Ralph Esker Mayberry, M.D.
Family Medicine Physician · Sierra Vista, AZ
Ralph Esker Mayberry, M.D. is a family medicine physician with a practice address in Sierra Vista, Arizona, and NPI 1063487486, issued on Feb 20, 2006. Check the license (Arizona 16890, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ralph Esker Mayberry
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 16890 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1800 E Wilcox Dr, Sierra Vista, AZ 85635
- Phone
- (520) 459-3116
- Enumerated
- Feb 20, 2006
- Record last updated
- Dec 5, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (520) 459-7397
- Medicaid ID
- 286444 AZ
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 1800 E Wilcox Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Philip Lesueur, MDInternal Medicine Physician1194161505
- Danielle Martin, FNP-CNurse Practitioner1023697828
- Elizabeth Reese, PA-CPhysician Assistant1992895452
- Jessica Shamas, FNP-CFamily Nurse Practitioner1144067885
Verify Ralph Esker Mayberry in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 16890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average family medicine physician in 2024
567 Medicare Part D claims for 190 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium43 claims
- Atorvastatin Calcium33 claims
- Levothyroxine Sodium29 claims
- Furosemide21 claims
- Metformin Hcl21 claims
- Amlodipine Besylate19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Ralph Esker Mayberry among 3,119 family medicine physician records in Arizona
Ralph Esker Mayberry, M.D. is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Sierra Vista
They are 16 of the 801 NPPES records with a practice address in Sierra Vista, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Sierra Vista → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joanne Cardinal, MDSierra Vista, AZ 856351760557961
- John Clay, DOSierra Vista, AZ 856351780094425
- Blair Goodsell, DOSierra Vista, AZ 856351811917297
- Marc Kaplan, DOSierra Vista, AZ 856351619918836
- Saad Khanzada, DOSierra Vista, AZ 856351780326173
- Michael McDermott, DOSierra Vista, AZ 856351831765585
- Louise Nosanchuck, M.D.Sierra Vista, AZ 856351356356067
- Gavelyn Poonnopatam, DOSierra Vista, AZ 856351962021378
Common questions
What is Ralph Esker Mayberry, M.D.'s NPI number?
Ralph Esker Mayberry, M.D.'s National Provider Identifier (NPI) is 1063487486, issued on Feb 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Esker Mayberry, M.D. located?
The NPPES record lists a practice address at 1800 E Wilcox Dr, Sierra Vista, AZ, 85635. Phone: (520) 459-3116. Providers update this record themselves, so call before visiting.
How can I verify Ralph Esker Mayberry, M.D.'s license?
NPPES lists Arizona license number 16890, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ralph Esker Mayberry, M.D. prescribe under Medicare Part D?
In 2024, Ralph Esker Mayberry, M.D. had 567 Medicare Part D claims for 190 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ralph Esker Mayberry, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.