Ann Koss, DO
NPI 1467488759 · Diagnostic Radiology Physician · Ludington, MI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Koss, DO is a Diagnostic Radiology Physician provider in Ludington, MI (NPI 1467488759).
Provider details
- NPI number
- 1467488759
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- License
- AK011095 (MI)
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
1,702 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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 494 | $27 |
| Screening Mammography77067 | 494 | $34 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine Including Spine Fracture Assessment77085 | 98 | $13 |
| X-Ray of Chest, 2 Views71046 | 91 | $10 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 42 | $27 |
| Diagnostic Mammography of 1 Breast77065 | 38 | $36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-25
- Last updated
- 2016-08-30
Frequently asked questions
- What is Ann Koss's NPI number?
- Ann Koss's National Provider Identifier (NPI) is 1467488759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Koss's specialty?
- Ann Koss is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Koss located?
- Ann Koss's practice location on file with NPPES is 1 N Atkinson Dr, Ludington, MI 49431-1906.
- What is Ann Koss's phone number?
- The practice phone number listed in the NPPES registry for Ann Koss is (231) 845-2255.
- Does Ann Koss accept Medicare?
- Ann Koss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Koss's NPI active?
- Yes — Ann Koss's NPI (1467488759) is active in the NPPES registry as of the last update on 2016-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.