Monica Karlen
Pain Management Registered Nurse · Boston, MA
Monica Karlen is a pain management registered nurse with a practice address in Boston, Massachusetts, and NPI 1417608464, issued on Jan 11, 2022. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Monica Karlen
- Primary taxonomy
- Pain Management Registered Nurse 163WP0000X
- License number
- 250897 SC
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-2000
- Enumerated
- Jan 11, 2022
- Record last updated
- Jan 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20221019001264); accepts Medicare assignment
- Entity
- Type 1 · individual
4 nearest pain management registered nurse records → All 5 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Monica Karlen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pain Management Registered Nurse providers in Massachusetts
There are 5 pain management registered nurse records in Massachusetts.
All 5 in Massachusetts → Every provider in Boston → Pain Management Registered Nurse nationwide →
The 4 pain management registered nurse records with the nearest ZIP codes
- Susan Parker, NPMedford, MA 021551932379393
- Debra Klezmer, LMT,RN,C,CRRNRandolph, MA 023681790840932
- Erika Bourne, R.N., C.M.T.P.T.Watertown, MA 024721952640948
- Karyn Rizzo, RNBlackstone, MA 015041790983252
Common questions
What is Monica Karlen's NPI number?
Monica Karlen's National Provider Identifier (NPI) is 1417608464, issued on Jan 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Monica Karlen located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-2000. Providers update this record themselves, so call before visiting.
How can I verify Monica Karlen's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.