James Allen Fox, M.D.
Allergy & Immunology Physician · Branchburg, NJ
James Allen Fox, M.D. is an allergy & immunology physician with a practice address in Branchburg, New Jersey, and NPI 1144224056, issued on Jun 9, 2005. Check the license (New Jersey 25MA4375000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James Allen Fox
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 25MA4375000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 3461 US Highway 22, Branchburg, NJ 08876
- Phone
- (908) 725-4777
- Enumerated
- Jun 9, 2005
- Record last updated
- Jan 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (908) 725-7439
- Medicaid ID
- 1075705 NJ
- Medicare enrollment
- Enrolled (PECOS I20100222000666); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 132 in New Jersey → Look up another NPI →
Also registered at 3461 US Highway 22
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Allen Fox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA4375000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average allergy & immunology physician in 2024
1,489 Medicare Part D claims for 251 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Fluticasone Propionate182 claims
- Montelukast Sodium162 claims
- Azelastine Hcl153 claims
- Trelegy Ellipta85 claims
- Albuterol Sulfate Hfa56 claims
- Breo Ellipta55 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,433.35
75 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Jeffrey Weiss, M.D., P.A.Riverdale, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Allen Fox among 132 allergy & immunology physician records in New Jersey
James Allen Fox, M.D. is one of 132 allergy & immunology physician records with a practice address in New Jersey. 90% 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, 81% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1977 · median 1997 among the 104 with a school on file
- Record last updated2010 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in New Jersey
There are 132 allergy & immunology physician records in New Jersey.
All 132 in New Jersey → Every provider in Branchburg → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Kristine Krol, MDSomerville, NJ 088761275528465
- Stacey Galowitz, D.O.Somerset, NJ 088731972825719
- Patrick Ambrosio, DOOld Bridge, NJ 088571295765675
- Gargi PatelPiscataway, NJ 088541740727411
- Catherine Monteleone, MDNew Brunswick, NJ 089011396773248
- Savithri Bonala, M DHighland Park, NJ 089041083699409
- Sudhir Parikh, M D P AHighland Park, NJ 089041366427585
- Edwin Schulhafer, M.D.Hillsborough, NJ 088441205886785
Common questions
What is James Allen Fox, M.D.'s NPI number?
James Allen Fox, M.D.'s National Provider Identifier (NPI) is 1144224056, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Allen Fox, M.D. located?
The NPPES record lists a practice address at 3461 US Highway 22, Branchburg, NJ, 08876. Phone: (908) 725-4777. Providers update this record themselves, so call before visiting.
How can I verify James Allen Fox, M.D.'s license?
NPPES lists New Jersey license number 25MA4375000, 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 James Allen Fox, M.D. prescribe under Medicare Part D?
In 2024, James Allen Fox, M.D. had 1,489 Medicare Part D claims for 251 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is James Allen Fox, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.