NPPES file of Aug 9, 2026

Christopher F. Freer, DO

Internal Medicine Physician · Berkeley Heights, NJ

Christopher F. Freer, DO is an internal medicine physician with a practice address in Berkeley Heights, New Jersey, and NPI 1952399420, issued on Oct 10, 2005. Check the license (New Jersey MB67223, 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
1952399420
Name
Christopher F. Freer
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MB67223 NJ
Self-reported in NPPES; status is on the state search
Practice location
1 Diamond Hill RD, Berkeley Heights, NJ 07922
Phone
(908) 273-4300
Enumerated
Oct 10, 2005
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(908) 790-6524
Medicare enrollment
Enrolled (PECOS I20051006000213); accepts Medicare assignment
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 1 Diamond Hill RD

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

  1. Farshad Abir, M.D.Colon & Rectal Surgery Physician1871542662
  2. Pouja Ahuja, D.O.Family Medicine Physician1306273669
  3. Werda Alam, MDAnesthesiology Physician1114546355
  4. Emad Alatassi, MDHospitalist Physician1912585027
  5. Rea Allarey, MSW, LCSWClinical Social Worker1033644778
  6. Caleb Allen, PA-CSurgical Physician Assistant1194699389

Verify Christopher F. Freer 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 MB67223
    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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100% fewer Medicare Part D claims than the average internal medicine physician in 2024

12 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Christopher Freer12
  2. Specialty average3,176

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: $154.28

3 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Freer$154.28
  2. Specialty average$1,303.06

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. Rwjbh Observation Associates LLCSomerville, NJ

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

Christopher F. Freer among 4,632 internal medicine physician records in New Jersey

Christopher F. Freer, DO is one of 4,632 internal 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1995 · median 2000 among the 3,132 with a school on file
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 internal medicine physician records list a practice address in Berkeley Heights

They are 30 of the 672 NPPES records with a practice address in Berkeley Heights, and 4,632 internal medicine physician records in New Jersey.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joseph Anton, M.D.Berkeley Heights, NJ 079221396831814
  2. Christopher Boni, DOBerkeley Heights, NJ 079221023111507
  3. Michelle Cajulis, M.D.Berkeley Heights, NJ 079221265425342
  4. Ricardo Camacho, MDBerkeley Heights, NJ 079221124029228
  5. Deborah Cheung, M.D.Berkeley Heights, NJ 079221255336004
  6. Peter Colucio, MDBerkeley Heights, NJ 079221184625287
  7. Craig Feinberg, MDBerkeley Heights, NJ 079221548258007
  8. Scott Fields, M.D.Berkeley Heights, NJ 079221609825033

Common questions

What is Christopher F. Freer, DO's NPI number?

Christopher F. Freer, DO's National Provider Identifier (NPI) is 1952399420, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Christopher F. Freer, DO located?

The NPPES record lists a practice address at 1 Diamond Hill RD, Berkeley Heights, NJ, 07922. Phone: (908) 273-4300. Providers update this record themselves, so call before visiting.

How can I verify Christopher F. Freer, DO's license?

NPPES lists New Jersey license number MB67223, 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 Christopher F. Freer, DO prescribe under Medicare Part D?

In 2024, Christopher F. Freer, DO had 12 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.