Joshua D. Marcus, M.D.
Neurological Surgery Physician · Danbury, CT
Joshua D. Marcus, M.D. is a neurological surgery physician with a practice address in Danbury, Connecticut, and NPI 1609010719, issued on Apr 21, 2009. Check the license (Connecticut 002188, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Joshua D. Marcus
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 002188 CT
Self-reported in NPPES; status is on the state search - Practice location
- 33 Hospital Ave., Danbury, CT 06810
- Phone
- (203) 792-2003
- Enumerated
- Apr 21, 2009
- Record last updated
- Oct 4, 2023
- Fax
- (203) 739-8926
- Medicare enrollment
- Enrolled (PECOS I20200407001968); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 108 in Connecticut → Look up another NPI →
Also registered at 33 Hospital Ave.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ramon Batson, M.D.Neurological Surgery Physician1275574238
- Shawn Finnegan, P.A.-C., MBASurgical Physician Assistant1952554636
- Jeffrey Gilligan, M.D.Neurological Surgery Physician1073909024
- Jonathon Lebovitz, M.D.Neurological Surgery Physician1306130885
- Scott Sanderson, M.D.Neurological Surgery Physician1801827662
- Katherine Swan, P.A.-C.Surgical Physician Assistant1902238207
Verify Joshua D. Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 002188Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average neurological surgery physician in 2024
156 Medicare Part D claims for 77 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 24 claims were for opioids.
Most prescribed
- Gabapentin37 claims
- Meloxicam34 claims
- Methocarbamol20 claims
- Brilinta16 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): 94.2 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: $35,362.29
71 payments; by number, the most common kind was food and beverage; the largest payer was SI-Bone, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 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 4 group practices
- Nuvance Health Medical Practice CT IncDanbury, CT
- Nuvance Health Medical Practice PCPoughkeepsie, NY
- Ptsma IncFairfield, CT
- Yale UniversityGreenwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua D. Marcus among 108 neurological surgery physician records in Connecticut
Joshua D. Marcus, M.D. is one of 108 neurological surgery physician records with a practice address in Connecticut. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 68% of them.
- NPI issued2009 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2009 · median 2002 among the 69 with a school on file
- Record last updated2023 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Connecticut
There are 108 neurological surgery physician records in Connecticut.
All 108 in Connecticut → Every provider in Danbury → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Ramon Batson, M.D.Danbury, CT 068101275574238
- Jeffrey Gilligan, M.D.Danbury, CT 068101073909024
- Gary Kocharian, MDDanbury, CT 068101457857948
- Jonathon Lebovitz, M.D.Danbury, CT 068101306130885
- Scott Sanderson, M.D.Danbury, CT 068101801827662
- Perry Shear, MDFairfield, CT 068251821009853
- Katrina Firlik, MDGreenwich, CT 068301982719191
- Ervin Hanson, M.D.Greenwich, CT 068301396906418
Common questions
What is Joshua D. Marcus, M.D.'s NPI number?
Joshua D. Marcus, M.D.'s National Provider Identifier (NPI) is 1609010719, issued on Apr 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Joshua D. Marcus, M.D. located?
The NPPES record lists a practice address at 33 Hospital Ave., Danbury, CT, 06810. Phone: (203) 792-2003. Providers update this record themselves, so call before visiting.
How can I verify Joshua D. Marcus, M.D.'s license?
NPPES lists Connecticut license number 002188, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joshua D. Marcus, M.D. prescribe under Medicare Part D?
In 2024, Joshua D. Marcus, M.D. had 156 Medicare Part D claims for 77 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
What is Joshua D. Marcus, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 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.