Kathleen Riordan
Acute Care Nurse Practitioner · Milton, MA
Kathleen Riordan is an acute care nurse practitioner with a practice address in Milton, Massachusetts, and NPI 1639555345, issued on Aug 4, 2015. Check the license (Massachusetts RN2292187, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Riordan
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- RN2292187 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3 Waldo RD, Milton, MA 02186
- Phone
- (617) 480-0834
- Enumerated
- Aug 4, 2015
- Record last updated
- Aug 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151102000876); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 598 in Massachusetts → Look up another NPI →
Verify Kathleen Riordan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2292187Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
408 Medicare Part D claims for 145 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium60 claims
- Eliquis43 claims
- Clopidogrel40 claims
- Oxycodone Hcl40 claims
- Xarelto30 claims
- Gabapentin16 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
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Riordan among 598 acute care nurse practitioner records in Massachusetts
Kathleen Riordan is one of 598 acute care nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 48% of them.
- NPI issued2015 · 48% of these records are older, 47% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2015 · median 2016 among the 341 with a school on file
- Record last updated2015 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Massachusetts
There are 598 acute care nurse practitioner records in Massachusetts.
All 598 in Massachusetts → Every provider in Milton → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Ronnie Mackie, NPMilton, MA 021861386020063
- Benjamin Pariser, ACNPC-AG, RNMilton, MA 021861417875931
- Julie Carragher, NPBraintree, MA 021841659670669
- Sandy Hunt, AGAC NP-BCWeymouth, MA 021881295397545
- Elizabeth Lopes-Costa, NPWeymouth, MA 021891184176810
- Samuel Barnard, AGACNPSouth Weymouth, MA 021901508588823
- Kimberly Barnett, AG-ACNP-BC, DNPSouth Weymouth, MA 021901487108767
- Christine Grant, NPWeymouth, MA 021901285288746
Common questions
What is Kathleen Riordan's NPI number?
Kathleen Riordan's National Provider Identifier (NPI) is 1639555345, issued on Aug 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Riordan located?
The NPPES record lists a practice address at 3 Waldo RD, Milton, MA, 02186. Phone: (617) 480-0834. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Riordan's license?
NPPES lists Massachusetts license number RN2292187, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kathleen Riordan prescribe under Medicare Part D?
In 2024, Kathleen Riordan had 408 Medicare Part D claims for 145 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.