Spencer Mead, PA
Physician Assistant · Boston, MA
Spencer Mead, PA is a physician assistant with a practice address in Boston, Massachusetts, and NPI 1912052853, issued on Jan 23, 2007. Check the license (Massachusetts 1575, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Spencer Mead
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 1575 MA
0563P NH
Self-reported in NPPES; status is on the state search - Practice location
- 133 Brookline Ave, Boston, MA 02215
- Phone
- (617) 421-1000
- Enumerated
- Jan 23, 2007
- Record last updated
- May 20, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 30337599 NH
- Medicare enrollment
- Enrolled (PECOS I20050718000641); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 133 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
- Dana An, LCSWClinical Social Worker1215108238
Verify Spencer Mead in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 1575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
34 Medicare Part D claims for 24 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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 practice group's MIPS final score for 2023 (Medicare payment program): 84.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Circle Health Urgent Care LLCTewksbury, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer Mead among 4,713 physician assistant records in Massachusetts
Spencer Mead, 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 82% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1999 · median 2019 among the 3,217 with a school on file
- Record last updated2014 · 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).
1,660 physician assistant records list a practice address in Boston
They are 1,660 of the 41,865 NPPES records with a practice address in Boston, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Boston → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Elizabeth Alqueza, PA-CBoston, MA 022151972584100
- Margaret Buonanno, PABoston, MA 022151851354989
- Amy Clyde, PABoston, MA 022151326001488
- Hajar Delshad, PA-CBoston, MA 022151801868914
- Nicole Dettmann, PABoston, MA 022151619931813
- Jerald Feuer, PABoston, MA 022151457332801
- Nancy Herriott, PABoston, MA 022151467418012
- Derek Hersey, PABoston, MA 022151114981289
Common questions
What is Spencer Mead, PA's NPI number?
Spencer Mead, PA's National Provider Identifier (NPI) is 1912052853, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Mead, PA located?
The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (617) 421-1000. Providers update this record themselves, so call before visiting.
How can I verify Spencer Mead, PA's license?
NPPES lists Massachusetts license number 1575, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Spencer Mead, PA prescribe under Medicare Part D?
In 2024, Spencer Mead, PA had 34 Medicare Part D claims for 24 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Spencer Mead, PA's MIPS final score?
The 2023 MIPS final score is 84.9 of 100, reported for the practice group. 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.