Barbara Knollmann-Ritschel, MD
NPI 1659342194 · Anatomic Pathology & Clinical Pathology Physician · Bethesda, MD
Barbara Knollmann-Ritschel, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Bethesda, MD (NPI 1659342194).
Provider details
- NPI number
- 1659342194
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- 35.067592 (OH)
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
20 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
- 2006-02-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Barbara Knollmann-Ritschel's NPI number?
- Barbara Knollmann-Ritschel's National Provider Identifier (NPI) is 1659342194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Knollmann-Ritschel's specialty?
- Barbara Knollmann-Ritschel is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Knollmann-Ritschel located?
- Barbara Knollmann-Ritschel's practice location on file with NPPES is 8901 Wisconsin Ave, Bethesda, MD 20889-0001.
- What is Barbara Knollmann-Ritschel's phone number?
- The practice phone number listed in the NPPES registry for Barbara Knollmann-Ritschel is (301) 295-2520.
- Is Barbara Knollmann-Ritschel's NPI active?
- Yes — Barbara Knollmann-Ritschel's NPI (1659342194) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.