Mark J. Seigel, MD
Obstetrics & Gynecology Physician · Freehold, NJ
Mark J. Seigel, MD is an obstetrics & gynecology physician with a practice address in Freehold, New Jersey, and NPI 1366438178, issued on Sep 27, 2005. Check the license (New Jersey 25MA04416500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark J. Seigel
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 25MA04416500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 501 Iron Bridge Road, Freehold, NJ 07728
- Phone
- (732) 431-1807
- Enumerated
- Sep 27, 2005
- Record last updated
- Sep 20, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (732) 409-2777
- Medicare enrollment
- Enrolled (PECOS I20040302000735); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,362 in New Jersey → Look up another NPI →
Also registered at 501 Iron Bridge Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Norman Back, MDObstetrics & Gynecology Physician1528055266
- Steven Goldstein, MDObstetrics & Gynecology Physician1790772432
- Kenneth Ordene, MDEndocrinology, Diabetes & Metabolism Physician1750472205
- Susan Schneider, RN, APN, CObstetrics & Gynecology Nurse Practitioner1356338099
- Eric Wininger, MDEndocrinology, Diabetes & Metabolism Physician1750489340
Verify Mark J. Seigel 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 25MA04416500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
145 Medicare Part D claims for 45 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol13 claims
- Estradiol (Twice Weekly)12 claims
- Premarin12 claims
- Azithromycin11 claims
- Progesterone11 claims
- Raloxifene Hcl11 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 MIPS final score for 2023 (Medicare payment program): 93.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $114.91
6 payments; by number, the most common kind was food and beverage; the largest payer was Dynavax Technologies Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Barnabas Health Medical Group PCFreehold, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark J. Seigel among 1,362 obstetrics & gynecology physician records in New Jersey
Mark J. Seigel, MD is one of 1,362 obstetrics & gynecology physician records with a practice address in New Jersey. 80% 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, 93% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1980 · median 2003 among the 900 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 obstetrics & gynecology physician records list a practice address in Freehold
They are 26 of the 1,431 NPPES records with a practice address in Freehold, and 1,362 obstetrics & gynecology physician records in New Jersey.
All 1,362 in New Jersey → Every provider in Freehold → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Norman Back, MDFreehold, NJ 077281528055266
- Borislava Burt-Libo, D.O.Freehold, NJ 077281053532465
- Joseph Cipriano, MDFreehold, NJ 077281346295979
- Michael Dimino, MDFreehold, NJ 077281386662872
- Suzanne Frasca, DOFreehold, NJ 077281124003355
- Steven Goldstein, MDFreehold, NJ 077281790772432
- Michael Kirwin, MDFreehold, NJ 077281548286164
- Julie Leizer, M.D.Freehold, NJ 077281780986646
Common questions
What is Mark J. Seigel, MD's NPI number?
Mark J. Seigel, MD's National Provider Identifier (NPI) is 1366438178, issued on Sep 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Seigel, MD located?
The NPPES record lists a practice address at 501 Iron Bridge Road, Freehold, NJ, 07728. Phone: (732) 431-1807. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Seigel, MD's license?
NPPES lists New Jersey license number 25MA04416500, 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 Mark J. Seigel, MD prescribe under Medicare Part D?
In 2024, Mark J. Seigel, MD had 145 Medicare Part D claims for 45 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Mark J. Seigel, MD's MIPS final score?
The 2023 MIPS final score is 93.7 of 100. 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.