Harold K. Cathcart, DO
Endocrinology, Diabetes & Metabolism Physician · Spokane, WA
Harold K. Cathcart, DO is an endocrinology, diabetes & metabolism physician with a practice address in Spokane, Washington, and NPI 1104815935, issued on Oct 14, 2005. Check the license (Washington OP00001268, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Harold K. Cathcart
- Credential
- DO
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- OP00001268 WA
Self-reported in NPPES; status is on the state search - Practice location
- 624 E Front Ave, Spokane, WA 99202
- Phone
- (509) 626-9900
- Enumerated
- Oct 14, 2005
- Record last updated
- Jul 31, 2026
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 224 in Washington → Look up another NPI →
Also registered at 624 E Front Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Acob, M.D.Student in an Organized Health Care Education/Training Program1811422991
- Mohammad Alkheder, MDPsychiatry Physician1477176220
- Drew Anderson, MDStudent in an Organized Health Care Education/Training Program1083293575
- Henry Arguinchona, MDInfectious Disease Physician1740228170
- Ruth Armstrong, MDFamily Medicine Physician1093410235
- Jobe Ashby, MDInternal Medicine Physician1871288555
Verify Harold K. Cathcart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP00001268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
3,558 Medicare Part D claims for 564 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Levothyroxine Sodium1,000 claims
- Synthroid264 claims
- Hydrocortisone153 claims
- Methimazole110 claims
- Ozempic79 claims
- Lantus Solostar69 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: $762.22
38 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Harold K. Cathcart among 224 endocrinology, diabetes & metabolism physician records in Washington
Harold K. Cathcart, DO is one of 224 endocrinology, diabetes & metabolism physician records with a practice address in Washington. 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, 94% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Washington
There are 224 endocrinology, diabetes & metabolism physician records in Washington.
All 224 in Washington → Every provider in Spokane → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Lynn Lagerquist, MDSpokane, WA 992021568454312
- Lisanne Laurier, MDSpokane, WA 992021912999327
- Maddy Marinos, NP-CSpokane, WA 992021093586588
- Carol Wysham, MDSpokane, WA 992021457344541
- Maria Janout, MDSpokane, WA 992011922052737
- Diane Rubin, M.D.Spokane, WA 992011770799652
- Kevin Bauerle, MDSpokane, WA 992041861757346
- Colleen Carey, M.D.Spokane, WA 992041669420477
Common questions
What is Harold K. Cathcart, DO's NPI number?
Harold K. Cathcart, DO's National Provider Identifier (NPI) is 1104815935, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Harold K. Cathcart, DO located?
The NPPES record lists a practice address at 624 E Front Ave, Spokane, WA, 99202. Phone: (509) 626-9900. Providers update this record themselves, so call before visiting.
How can I verify Harold K. Cathcart, DO's license?
NPPES lists Washington license number OP00001268, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harold K. Cathcart, DO prescribe under Medicare Part D?
In 2024, Harold K. Cathcart, DO had 3,558 Medicare Part D claims for 564 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.