Michael Merkey, MD
NPI 1568555886 · Neurology Physician · Norman, OK
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Merkey, MD is a Neurology Physician provider in Norman, OK (NPI 1568555886).
Provider details
- NPI number
- 1568555886
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 13795 (OK)
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
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
675 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 | 172 | $121 |
| 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 | 149 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $86 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 97 | $71 |
| Nerve Conduction, 5-6 Studies95909 | 37 | $106 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 303 | 66 |
| Gabapentin | 265 | 52 |
| Levetiracetam | 207 | 40 |
| Donepezil Hcl | 207 | 53 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 140 | 34 |
| Lacosamide | 117 | 21 |
| Topiramate | 108 | 28 |
| Rasagiline Mesylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$557 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
Registry dates
- Enumerated
- 2006-09-30
- Last updated
- 2012-04-18
Frequently asked questions
- What is Michael Merkey's NPI number?
- Michael Merkey's National Provider Identifier (NPI) is 1568555886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Merkey's specialty?
- Michael Merkey is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Merkey located?
- Michael Merkey's practice location on file with NPPES is 724 24th Ave Nw, Norman, OK 73069-6218.
- What is Michael Merkey's phone number?
- The practice phone number listed in the NPPES registry for Michael Merkey is (405) 307-5700.
- Does Michael Merkey accept Medicare?
- Michael Merkey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Merkey's NPI active?
- Yes — Michael Merkey's NPI (1568555886) is active in the NPPES registry as of the last update on 2012-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.