DR. DOU ALVIN ZHANG MD-PHD
NPI 1700930583
Internal Medicine - Cardiovascular Disease in Halethorpe, MD
About Dr. Dou Alvin Zhang Md-phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DOU ALVIN ZHANG MD-PHD (NPI 1700930583) is an individual cardiovascular disease provider in Halethorpe, Maryland, licensed in Maryland (RES-000) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
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. Dou Alvin Zhang Md-phd 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 Dou Zhang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Halethorpe, MD 21227
- Reassigned Medicare billing, Maryland, District of Columbia and Virginia enrollments
- Also billed through NPI 1417294984 (Maryland), NPI 1952461816 (District of Columbia), NPI 1225156367 (Virginia), NPI 1114677572 (Virginia)
- 701 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21227 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HALETHORPE, MD 21227
HALETHORPE, MD 21227
HALETHORPE, MD 21227
HALETHORPE, MD 21227
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 Dou Zhang's NPI number?
The NPI number for Dou Zhang is 1700930583. It was assigned to this individual provider in the NPPES registry on January 22, 2007.
Where is Dou Zhang located?
Dou Zhang practices at 1701 Twin Springs Rd, Halethorpe, MD 21227. The listed phone number is (410) 737-5260.
What is Dou Zhang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Dou Zhang enrolled in Medicare?
Yes. Dou Zhang 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 Dou Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dou Zhang reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Halethorpe, 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 Dou Zhang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Dou Zhang was last updated on May 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.