Lia Rosenberg, PA
Physician Assistant · Cambridge, MA
Lia Rosenberg, PA is a physician assistant with a practice address in Cambridge, Massachusetts, and NPI 1821577727, issued on Aug 10, 2018. Check the license (Massachusetts PA7187, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lia Rosenberg
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA7187 MA
Self-reported in NPPES; status is on the state search - Practice location
- 237 Hampshire St, Cambridge, MA 02139
- Phone
- (617) 575-5570
- Enumerated
- Aug 10, 2018
- Record last updated
- Mar 7, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190321002074); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 237 Hampshire St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elvira Aronzon, PA-CPhysician Assistant1851358279
- Henrietta BarnesInternal Medicine Physician1245393701
- Becky Bjorkman, R.N.Registered Nurse1841797487
- Laura Delaney, R.N.Registered Nurse1679910947
- Yelizaveta DimantClinical Social Worker1568832749
- David Elvin, M.D.Internal Medicine Physician1245250661
Verify Lia Rosenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA7187Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average physician assistant in 2024
1,574 Medicare Part D claims for 233 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 27 claims were for opioids.
Most prescribed
- Omeprazole79 claims
- Lisinopril76 claims
- Amlodipine Besylate62 claims
- Atorvastatin Calcium58 claims
- Duloxetine Hcl54 claims
- Metoprolol Succinate44 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 one group practice
- Cambridge Public Health CommissionEverett, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lia Rosenberg among 4,713 physician assistant records in Massachusetts
Lia Rosenberg, PA is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 45% of them.
- NPI issued2018 · 45% of these records are older, 50% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2018 · median 2019 among the 3,217 with a school on file
- Record last updated2019 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
99 physician assistant records list a practice address in Cambridge
They are 99 of the 5,145 NPPES records with a practice address in Cambridge, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Cambridge → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elvira Aronzon, PA-CCambridge, MA 021391851358279
- Marita Barrett, PA-CCambridge, MA 021391801941323
- Mark Brady, PA-CCambridge, MA 021391649349994
- Allisyn Brady, PACambridge, MA 021391275686750
- Carla Dupont, PA-CCambridge, MA 021391053489096
- Catherine Faulkner, PACambridge, MA 021391811040389
- Kathleen Goreham, PA-CCambridge, MA 021391750410015
- Kenrith Plummer, PACambridge, MA 021391306867742
Common questions
What is Lia Rosenberg, PA's NPI number?
Lia Rosenberg, PA's National Provider Identifier (NPI) is 1821577727, issued on Aug 10, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Lia Rosenberg, PA located?
The NPPES record lists a practice address at 237 Hampshire St, Cambridge, MA, 02139. Phone: (617) 575-5570. Providers update this record themselves, so call before visiting.
How can I verify Lia Rosenberg, PA's license?
NPPES lists Massachusetts license number PA7187, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Lia Rosenberg, PA prescribe under Medicare Part D?
In 2024, Lia Rosenberg, PA had 1,574 Medicare Part D claims for 233 beneficiaries; the average among physician assistant prescribers was 830. 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.