Adrian Wiestner
NPI 1942075114 · Hematology (Internal Medicine) Physician · Bethesda, MD
Enrolled with Medicare as Order and Referring Only - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adrian Wiestner is a Hematology (Internal Medicine) Physician provider in Bethesda, MD (NPI 1942075114).
Provider details
- NPI number
- 1942075114
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0048410 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-11-17
- Last updated
- 2023-11-17
- Certified
- 2023-11-17
Frequently asked questions
- What is Adrian Wiestner's NPI number?
- Adrian Wiestner's National Provider Identifier (NPI) is 1942075114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Adrian Wiestner's specialty?
- Adrian Wiestner is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Adrian Wiestner located?
- Adrian Wiestner's practice location on file with NPPES is 10 Center Dr, Bethesda, MD 20892-0004.
- What is Adrian Wiestner's phone number?
- The practice phone number listed in the NPPES registry for Adrian Wiestner is (301) 594-6855.
- Does Adrian Wiestner accept Medicare?
- Adrian Wiestner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Adrian Wiestner's NPI active?
- Yes — Adrian Wiestner's NPI (1942075114) is active in the NPPES registry as of the last update on 2023-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.