Registry data as of Aug 27, 2026

Ralph Patterson, M.D.

Family Medicine Physician · Saint Johns, AZ

Ralph Patterson, M.D. is a family medicine physician with a practice address in Saint Johns, Arizona, and NPI 1558719468, issued on Jun 1, 2016. Check the license (Arizona 58002, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558719468
Name
Ralph Patterson
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
58002 AZ
Self-reported in NPPES; status is on the state search
Practice location
625 N 13TH W, Saint Johns, AZ 85936
Phone
(928) 337-3000
Enumerated
Jun 1, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 625 N 13TH W

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashley Kelepolo, NPFamily Nurse Practitioner1790450229

Verify Ralph Patterson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 58002
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2.6 times the Medicare Part D claims of the average family medicine physician in 2024

9,123 Medicare Part D claims for 488 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 371 claims were for opioids.

  1. Ralph Patterson9,123
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium464 claims
  2. Lisinopril449 claims
  3. Levothyroxine Sodium328 claims
  4. Amlodipine Besylate309 claims
  5. Omeprazole282 claims
  6. Albuterol Sulfate Hfa262 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.

Industry payments in 2024: $15.63

1 payment, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ralph Patterson$15.63
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Summit Healthcare Medical AssociatesSt Johns, AZ

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 family medicine physician records list a Saint Johns practice address

They are 2 of the 15 NPPES records with a Saint Johns practice address, and 3,070 family medicine physician records in Arizona.

Other family medicine physician records in Arizona

  1. Muhammad Aamer, M.D.Yuma, AZ1437574720
  2. Ndidi Abara, M.D.Yuma, AZ1295115145
  3. Steven Abdelmalak, MDScottsdale, AZ1205092806
  4. Lindsey Abeyta, FNPTucson, AZ1043027857
  5. Modupeola Abiodun, M.D.Chandler, AZ1225326853
  6. Sara Abolmolouk, MDTucson, AZ1497043715
  7. Ahmed Abouzeid, MDGlendale, AZ1871619601
  8. Edward Abraham, M.D.Phoenix, AZ1144593211
  9. Rebecca Abraham, M.D.Surprise, AZ1437273323
  10. Karen Acevedo-Mogharbel, D.OMesa, AZ1245222074

Common questions

What is Ralph Patterson, M.D.'s NPI number?

Ralph Patterson, M.D.'s National Provider Identifier (NPI) is 1558719468, issued on Jun 1, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ralph Patterson, M.D. located?

The NPPES record lists a practice address at 625 N 13TH W, Saint Johns, AZ, 85936. Phone: (928) 337-3000. Providers update this record themselves, so call before visiting.

How can I verify Ralph Patterson, M.D.'s license?

NPPES lists Arizona license number 58002, 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 Patterson, M.D. prescribe under Medicare Part D?

In 2024, Ralph Patterson, M.D. had 9,123 Medicare Part D claims for 488 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.