David Byrens, M.D.
NPI 1902874126 · Family Medicine Physician · Marshall, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Byrens, M.D. is a Family Medicine Physician provider in Marshall, MI (NPI 1902874126).
Provider details
- NPI number
- 1902874126
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DB048794 (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
965 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 323 | $93 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 231 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 143 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 133 | $63 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 40 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 177 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 391 | 101 |
| Rosuvastatin Calcium | 376 | 92 |
| Levothyroxine Sodium | 349 | 81 |
| Atorvastatin Calcium | 322 | 90 |
| Losartan Potassium | 301 | 81 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 295 | 62 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2018-07-23
Frequently asked questions
- What is David Byrens's NPI number?
- David Byrens's National Provider Identifier (NPI) is 1902874126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Byrens's specialty?
- David Byrens is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Byrens located?
- David Byrens's practice location on file with NPPES is 215 E Mansion St Ste 2f, Marshall, MI 49068.
- What is David Byrens's phone number?
- The practice phone number listed in the NPPES registry for David Byrens is (269) 781-2111.
- Does David Byrens accept Medicare?
- David Byrens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Byrens's NPI active?
- Yes — David Byrens's NPI (1902874126) is active in the NPPES registry as of the last update on 2018-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.