William Merrick, DO
NPI 1497231054 · Internal Medicine Physician · Mc Kenzie, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Merrick, DO is a Internal Medicine Physician provider in Mc Kenzie, TN (NPI 1497231054).
Provider details
- NPI number
- 1497231054
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4267 (TN)
Specialties & taxonomies
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
7 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
1,037 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 | 411 | $72 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 262 | $158 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 176 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 87 | $109 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 65 | $116 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 211 | 59 |
| Potassium Chloride | 196 | 42 |
| Pantoprazole Sodium | 194 | 44 |
| Atorvastatin Calcium | 185 | 38 |
| Amlodipine Besylate | 181 | 37 |
| Metoprolol Succinate | 160 | 36 |
| Sertraline Hcl | 158 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (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
- 2018-07-17
- Last updated
- 2024-11-09
- Certified
- 2024-11-09
Frequently asked questions
- What is William Merrick's NPI number?
- William Merrick's National Provider Identifier (NPI) is 1497231054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Merrick's specialty?
- William Merrick is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Merrick located?
- William Merrick's practice location on file with NPPES is 270 Sixteenth Fairway, Mc Kenzie, TN 38201-7701.
- What is William Merrick's phone number?
- The practice phone number listed in the NPPES registry for William Merrick is (731) 415-0724.
- Does William Merrick accept Medicare?
- William Merrick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Merrick's NPI active?
- Yes — William Merrick's NPI (1497231054) is active in the NPPES registry as of the last update on 2024-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.