Dr. John R. Markham PC
About this NPIWhat this record shows.
NPI 1659513760 is registered to Dr. John R. Markham PC, a healthcare organisation classified as "Ophthalmology Physician" and located at 25 W Yavapai St in Wickenburg, Arizona. The organisation's authorised official is Greg Davis. The organisation has been enumerated in the NPI registry since 2009.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 2Z6546AZ· Issued by HEALTH NET
- NNP12599AZ· Issued by UNIVERSAL HEALTH CARE
- 033176-001AZ· Issued by MERCYCARE
- 190721AZ· Issued by AHCCCS
- 3421045AZ· Issued by CIGNA
- 572818AZ· Issued by RAN-AMN
- AZ01170AZ· Issued by MEDICARE SUBMITTER ID
- 7742967AZ· Issued by AETNA
- 866291-9714AZ· Issued by HUMANA
Medicaid
- 190721AZ
Source: NPPES public registry.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. John R. Markham PC accepts. To confirm in-network status with your specific health plan, contact Dr. John R. Markham PC directly at (928) 684-2880.
Frequently asked
Yes. NPI 1659513760 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Ophthalmology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (928) 684-2880.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. John R. Markham PC is a Type-2 organisational NPI.