Doreen Ann Slabaugh, D.O.
Internal Medicine Physician · Prescott, AZ
Doreen Ann Slabaugh, D.O. is an internal medicine physician with a practice address in Prescott, Arizona, and NPI 1619964061, issued on Sep 30, 2005. Check the license (Arizona 4226, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Doreen Ann Slabaugh
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4226 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 300 N Lee Blvd, Prescott, AZ 86301
- Phone
- (928) 708-4300
- Enumerated
- Sep 30, 2005
- Record last updated
- Mar 17, 2025
- Fax
- (928) 458-2122
- Medicaid ID
- 957962 AZ
- Medicare enrollment
- Enrolled (PECOS I20051025000450); accepts Medicare assignment
- Medical or professional school
- College Of Osteo Med Of The Pacific At Pomona, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 300 N Lee Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Doreen Ann Slabaugh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 4226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,344 Medicare Part D claims for 658 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 25 claims were for opioids.
Most prescribed
- Levothyroxine Sodium555 claims
- Atorvastatin Calcium518 claims
- Losartan Potassium357 claims
- Amlodipine Besylate338 claims
- Rosuvastatin Calcium314 claims
- Lisinopril234 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.
Bills Medicare through one group practice
- Yavapai Regional Medical Center Physician Care LLCPrescott, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Doreen Ann Slabaugh among 2,853 internal medicine physician records in Arizona
Doreen Ann Slabaugh, D.O. is one of 2,853 internal 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1995 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 internal medicine physician records list a practice address in Prescott
They are 48 of the 1,818 NPPES records with a practice address in Prescott, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Prescott → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Suzanne Allen, M.D.Prescott, AZ 863011649287574
- Hojat Askari, MDPrescott, AZ 863011326251695
- Robert Barker, MDPrescott, AZ 863011710924196
- Kristen Bendinger, M.D.Prescott, AZ 863011386935344
- Kamala Boast, D.O.Prescott, AZ 863011639219520
- Erik Contreras, MDPrescott, AZ 863011265708416
- Syamala Darira, M.D.Prescott, AZ 863011780784710
- Joseph Goldberger, MDPrescott, AZ 863011699784546
Common questions
What is Doreen Ann Slabaugh, D.O.'s NPI number?
Doreen Ann Slabaugh, D.O.'s National Provider Identifier (NPI) is 1619964061, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Doreen Ann Slabaugh, D.O. located?
The NPPES record lists a practice address at 300 N Lee Blvd, Prescott, AZ, 86301. Phone: (928) 708-4300. Providers update this record themselves, so call before visiting.
How can I verify Doreen Ann Slabaugh, D.O.'s license?
NPPES lists Arizona license number 4226, 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 Doreen Ann Slabaugh, D.O. prescribe under Medicare Part D?
In 2024, Doreen Ann Slabaugh, D.O. had 7,344 Medicare Part D claims for 658 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.
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.