NPPES file of Aug 9, 2026

Rob Ashby, M.D.

Addiction Medicine (Preventive Medicine) Physician · Prescott, AZ

Rob Ashby, M.D. is an addiction medicine (preventive medicine) physician with a practice address in Prescott, Arizona, and NPI 1174690606, issued on Nov 29, 2006. Check the license (Arizona 13504, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174690606
Name
Rob Ashby
Credential
M.D.
Primary taxonomy
Addiction Medicine (Preventive Medicine) Physician 2083A0300X
License number
13504 AZ
Self-reported in NPPES; status is on the state search
Practice location
3636 Crossings Dr, Prescott, AZ 86305
Phone
(928) 778-5097
Enumerated
Nov 29, 2006
Record last updated
May 16, 2025
Fax
(407) 633-7536
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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6 nearest addiction medicine (preventive medicine) physician records → All 7 in Arizona → Look up another NPI →

Verify Rob Ashby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 13504    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

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64% fewer Medicare Part D claims than the average addiction medicine (preventive medicine) physician in 2024

152 Medicare Part D claims for 15 beneficiaries, against an average of 420 among the 224 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Rob Ashby152
  2. Specialty average420

Most prescribed

  1. Buprenorphine Hcl19 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.

Addiction Medicine (Preventive Medicine) Physician providers in Arizona

There are 7 addiction medicine (preventive medicine) physician records in Arizona.

All 7 in Arizona → Every provider in Prescott → Addiction Medicine (Preventive Medicine) Physician nationwide →

The 6 addiction medicine (preventive medicine) physician records with the nearest ZIP codes

  1. Michael Sheehy, DOKingman, AZ 864011174681126
  2. Amara Jabateh, MANAGER/CO-OWNERTolleson, AZ 853531417737891
  3. Rosekamal McKinney, M.D.Glendale, AZ 853061457794885
  4. Daanish Shaikh, M.D.Gilbert, AZ 852341902105588
  5. Simon Olstein, MDPhoenix, AZ 850181972896520
  6. Amirarsalan Eissa, M.D.Phoenix, AZ 850031184913659

Common questions

What is Rob Ashby, M.D.'s NPI number?

Rob Ashby, M.D.'s National Provider Identifier (NPI) is 1174690606, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rob Ashby, M.D. located?

The NPPES record lists a practice address at 3636 Crossings Dr, Prescott, AZ, 86305. Phone: (928) 778-5097. Providers update this record themselves, so call before visiting.

How can I verify Rob Ashby, M.D.'s license?

NPPES lists Arizona license number 13504, 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 Rob Ashby, M.D. prescribe under Medicare Part D?

In 2024, Rob Ashby, M.D. had 152 Medicare Part D claims for 15 beneficiaries; the average among addiction medicine (preventive medicine) physician prescribers was 420. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.