Frederick Fiesseler, D.O.
Emergency Medicine Physician · Morristown, NJ
Frederick Fiesseler, D.O. is an emergency medicine physician with a practice address in Morristown, New Jersey, and NPI 1033177415, issued on May 3, 2006. Check the license (New Jersey MB71344, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Frederick Fiesseler
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MB71344 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Madison Ave, Morristown, NJ 07960
- Phone
- (800) 290-5309
- Enumerated
- May 3, 2006
- Record last updated
- Oct 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (803) 434-4354
- Medicaid ID
- 8363706 NJ
- Medicare enrollment
- Enrolled (PECOS I20100202000602); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 1997
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 100 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Fatema Abdulhussein, MDStudent in an Organized Health Care Education/Training Program1235514274
- Arkadiy Abkin, MDAnesthesiology Physician1316928666
Verify Frederick Fiesseler 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 MB71344Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average emergency medicine physician in 2024
47 Medicare Part D claims for 39 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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: $58.98
3 payments; by number, the most common kind was food and beverage; the largest payer was Mindray DS USA, Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- Morristown Emergency Medical Associates LLCMorristown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frederick Fiesseler among 1,754 emergency medicine physician records in New Jersey
Frederick Fiesseler, D.O. is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 61% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1997 · median 2011 among the 1,167 with a school on file
- Record last updated2012 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 emergency medicine physician records list a practice address in Morristown
They are 84 of the 2,942 NPPES records with a practice address in Morristown, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Morristown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Marilyn Althoff, M.D.Morristown, NJ 079601013966217
- Christopher Amato, MDMorristown, NJ 079601407897721
- Jaroslaw Bilaniuk, MDMorristown, NJ 079601295700417
- Glenn Birnbaum, MDMorristown, NJ 079601679517395
- Dennis Cochrane, M.D.Morristown, NJ 079601922057132
- Louis Difazio, MDMorristown, NJ 079601376510032
- Michael Gerardi, MDMorristown, NJ 079601194763425
- Oliver Hung, M.D.Morristown, NJ 079601356390173
Common questions
What is Frederick Fiesseler, D.O.'s NPI number?
Frederick Fiesseler, D.O.'s National Provider Identifier (NPI) is 1033177415, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Fiesseler, D.O. located?
The NPPES record lists a practice address at 100 Madison Ave, Morristown, NJ, 07960. Phone: (800) 290-5309. Providers update this record themselves, so call before visiting.
How can I verify Frederick Fiesseler, D.O.'s license?
NPPES lists New Jersey license number MB71344, 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 Frederick Fiesseler, D.O. prescribe under Medicare Part D?
In 2024, Frederick Fiesseler, D.O. had 47 Medicare Part D claims for 39 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.