Clarence Barnett, M.D.
NPI 1558320846 · Family Medicine Physician · Lake Odessa, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clarence Barnett, M.D. is a Family Medicine Physician provider in Lake Odessa, MI (NPI 1558320846).
Provider details
- NPI number
- 1558320846
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 4301047150 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
637 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 118 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 110 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 109 | $86 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 100 | $22 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 59 | $123 |
| Administration of a Standardized, Evidence-Based Social Determinants of Health Risk Assessment Tool, 5-15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 603 | 161 |
| Lisinopril | 345 | 97 |
| Omeprazole | 267 | 73 |
| Amlodipine Besylate | 249 | 63 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 227 | 43 |
| Levothyroxine Sodium | 217 | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$687 across 40 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
Registry dates
- Enumerated
- 2006-03-23
- Last updated
- 2007-07-09
Frequently asked questions
- What is Clarence Barnett's NPI number?
- Clarence Barnett's National Provider Identifier (NPI) is 1558320846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarence Barnett's specialty?
- Clarence Barnett is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clarence Barnett located?
- Clarence Barnett's practice location on file with NPPES is 1020 4th Ave, Lake Odessa, MI 48849-1004.
- What is Clarence Barnett's phone number?
- The practice phone number listed in the NPPES registry for Clarence Barnett is (616) 374-8881.
- Does Clarence Barnett accept Medicare?
- Clarence Barnett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clarence Barnett's NPI active?
- Yes — Clarence Barnett's NPI (1558320846) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.