Douglas B. Masson, M.D.
Urology Physician · Prescott, AZ
Douglas B. Masson, M.D. is a urology physician with a practice address in Prescott, Arizona, and NPI 1114901238, issued on Dec 1, 2005. Check the license (Arizona 48429, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Douglas B. Masson
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 48429 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Willow Creek RD Ste 3300, Prescott, AZ 86301
- Phone
- (928) 708-4000
- Enumerated
- Dec 1, 2005
- Record last updated
- Jun 23, 2025
- Fax
- (928) 458-2118
- Medicaid ID
- 160446 AZ
- Medicare enrollment
- Enrolled (PECOS I20160721001265); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest urology physician records → All 277 in Arizona → Look up another NPI →
Also registered at 1001 Willow Creek RD Ste 3300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Esther Byram, PA-CPhysician Assistant1932694239
- Jorge Gonzalez-Cruz, MDNeurological Surgery Physician1386850006
- John Mackenzie, DONeurology Physician1518078807
- Paul Malczak, DONeurology Physician1003274655
- Robert McCabe, DONeurological Surgery Physician1720508203
- Paul Nguyen, MDUrology Physician1699859769
Verify Douglas B. Masson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 48429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average urology physician in 2024
945 Medicare Part D claims for 325 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 78 claims were for opioids.
Most prescribed
- Tamsulosin Hcl222 claims
- Finasteride159 claims
- Ciprofloxacin Hcl78 claims
- Oxycodone Hcl73 claims
- Gemtesa65 claims
- Cephalexin54 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,539.99
35 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 4 group practices
- Honorhealth AmbulatoryScottsdale, AZ
- Northern Arizona Healthcare CorporationCottonwood, AZ
- Sierra Vista Regional Health Center Medical Group LLCSierra Vista, AZ
- Summit Healthcare Medical AssociatesShow Low, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas B. Masson among 277 urology physician records in Arizona
Douglas B. Masson, M.D. is one of 277 urology physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 82% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1991 · median 2003 among the 192 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Arizona
There are 277 urology physician records in Arizona.
All 277 in Arizona → Every provider in Prescott → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Paul Nguyen, MDPrescott, AZ 863011699859769
- Ben Cranfill, M.D.Cottonwood, AZ 863261437121555
- Firouz Daneshgari, MDCottonwood, AZ 863261689637597
- Micheal Darson, MDCottonwood, AZ 863261023074184
- Steven Kurzweil, M.D.Cottonwood, AZ 863261699776823
- Stephen Sutton, MDSedona, AZ 863511144409871
- Philip St. Raymond, MDLake Havasu City, AZ 864031609971076
- Jack Hou, M.D.Kingman, AZ 864091790922896
Common questions
What is Douglas B. Masson, M.D.'s NPI number?
Douglas B. Masson, M.D.'s National Provider Identifier (NPI) is 1114901238, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Douglas B. Masson, M.D. located?
The NPPES record lists a practice address at 1001 Willow Creek RD Ste 3300, Prescott, AZ, 86301. Phone: (928) 708-4000. Providers update this record themselves, so call before visiting.
How can I verify Douglas B. Masson, M.D.'s license?
NPPES lists Arizona license number 48429, 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 Douglas B. Masson, M.D. prescribe under Medicare Part D?
In 2024, Douglas B. Masson, M.D. had 945 Medicare Part D claims for 325 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Douglas B. Masson, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.