DR. ANDREW PAUL DEMIDOWICH M.D.
NPI 1144489717
Hospitalist in Bethesda, MD
About Dr. Andrew Paul Demidowich M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW PAUL DEMIDOWICH M.D. (NPI 1144489717) is an individual hospitalist provider in Bethesda, Maryland, licensed in Maryland (D76656) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (2008).
NPPES Registry Identity
Specialties & Licenses 3
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. Andrew Paul Demidowich 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 Andrew Demidowich reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Tysons, VA 22102
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1689485963 (Maryland)
- 691 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDJohns Hopkins Howard County Medical Center
Acute Care Hospitals · Columbia, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20814 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BETHESDA, MD 20814
BETHESDA, MD 20814
BETHESDA, MD 20814
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 Andrew Demidowich's NPI number?
The NPI number for Andrew Demidowich is 1144489717. It was assigned to this individual provider in the NPPES registry on June 9, 2008.
Where is Andrew Demidowich located?
Andrew Demidowich practices at 8600 Old Georgetown Rd, Bethesda, MD 20814. The listed phone number is (301) 896-3100.
What is Andrew Demidowich's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Andrew Demidowich enrolled in Medicare?
Yes. Andrew Demidowich 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 Andrew Demidowich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Demidowich reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Bethesda, MD) and Johns Hopkins Community Physicians, Inc (Tysons, VA). 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 Andrew Demidowich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Andrew Demidowich affiliated with any hospitals?
According to CMS data, Andrew Demidowich is affiliated with Johns Hopkins Hospital, The, Johns Hopkins Bayview Medical Center and Johns Hopkins Howard County Medical Center.
When was this NPI record last updated?
The NPPES record for Andrew Demidowich was last updated on July 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Andrew Paul Demidowich, M.D. · NPI 1144489717
Hospitalist physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since June 9, 2008.
## Identity
- **NPI:** 1144489717 (Entity type: Individual)
- **Enumerated:** June 9, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** D76656 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8600 OLD GEORGETOWN RD, Bethesda, MD 20814-1422
- **Phone:** (301) 896-3100 · **Fax:** (301) 480-4444
## 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): Johns Hopkins University (NPI 1578569240, Bethesda, MD); Johns Hopkins Community Physicians, Inc (NPI 1790631695, Tysons, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers R W Johnson Medical School, class of 2008
## Record status
- **NPPES last updated:** July 20, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1144489717) · Data from the CMS NPPES public registry.