William Behrens, MD
NPI 1770012767 · Orthopaedic Surgery Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Behrens, MD is a Orthopaedic Surgery Physician provider in Saint Louis, MO (NPI 1770012767).
Provider details
- NPI number
- 1770012767
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
897 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 284 | $87 |
| X-Ray of Knee, 4 Or More Views73564 | 178 | $45 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 150 | $65 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 110 | $107 |
| X-Ray of Hip, 2-3 Views73502 | 97 | $44 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 332 | 122 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 155 | 65 |
| Gabapentin | 85 | 60 |
| Ibuprofen | 57 | 41 |
| Cyclobenzaprine Hcl | 51 | 32 |
| Celecoxib | 42 | 19 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 34 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,188 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 121 Saint Lukes Center Dr Ste 302Chesterfield, MO 63017-3519Phone: (314) 849-0311Fax: (314) 849-4423
Registry dates
- Enumerated
- 2017-06-05
- Last updated
- 2025-08-19
- Certified
- 2025-08-19
Frequently asked questions
- What is William Behrens's NPI number?
- William Behrens's National Provider Identifier (NPI) is 1770012767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Behrens's specialty?
- William Behrens is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Behrens located?
- William Behrens's practice location on file with NPPES is 12639 Old Tesson Rd, Saint Louis, MO 63128-2711.
- What is William Behrens's phone number?
- The practice phone number listed in the NPPES registry for William Behrens is (314) 849-0311.
- Does William Behrens accept Medicare?
- William Behrens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Behrens's NPI active?
- Yes — William Behrens's NPI (1770012767) is active in the NPPES registry as of the last update on 2025-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.