NPPES file of Aug 9, 2026

Joanne Katherine Lundholm, M.D.

Family Medicine Physician · Somerville, NJ

Joanne Katherine Lundholm, M.D. is a family medicine physician with a practice address in Somerville, New Jersey, and NPI 1366516544, issued on Nov 20, 2006. Check the license (New Jersey 25MA08059200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1366516544
Name
Joanne Katherine Lundholm
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
25MA08059200 NJ
Self-reported in NPPES; status is on the state search
Practice location
110 Rehill Ave, Somerville, NJ 08876
Phone
(908) 685-2900
Enumerated
Nov 20, 2006
Record last updated
Apr 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(908) 203-5964
Medicaid ID
0185644 NJ
Medicare enrollment
Enrolled (PECOS I20081211000238); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2003
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 110 Rehill Ave

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

  1. Grace Abad, MSN RN, ANP-BCNurse Practitioner1710203450
  2. Mahreen AhmadPhysician Assistant1326523127
  3. Marium Ahmed, MDInternal Medicine Physician1760924229
  4. Sadia Ahmed, M.D.Internal Medicine Physician1225223464
  5. Laz Akachi, MDStudent in an Organized Health Care Education/Training Program1336836022
  6. Alla AlasmarPeer Specialist1356220107

Verify Joanne Katherine Lundholm in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA08059200
    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
Open the New Jersey 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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31% fewer Medicare Part D claims than the average family medicine physician in 2024

2,440 Medicare Part D claims for 369 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 98 claims were for opioids.

  1. Joanne Lundholm2,440
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate143 claims
  2. Atorvastatin Calcium121 claims
  3. Levothyroxine Sodium98 claims
  4. Gabapentin79 claims
  5. Losartan Potassium79 claims
  6. Metformin Hcl73 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

  1. Rwjbh Primary Care ServicesSomerville, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joanne Katherine Lundholm among 2,770 family medicine physician records in New Jersey

Joanne Katherine Lundholm, M.D. is one of 2,770 family medicine physician records with a practice address in New Jersey. 82% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2003 · median 2006 among the 1,875 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

31 family medicine physician records list a practice address in Somerville

They are 31 of the 693 NPPES records with a practice address in Somerville, and 2,770 family medicine physician records in New Jersey.

The 8 family medicine physician records with the nearest ZIP codes

  1. John Bucek, MDSomerville, NJ 088761265432942
  2. Lloyd Davis, MDSomerville, NJ 088761851391064
  3. Jan Gurney, D.O.Somerville, NJ 088761447244793
  4. Margaret Guyton, MDSomerville, NJ 088761750381802
  5. Ruby Halper-Erkkila, MDBranchburg, NJ 088761699722330
  6. Kathryn Hamilton, MDBranchburg, NJ 088761447224688
  7. Lalitha Hansch, MDSomerville, NJ 088761568462505
  8. Rohini Jobanputra, MDBranchburg, NJ 088761275519696

Common questions

What is Joanne Katherine Lundholm, M.D.'s NPI number?

Joanne Katherine Lundholm, M.D.'s National Provider Identifier (NPI) is 1366516544, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joanne Katherine Lundholm, M.D. located?

The NPPES record lists a practice address at 110 Rehill Ave, Somerville, NJ, 08876. Phone: (908) 685-2900. Providers update this record themselves, so call before visiting.

How can I verify Joanne Katherine Lundholm, M.D.'s license?

NPPES lists New Jersey license number 25MA08059200, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joanne Katherine Lundholm, M.D. prescribe under Medicare Part D?

In 2024, Joanne Katherine Lundholm, M.D. had 2,440 Medicare Part D claims for 369 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.