NPPES file of Aug 9, 2026

Tamara Karin Jo, NP

Adult Health Nurse Practitioner · Boston, MA

Tamara Karin Jo, NP is an adult health nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1962415158, issued on Aug 15, 2006. Check the license (Massachusetts 252289, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962415158
Name
Tamara Karin Jo
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
252289 MA
Self-reported in NPPES; status is on the state search
Practice location
450 Brookline Ave, Boston, MA 02215
Phone
(617) 632-5204
Enumerated
Aug 15, 2006
Record last updated
Oct 19, 2022
Fax
(617) 632-3408
Medicare enrollment
Enrolled (PECOS I20040524000823); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 450 Brookline Ave

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

  1. Gregory Abel, MDHematology & Oncology Physician1285611954
  2. Lara Abousamra, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1851183404
  3. Karley Adams, PAPhysician Assistant1578261764
  4. Lauren Adams, PA-CPhysician Assistant1902763469
  5. Ana Aguilar-Bonilla, M.D.Pediatric Hematology & Oncology Physician1023319761
  6. Andrew Aguirre, MD, PHDMedical Oncology Physician1609071208

Verify Tamara Karin Jo 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 252289
    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.

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85% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

197 Medicare Part D claims for 82 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 12 claims were for opioids.

  1. Tamara Jo197
  2. Specialty average1,280

Most prescribed

  1. Imatinib Mesylate42 claims
  2. Anastrozole21 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: $28.55

1 payment: food and beverage; the largest payer was Abiomed. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tamara Jo$28.55
  2. Specialty average$946.40

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

  1. 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).

Tamara Karin Jo among 1,465 adult health nurse practitioner records in Massachusetts

Tamara Karin Jo, NP is one of 1,465 adult health nurse practitioner records with a practice address in Massachusetts. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 73% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2003 · median 2010 among the 634 with a school on file
  • Record last updated2022 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

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.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Diane Dinobile, NPBoston, MA 022151811935745
  2. Lisa Doherty, APRN, BCBoston, MA 022151497700652
  3. Lisa Dumouchel, APRNBoston, MA 022151013960699
  4. M Kaufman, NPBoston, MA 022151174578355
  5. Leah McKinnon-Howe, APRN, BC, NPBoston, MA 022151790728889
  6. Kathleen Rourke, RNPBoston, MA 022151548286834
  7. Virginia Seery, NPBoston, MA 022151316970478
  8. Sharon Siwiec, NPBoston, MA 022151548226731

Common questions

What is Tamara Karin Jo, NP's NPI number?

Tamara Karin Jo, NP's National Provider Identifier (NPI) is 1962415158, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tamara Karin Jo, NP located?

The NPPES record lists a practice address at 450 Brookline Ave, Boston, MA, 02215. Phone: (617) 632-5204. Providers update this record themselves, so call before visiting.

How can I verify Tamara Karin Jo, NP's license?

NPPES lists Massachusetts license number 252289, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Tamara Karin Jo, NP prescribe under Medicare Part D?

In 2024, Tamara Karin Jo, NP had 197 Medicare Part D claims for 82 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.