Harrison Keyes, MPAS, PA-C
Physician Assistant · Boston, MA
Harrison Keyes, MPAS, PA-C is a physician assistant with a practice address in Boston, Massachusetts, and NPI 1902372519, issued on Oct 22, 2018. Check the license (Massachusetts PA6849, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Harrison Keyes
- Credential
- MPAS, PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA6849 MA
Self-reported in NPPES; status is on the state search - Practice location
- 780 Albany St, Boston, MA 02118
- Phone
- (857) 654-1000
- Enumerated
- Oct 22, 2018
- Record last updated
- Oct 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (857) 654-1100
- Medicare enrollment
- Enrolled (PECOS I20190204001765); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 780 Albany St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Abbanat Villafane, NPNurse Practitioner1598810269
- Camille AbrahamPharmacist1992579049
- June Abraham, NPAdult Health Nurse Practitioner1306916440
- Jeanne Ackerley, R.N.Registered Nurse1235251307
- Andrea AdamopoulosRegistered Nurse1346710381
- Betsy Adams, RNCase Management Registered Nurse1396176277
Verify Harrison Keyes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA6849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average physician assistant in 2024
1,888 Medicare Part D claims for 196 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 67 claims were for opioids.
Most prescribed
- Atorvastatin Calcium143 claims
- Buprenorphine-Naloxone143 claims
- Gabapentin106 claims
- Albuterol Sulfate Hfa101 claims
- Lisinopril71 claims
- Amlodipine Besylate60 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: $47.62
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Boston Health Care For The Homeless Program, Inc.Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harrison Keyes among 4,713 physician assistant records in Massachusetts
Harrison Keyes, MPAS, PA-C 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 updated2018 · 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
- Susan Bowler, PA-CBoston, MA 021181295812048
- Jennifer Czarniak, PABoston, MA 021181528050259
- Sandy Falcon, PA-CBoston, MA 021181275619033
- Barbara Furgal, PA-CBoston, MA 021181568556454
- Eric Haas, PABoston, MA 021181144312174
- Cynthia Kiang, PA-CBoston, MA 021181811974116
- Nina Lev, P.A.Boston, MA 021181568421923
- Elizabeth Marks, PA-CBoston, MA 021181396761169
Common questions
What is Harrison Keyes, MPAS, PA-C's NPI number?
Harrison Keyes, MPAS, PA-C's National Provider Identifier (NPI) is 1902372519, issued on Oct 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Harrison Keyes, MPAS, PA-C located?
The NPPES record lists a practice address at 780 Albany St, Boston, MA, 02118. Phone: (857) 654-1000. Providers update this record themselves, so call before visiting.
How can I verify Harrison Keyes, MPAS, PA-C's license?
NPPES lists Massachusetts license number PA6849, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Harrison Keyes, MPAS, PA-C prescribe under Medicare Part D?
In 2024, Harrison Keyes, MPAS, PA-C had 1,888 Medicare Part D claims for 196 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.