license?
NPPES lists Massachusetts license number 1018383, 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 Adina Mariana Ion, M.D. prescribe under Medicare Part D?
In 2024, Adina Mariana Ion, M.D. had 876 Medicare Part D claims for 312 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Adina Mariana Ion, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.