Colleen Gilstad, MD
NPI 1538141403 · Anatomic Pathology & Clinical Pathology Physician · Bethesda, MD
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Gilstad, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Bethesda, MD (NPI 1538141403).
Provider details
- NPI number
- 1538141403
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- MD32978 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
420 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 275 | $41 |
| Blood Bank Physician Services for Cross Match And/Or Evaluation and Written Report86077 | 119 | $55 |
| Blood Bank Physician Services for Investigation of Transfusion Reaction With Written Report86078 | 14 | $55 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 12 | $39 |
Typical Medicare-allowed amounts for these services range $39–$55 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Colleen Gilstad's NPI number?
- Colleen Gilstad's National Provider Identifier (NPI) is 1538141403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Gilstad's specialty?
- Colleen Gilstad is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Colleen Gilstad located?
- Colleen Gilstad's practice location on file with NPPES is 8901 Wisconsin Avenue, Bethesda, MD 20889-0001.
- What is Colleen Gilstad's phone number?
- The practice phone number listed in the NPPES registry for Colleen Gilstad is (301) 319-4073.
- Does Colleen Gilstad accept Medicare?
- Colleen Gilstad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Gilstad's NPI active?
- Yes — Colleen Gilstad's NPI (1538141403) 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.