DR. SHIEN HU MD
NPI 1366766966
Internal Medicine - Gastroenterology in Frederick, MD
About Dr. Shien Hu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHIEN HU MD (NPI 1366766966) is an individual gastroenterology provider in Frederick, Maryland, licensed in Maryland (D83142) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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. Shien Hu 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
2Medicare enrollment records show Shien Hu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Frederick, MD 21704
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 10 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Physicians PA
- 614 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 10
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Frederick Health Hospital
Acute Care Hospitals · Frederick, MDHoly Cross Germantown Hospital
Acute Care Hospitals · Germantown, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21704 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FREDERICK, MD 21704
FREDERICK, MD 21704
FREDERICK, MD 21704
FREDERICK, MD 21704
FREDERICK, MD 21704
FREDERICK, MD 21704
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 Shien Hu's NPI number?
The NPI number for Shien Hu is 1366766966. It was assigned to this individual provider in the NPPES registry on March 25, 2010.
Where is Shien Hu located?
Shien Hu practices at 7109 Guilford Dr Ste 300, Frederick, MD 21704. The listed phone number is (301) 695-6800.
What is Shien Hu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Shien Hu enrolled in Medicare?
Yes. Shien Hu 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 Shien Hu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shien Hu reassigns Medicare benefits to 2 organizations: Frederick Gastroenterology Associates PA (Frederick, MD) and University Of Maryland Physicians P.A. (Baltimore, MD). 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 Shien Hu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Shien Hu affiliated with any hospitals?
According to CMS data, Shien Hu is affiliated with Frederick Health Hospital and Holy Cross Germantown Hospital.
When was this NPI record last updated?
The NPPES record for Shien Hu was last updated on November 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Shien Hu, MD · NPI 1366766966
Gastroenterology physician in Frederick, Maryland. Individual provider, active in the CMS NPPES registry since March 25, 2010.
## Identity
- **NPI:** 1366766966 (Entity type: Individual)
- **Enumerated:** March 25, 2010
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** D83142 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7109 GUILFORD DR STE 300, Frederick, MD 21704-5179
- **Phone:** (301) 695-6800 · **Fax:** (301) 695-6891
## 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): Frederick Gastroenterology Associates PA (NPI 1962508887, Frederick, MD); University Of Maryland Physicians P.A. (NPI 1699725408, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** November 7, 2023
- **Other identifiers:** Medicaid 300252700 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1366766966) · Data from the CMS NPPES public registry.