DR. CARY DOUGLAS BROWN M.D.
NPI 1992700629
Surgery in Rockville, MD
About Dr. Cary Douglas Brown M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CARY DOUGLAS BROWN M.D. (NPI 1992700629) is an individual surgery provider in Rockville, Maryland, licensed in Maryland (D-18658) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare Shady Grove Medical Center, and is a graduate of University Of Maryland School Of Medicine (1972).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Cary Douglas Brown M.d. 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 Reassignments
2Medicare enrollment records show Cary Brown reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gaithersburg, MD 20878
- Reassigned Medicare billing, District of Columbia enrollment
- 340 clinicians in this Medicare group
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 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.
Adventist Healthcare Shady Grove Medical Center
Acute Care Hospitals · Rockville, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20850 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 8
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKVILLE, MD 20850
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 Cary Brown's NPI number?
The NPI number for Cary Brown is 1992700629. It was assigned to this individual provider in the NPPES registry on June 17, 2005.
Where is Cary Brown located?
Cary Brown practices at 9901 Medical Center Dr, Rockville, MD 20850. The listed phone number is (270) 826-6106.
What is Cary Brown's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Cary Brown enrolled in Medicare?
Yes. Cary Brown 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 organizations bill Medicare for Cary Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cary Brown reassigns Medicare benefits to 2 organizations: Adventist Physician Services, Inc. (Gaithersburg, MD) and Medical Faculty Associates, Inc (Washington, DC). Each 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 Cary Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Cary Brown affiliated with any hospitals?
According to CMS data, Cary Brown is affiliated with Adventist Healthcare Shady Grove Medical Center.
When was this NPI record last updated?
The NPPES record for Cary Brown was last updated on April 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Dr. Cary Douglas Brown, M.D. · NPI 1992700629
Surgery physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since June 17, 2005.
## Identity
- **NPI:** 1992700629 (Entity type: Individual)
- **Enumerated:** June 17, 2005
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** D-18658 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 9901 MEDICAL CENTER DR, Rockville, MD 20850-3357
- **Phone:** (270) 826-6106 · **Fax:** (240) 826-5963
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Adventist Physician Services, Inc. (NPI 1376623207, Gaithersburg, MD); Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 1972
## Record status
- **NPPES last updated:** April 23, 2025
- **Other identifiers:** Other 2594 (MD); Medicaid 538591100 (MD); Other 152133; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1992700629) · Data from the CMS NPPES public registry.