Stephen Bigelsen, M.D.
Allergy & Immunology (Internal Medicine) Physician · Dover, NJ
Stephen Bigelsen, M.D. is an allergy & immunology (internal medicine) physician with a practice address in Dover, New Jersey, and NPI 1780611574, issued on Jun 27, 2006. Check the license (New Jersey MA54672, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Stephen Bigelsen
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- MA54672 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 600 Mount Pleasant Ave, Dover, NJ 07801
- Phone
- (973) 989-0500
- Enumerated
- Jun 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (973) 989-5046
- Medicare enrollment
- Enrolled (PECOS I20050623000745); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 1987
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 16 in New Jersey → Look up another NPI →
Also registered at 600 Mount Pleasant Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Bigelsen 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 MA54672Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
629 Medicare Part D claims for 194 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Albuterol Sulfate Hfa68 claims
- Ipratropium Bromide49 claims
- Trelegy Ellipta47 claims
- Montelukast Sodium45 claims
- Fluticasone Propionate41 claims
- Fluticasone-Salmeterol38 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $154.82
9 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 321 providers of this specialty with any payment received $7,456.30 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 2 group practices
- Allergy And Arthritis AssociatesDover, NJ
- Arthritis And Allergy Associates LLCSuccasunna, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Bigelsen among 16 allergy & immunology (internal medicine) physician records in New Jersey
Stephen Bigelsen, M.D. is one of 16 allergy & immunology (internal medicine) physician records with a practice address in New Jersey. 81% 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 31% of them.
- NPI issued2006 · 31% of these records are older, 44% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1987 · median 1985 among the 10 with a school on file
- Record last updated2007 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X 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 (Internal Medicine) Physician providers in New Jersey
There are 16 allergy & immunology (internal medicine) physician records in New Jersey.
All 16 in New Jersey → Every provider in Dover → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Thomas Giangrasso, M.D.Succasunna, NJ 078761609810449
- Kerry Lebenger, MDBerkeley Heights, NJ 079221982606471
- June Winkler, MDHasbrouck Heights, NJ 076041376757112
- Juan Ravell, M.D.Hackensack, NJ 076011629301817
- Joseph Grizzanti, DOHawthorne, NJ 075061932107554
- Salvatore Dangelo, M DRidgewood, NJ 074501245215664
- Robert Coifman, MDMillville, NJ 083321477552024
- Adeniyi Ogunkoya, MDIrvington, NJ 071111356432678
Common questions
What is Stephen Bigelsen, M.D.'s NPI number?
Stephen Bigelsen, M.D.'s National Provider Identifier (NPI) is 1780611574, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Bigelsen, M.D. located?
The NPPES record lists a practice address at 600 Mount Pleasant Ave, Dover, NJ, 07801. Phone: (973) 989-0500. Providers update this record themselves, so call before visiting.
How can I verify Stephen Bigelsen, M.D.'s license?
NPPES lists New Jersey license number MA54672, 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 Stephen Bigelsen, M.D. prescribe under Medicare Part D?
In 2024, Stephen Bigelsen, M.D. had 629 Medicare Part D claims for 194 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. Part D covers Medicare prescriptions only.
What is Stephen Bigelsen, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.