NPPES file of Aug 9, 2026

Jack Diep, MD

Interventional Pain Medicine Physician · Lake Havasu City, AZ

Jack Diep, MD is an interventional pain medicine physician with a practice address in Lake Havasu City, Arizona, and NPI 1912333014, issued on Sep 20, 2013. Check the license (Arizona 55528, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912333014
Name
Jack Diep
Credential
MD
Primary taxonomy
Interventional Pain Medicine Physician 208VP0014X
License number
55528 AZ
Self-reported in NPPES; status is on the state search
Practice location
1791 Mesquite Ave, Lake Havasu City, AZ 86403
Phone
(928) 505-5555
Enumerated
Sep 20, 2013
Record last updated
Sep 27, 2022
Fax
(928) 505-2877
Medicaid ID
369607 AZ
Medicare enrollment
Enrolled (PECOS I20180706000866); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1791 Mesquite Ave

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

  1. Zachary Fandrich, ATCAthletic Trainer1861905804
  2. Ryan Hopp, DPTPhysical Therapist1447069059
  3. Judith Horrocks, P.T.Physical Therapist1851539142
  4. Scott Horton, PTAPhysical Therapy Assistant1013265461
  5. Cheryl Kingsbury, MS, OTR/LOccupational Therapist1144539016
  6. Jennifer Molyneux, LPTPhysical Therapist1306479746

Verify Jack Diep in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 55528
    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.

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25% more Medicare Part D claims than the average interventional pain medicine physician in 2024

2,876 Medicare Part D claims for 642 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 1,547 claims were for opioids.

  1. Jack Diep2,876
  2. Specialty average2,306

Most prescribed

  1. Hydrocodone-Acetaminophen686 claims
  2. Tramadol Hcl368 claims
  3. Gabapentin261 claims
  4. Oxycodone-Acetaminophen225 claims
  5. Oxycodone Hcl137 claims
  6. Tizanidine Hcl103 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): 15 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.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $27,212.66

177 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 1,966 providers of this specialty with any payment received $3,889.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jack Diep$27,213
  2. Specialty average$3,890

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

Bills Medicare through one group practice

  1. Lakeside Orthopedic Institute LLCLake Havasu City, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jack Diep among 68 interventional pain medicine physician records in Arizona

Jack Diep, MD is one of 68 interventional pain medicine physician records with a practice address in Arizona. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 81% of them.

  • NPI issued2013 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2013 · median 2005 among the 56 with a school on file
  • Record last updated2022 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0014X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Pain Medicine Physician providers in Arizona

There are 68 interventional pain medicine physician records in Arizona.

The 8 interventional pain medicine physician records with the nearest ZIP codes

  1. Prashanth Sirigere Manjunath, M.DKingman, AZ 864011629227616
  2. Nitish Aggarwal, MD/MBAFort Mohave, AZ 864261518457258
  3. Glenn Lipton, M.D.Cottonwood, AZ 863261336190016
  4. Taif Mukhdomi, M.D.Flagstaff, AZ 860011427583566
  5. Thaddeus Ray, D.O.Oro Valley, AZ 857551679535298
  6. Bradley Holt, M.D.Tucson, AZ 857411922230507
  7. Stephen ShillerTucson, AZ 857241316252315
  8. Kimberly Mulligan, MDTucson, AZ 857231225094857

Common questions

What is Jack Diep, MD's NPI number?

Jack Diep, MD's National Provider Identifier (NPI) is 1912333014, issued on Sep 20, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Jack Diep, MD located?

The NPPES record lists a practice address at 1791 Mesquite Ave, Lake Havasu City, AZ, 86403. Phone: (928) 505-5555. Providers update this record themselves, so call before visiting.

How can I verify Jack Diep, MD's license?

NPPES lists Arizona license number 55528, 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 Jack Diep, MD prescribe under Medicare Part D?

In 2024, Jack Diep, MD had 2,876 Medicare Part D claims for 642 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.

What is Jack Diep, MD's MIPS final score?

The 2023 MIPS final score is 15 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.