DR. TIMOTHY M CAPSTACK MD
NPI 1073534319
Hospitalist in Annapolis, MD
About Dr. Timothy M Capstack Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY M CAPSTACK MD (NPI 1073534319) is an individual hospitalist provider in Annapolis, Maryland, licensed in Maryland (D66753) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Luminis Health Anne Arundel Medical Center, Inc, and is a graduate of Washington University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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. Timothy M Capstack 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 Reassignments
6Medicare enrollment records show Timothy Capstack reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 794 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 73 clinicians in this Medicare group
Bel Air, MD 21014
- Reassigned Medicare billing, Maryland enrollment
- 158 clinicians in this Medicare group
La Plata, MD 20646
- Reassigned Medicare billing, Maryland enrollment
- 51 clinicians in this Medicare group
Havre De Grace, MD 21078
- Reassigned Medicare billing, Maryland enrollment
- 102 clinicians in this Medicare group
Hagerstown, MD 21742
- Reassigned Medicare billing, Maryland enrollment
- 91 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 9
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 2
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.
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 Timothy Capstack's NPI number?
The NPI number for Timothy Capstack is 1073534319. It was assigned to this individual provider in the NPPES registry on July 22, 2006.
Where is Timothy Capstack located?
Timothy Capstack practices at 2001 Medical Pkwy, Annapolis, MD 21401. The listed phone number is (443) 481-1000.
What is Timothy Capstack's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Timothy Capstack enrolled in Medicare?
Yes. Timothy Capstack 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 Timothy Capstack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Capstack reassigns Medicare benefits to 6 organizations: Luminis Health Medical Group, LLC (Annapolis, MD), Mdics At Anne Arundel LLC (Annapolis, MD), Upper Chesapeake Medical Services, Inc (Bel Air, MD), Mdics At Civista LLC (La Plata, MD), Adfinitas Health At Upper Chesapeake Harford Memorial LLC (Havre De Grace, MD) and 1 more organization, listed in the Medicare section above. 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 Timothy Capstack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Capstack accept?
Health plans from Taro Health list Timothy Capstack as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Timothy Capstack affiliated with any hospitals?
According to CMS data, Timothy Capstack is affiliated with Luminis Health Anne Arundel Medical Center, Inc.
When was this NPI record last updated?
The NPPES record for Timothy Capstack was last updated on May 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Timothy M Capstack, MD · NPI 1073534319
Hospitalist physician in Annapolis, Maryland. Individual provider, active in the CMS NPPES registry since July 22, 2006.
## Identity
- **NPI:** 1073534319 (Entity type: Individual)
- **Enumerated:** July 22, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** D66753 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2001 MEDICAL PKWY, Annapolis, MD 21401-3280
- **Phone:** (443) 481-1000 · **Fax:** (443) 949-0825
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Luminis Health Medical Group, LLC (NPI 1215577077, Annapolis, MD); Mdics At Anne Arundel LLC (NPI 1427343664, Annapolis, MD); Upper Chesapeake Medical Services, Inc (NPI 1497801419, Bel Air, MD); Mdics At Civista LLC (NPI 1225323496, La Plata, MD); Adfinitas Health At Upper Chesapeake Harford Memorial LLC (NPI 1457051724, Havre De Grace, MD); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** May 17, 2022
- **Other identifiers:** Medicaid 015649300 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1073534319) · Data from the CMS NPPES public registry.