Janet Biermann, MD
NPI 1245330075 · Orthopaedic Surgery Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janet Biermann, MD is a Orthopaedic Surgery Physician provider in Ann Arbor, MI (NPI 1245330075).
Provider details
- NPI number
- 1245330075
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301062395 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
29 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 16 | $184 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $135 |
Typical Medicare-allowed amounts for these services range $135–$184 (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
Additional practice locations (1)
- 1500 East Medical Center DrB1 Floor Cancer & Geriatrics Ctr Recp CAnn Arbor, MI 48109-5912Phone: (734) 647-8902
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2024-04-24
- Certified
- 2024-04-24
Frequently asked questions
- What is Janet Biermann's NPI number?
- Janet Biermann's National Provider Identifier (NPI) is 1245330075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Biermann's specialty?
- Janet Biermann is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Janet Biermann located?
- Janet Biermann's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Janet Biermann's phone number?
- The practice phone number listed in the NPPES registry for Janet Biermann is (734) 936-4000.
- Does Janet Biermann accept Medicare?
- Janet Biermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janet Biermann's NPI active?
- Yes — Janet Biermann's NPI (1245330075) is active in the NPPES registry as of the last update on 2024-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.