STEVEN GERALD PROSHAN MD
NPI 1487754933
Colon & Rectal Surgery in Annapolis, MD
About Steven Gerald Proshan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN GERALD PROSHAN MD (NPI 1487754933) is an individual colon & rectal surgery provider in Annapolis, Maryland, licensed in Maryland (D0056357) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Luminis Health Anne Arundel Medical Center, Inc, and is a graduate of Columbia University College Of Physicians And Surgeons (1989).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Steven Gerald Proshan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Steven Proshan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Luminis Health Anne Arundel Medical Center, Inc
Acute Care Hospitals · Annapolis, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANNAPOLIS, MD 21401
ANNAPOLIS, MD 21401
ANNAPOLIS, MD 21401
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Proshan's NPI number?
The NPI number for Steven Proshan is 1487754933. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Steven Proshan located?
Steven Proshan practices at 2002 Medical Parkway Suite 360, Annapolis, MD 21401. The listed phone number is (410) 573-1699.
What is Steven Proshan's specialty?
The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.
Is Steven Proshan enrolled in Medicare?
Yes. Steven Proshan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Steven Proshan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Proshan reassigns Medicare benefits to Annapolis Colon And Rectal Surgeons LLC (Annapolis, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Proshan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Steven Proshan affiliated with any hospitals?
According to CMS data, Steven Proshan is affiliated with Luminis Health Anne Arundel Medical Center, Inc.
When was this NPI record last updated?
The NPPES record for Steven Proshan was last updated on October 17, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Steven Gerald Proshan, MD · NPI 1487754933
Colon & Rectal Surgery physician in Annapolis, Maryland. Individual provider, active in the CMS NPPES registry since September 25, 2006.
## Identity
- **NPI:** 1487754933 (Entity type: Individual)
- **Enumerated:** September 25, 2006
- **Primary specialty:** Colon & Rectal Surgery · taxonomy 208C00000X
- **State license:** D0056357 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2002 MEDICAL PARKWAY, SUITE 360, Annapolis, MD 21401
- **Phone:** (410) 573-1699 · **Fax:** (410) 573-5311
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Annapolis Colon And Rectal Surgeons LLC (NPI 1447439088, Annapolis, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1989
## Record status
- **NPPES last updated:** October 17, 2007
- **Other identifiers:** Other 75440001; Other KCT5; Medicare UPIN G09030; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1487754933) · Data from the CMS NPPES public registry.