Michael Gardner, M.D.
NPI 1841397916 · Endocrinology, Diabetes & Metabolism Physician · Columbia, MO
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Gardner, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Columbia, MO (NPI 1841397916).
Provider details
- NPI number
- 1841397916
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2006023034 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
585 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 154 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 149 | $93 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 63 | $26 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 61 | $33 |
| 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 | 53 | $16 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 244 | 61 |
| Metformin Hclbrand: Metformin Hcl Er | 54 | 14 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 53 | 16 |
| Hydrocortisone | 36 | — |
| Empagliflozinbrand: Jardiance | 33 | — |
| Levothyroxine Sodiumbrand: Synthroid | 31 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$12,737 across 7 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
- 2006-09-20
- Last updated
- 2022-09-14
Frequently asked questions
- What is Michael Gardner's NPI number?
- Michael Gardner's National Provider Identifier (NPI) is 1841397916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Gardner's specialty?
- Michael Gardner is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Gardner located?
- Michael Gardner's practice location on file with NPPES is 1 Hospital Dr, Columbia, MO 65212-0001.
- What is Michael Gardner's phone number?
- The practice phone number listed in the NPPES registry for Michael Gardner is (573) 882-2273.
- Does Michael Gardner accept Medicare?
- Michael Gardner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Gardner's NPI active?
- Yes — Michael Gardner's NPI (1841397916) is active in the NPPES registry as of the last update on 2022-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.