What is Mary Klassen-Fischer's NPI number?

Mary Klassen-Fischer's National Provider Identifier (NPI) is 1861452286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Klassen-Fischer's specialty?

Mary Klassen-Fischer is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).

Where is Mary Klassen-Fischer located?

Mary Klassen-Fischer's practice location on file with NPPES is 606 Stephen Sitter Ave, Silver Spring, MD 20910-1290.

What is Mary Klassen-Fischer's phone number?

The practice phone number listed in the NPPES registry for Mary Klassen-Fischer is (888) 393-3904.

Is Mary Klassen-Fischer's NPI active?

Yes — Mary Klassen-Fischer's NPI (1861452286) is active in the NPPES registry as of the last update on 2024-10-09.

IndividualActive

Mary Klassen-Fischer, M.D.

NPI 1861452286 · Anatomic Pathology Physician · Silver Spring, MD

Mary Klassen-Fischer, M.D. is a Anatomic Pathology Physician provider in Silver Spring, MD (NPI 1861452286).

Provider details

NPI number: 1861452286
Entity type: Individual
Primary specialty: Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Female
Sole proprietor: No
License: MD05640L (PA)

Practice location

606 Stephen Sitter Ave

Silver Spring, MD 20910-1290

Phone: (888) 393-3904

Street-level locationGet directions

More MD providers

Mailing address

6006 Johnson Ave

Bethesda, MD 20817-3435

Specialties & taxonomies

Anatomic Pathology PhysicianPrimary207ZP0101XLicense MD05640L (PA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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.

Enumerated: 2006-03-28
Last updated: 2024-10-09
Certified: 2024-10-09

Frequently asked questions

What is Mary Klassen-Fischer's NPI number?: Mary Klassen-Fischer's National Provider Identifier (NPI) is 1861452286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mary Klassen-Fischer's specialty?: Mary Klassen-Fischer is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
Where is Mary Klassen-Fischer located?: Mary Klassen-Fischer's practice location on file with NPPES is 606 Stephen Sitter Ave, Silver Spring, MD 20910-1290.
What is Mary Klassen-Fischer's phone number?: The practice phone number listed in the NPPES registry for Mary Klassen-Fischer is (888) 393-3904.
Is Mary Klassen-Fischer's NPI active?: Yes — Mary Klassen-Fischer's NPI (1861452286) is active in the NPPES registry as of the last update on 2024-10-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions