Registry data as of Aug 27, 2026

Karen Spitler, APRN, BC

Adult Health Nurse Practitioner · Cambridge, MA

Karen Spitler, APRN, BC is an adult health nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1225001209, issued on Feb 9, 2006. Check the license (Massachusetts 152046, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1225001209
Name
Karen Spitler
Credential
APRN, BC
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
152046 MA
Self-reported in NPPES; status is on the state search
Practice location
77 Mass Ave, Cambridge, MA 02139
Phone
(617) 253-1311
Enumerated
Feb 9, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 77 Mass Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patricia Bartels, APRN,BCFamily Nurse Practitioner1306818380
  2. Audra Bartz, LICSWClinical Social Worker1497720528
  3. Sherry Bauman, MDPsychiatry Physician1023082708
  4. M. Bosley, MS RNCSPsychiatric/Mental Health Clinical Nurse Specialist1801861943
  5. Eileen Cecca, RN CSFamily Nurse Practitioner1356316400
  6. Richard Gardner, MDInternal Medicine Physician1851381420

Verify Karen Spitler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 152046
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

99% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

17 Medicare Part D claims for 11 beneficiaries, against an average of 1,291 among the 16,003 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Karen Spitler17
  2. Specialty average1,291

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.

One hospital or facility affiliation

  1. Massachusetts Institute OF TechnologyCambridge, MA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Adult Health Nurse Practitioner providers in Massachusetts

There are 1,420 adult health nurse practitioner records in Massachusetts.

Other adult health nurse practitioner records in Massachusetts

  1. Christine Abbott, NPBoston, MA1851471940
  2. Maureen Abbott, NPBoston, MA1457591638
  3. Bethany Abde, AGNP - BCWareham, MA1215331566
  4. Nadia Abdulrazak, N.P.Boston, MA1952616682
  5. June Abraham, NPBoston, MA1306916440
  6. Van Abreu, N.P.Reading, MA1174867055
  7. Margaret Ackerman, DNPSalem, MA1962482281
  8. Rebecca Acome, N.P.Jamaica Plain, MA1205088531
  9. Annette Adams, CNPNantucket, MA1164877635
  10. Linda Adelberg, NPFairhaven, MA1912146127

Common questions

What is Karen Spitler, APRN, BC's NPI number?

Karen Spitler, APRN, BC's National Provider Identifier (NPI) is 1225001209, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Spitler, APRN, BC located?

The NPPES record lists a practice address at 77 Mass Ave, Cambridge, MA, 02139. Phone: (617) 253-1311. Providers update this record themselves, so call before visiting.

How can I verify Karen Spitler, APRN, BC's license?

NPPES lists Massachusetts license number 152046, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Spitler, APRN, BC prescribe under Medicare Part D?

In 2024, Karen Spitler, APRN, BC had 17 Medicare Part D claims for 11 beneficiaries; the average among adult health nurse practitioner prescribers was 1,291. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.