Karen Anne Sommer, NP
Adult Health Nurse Practitioner · Boston, MA
Karen Anne Sommer, NP is an adult health nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1932143591, issued on Jun 15, 2006. Check the license (Massachusetts 176943, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Anne Sommer
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 176943 MA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Brookline Ave # Dana1217, Boston, MA 02215
- Phone
- (617) 632-5319
- Enumerated
- Jun 15, 2006
- Record last updated
- May 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Karen Anne Sommer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 176943Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
485 Medicare Part D claims for 91 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Lorazepam30 claims
- Ondansetron Hcl28 claims
- Omeprazole25 claims
- Oxycodone Hcl21 claims
- Diphenoxylate-Atropine20 claims
- Mirtazapine20 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.
454 adult health nurse practitioner records list a practice address in Boston
They are 454 of the 41,865 NPPES records with a practice address in Boston, and 1,465 adult health nurse practitioner records in Massachusetts.
All 454 in Boston → All 1,465 in Massachusetts → Every provider in Boston →
Other adult health nurse practitioner records in Massachusetts
- Christine Abbott, NPBoston, MA1851471940
- Maureen Abbott, NPBoston, MA1457591638
- Bethany Abde, AGNP - BCWareham, MA1215331566
- Nadia Abdulrazak, N.P.Boston, MA1952616682
- June Abraham, NPBoston, MA1306916440
- Van Abreu, N.P.Reading, MA1174867055
- Margaret Ackerman, DNPSalem, MA1962482281
- Rebecca Acome, N.P.Jamaica Plain, MA1205088531
- Annette Adams, CNPNantucket, MA1164877635
- Mervin AdamsHyde Park, MA1174849467
Common questions
What is Karen Anne Sommer, NP's NPI number?
Karen Anne Sommer, NP's National Provider Identifier (NPI) is 1932143591, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Anne Sommer, NP located?
The NPPES record lists a practice address at 450 Brookline Ave # Dana1217, Boston, MA, 02215. Phone: (617) 632-5319. Providers update this record themselves, so call before visiting.
How can I verify Karen Anne Sommer, NP's license?
NPPES lists Massachusetts license number 176943, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Anne Sommer, NP prescribe under Medicare Part D?
In 2024, Karen Anne Sommer, NP had 485 Medicare Part D claims for 91 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.