What is Karen Gustafson's NPI number?

Karen Gustafson's National Provider Identifier (NPI) is 1417905076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Karen Gustafson's specialty?

Karen Gustafson is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).

Where is Karen Gustafson located?

Karen Gustafson's practice location on file with NPPES is 800 Spruce St, Philadelphia, PA 19107-6130.

What is Karen Gustafson's phone number?

The practice phone number listed in the NPPES registry for Karen Gustafson is (215) 829-3000.

Does Karen Gustafson accept Medicare?

Karen Gustafson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Karen Gustafson's NPI active?

Yes — Karen Gustafson's NPI (1417905076) is active in the NPPES registry as of the last update on 2019-10-28.

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Karen Gustafson, MD

NPI 1417905076 · Anatomic Pathology Physician · Philadelphia, PA

Karen Gustafson, MD is a Anatomic Pathology Physician provider in Philadelphia, PA (NPI 1417905076).

Provider details

NPI number: 1417905076
Entity type: Individual
Primary specialty: Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: MD417830 (PA)

Practice location

800 Spruce St

Philadelphia, PA 19107-6130

Phone: (215) 829-3000

Fax: (215) 829-7564

Street-level locationGet directions

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Mailing address

800 Spruce St

Philadelphia, PA 19107-6130

Specialties & taxonomies

Anatomic Pathology PhysicianPrimary207ZP0101XLicense MD417830 (PA)
Allopathic & Osteopathic Physicians
Anatomic Pathology & Clinical Pathology Physician207ZP0102XLicense MD417830 (PA)
Allopathic & Osteopathic Physicians
Anatomic Pathology & Clinical Pathology Physician207ZP0102XLicense D61910 (MD)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(78/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
1,526 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. 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.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Cell Examination of Specimen, Selective Cellular Enhancement Technique88112	344	$27
Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305	327	$37
Evaluation of Fine Needle Aspirate With Interpretation and Report88173	268	$68
Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341	156	$27
Pap Test, Evaluation of Fine Needle Aspirate, Immediate, Each Additional Evaluation Episode88177	78	$21
Pap Test88141	68	$24

Enumerated: 2006-05-05
Last updated: 2019-10-28

Frequently asked questions

What is Karen Gustafson's NPI number?: Karen Gustafson's National Provider Identifier (NPI) is 1417905076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Karen Gustafson's specialty?: Karen Gustafson is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
Where is Karen Gustafson located?: Karen Gustafson's practice location on file with NPPES is 800 Spruce St, Philadelphia, PA 19107-6130.
What is Karen Gustafson's phone number?: The practice phone number listed in the NPPES registry for Karen Gustafson is (215) 829-3000.
Does Karen Gustafson accept Medicare?: Karen Gustafson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Karen Gustafson's NPI active?: Yes — Karen Gustafson's NPI (1417905076) is active in the NPPES registry as of the last update on 2019-10-28.

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

What this provider does (Medicare)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)