Diana Castanon Westgate, MD
Dermatology Physician · Kalamazoo, MI
Diana Castanon Westgate, MD is a dermatology physician with a practice address in Kalamazoo, Michigan, and NPI 1265648299, issued on May 15, 2007. Check the license (Michigan 4301088557, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Diana Castanon Westgate
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 4301088557 MI
01079479A IN
Self-reported in NPPES; status is on the state search - Practice location
- 535 S Burdick St Ste 256, Kalamazoo, MI 49007
- Phone
- (269) 290-1901
- Enumerated
- May 15, 2007
- Record last updated
- Nov 16, 2022
- Fax
- (269) 290-1913
- Medicare enrollment
- Enrolled (PECOS I20101030000242); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 471 in Michigan → Look up another NPI →
Also registered at 535 S Burdick St Ste 256
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Courtney Converse, PA-CPhysician Assistant1699743872
- Autumn Hopkins, PA-CPhysician Assistant1962445080
- Sally Kidman, RNDiabetes Educator Registered Nurse1093334294
Verify Diana Castanon Westgate in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301088557Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average dermatology physician in 2024
1,175 Medicare Part D claims for 393 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Clobetasol Propionate144 claims
- Triamcinolone Acetonide138 claims
- Ketoconazole88 claims
- Doxycycline Hyclate82 claims
- Hydrocortisone65 claims
- Dupixent Pen58 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 MIPS final score for 2023 (Medicare payment program): 83.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $26,677.75
224 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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 one group practice
- Forefront Dermatology SCHastings, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Castanon Westgate among 471 dermatology physician records in Michigan
Diana Castanon Westgate, MD is one of 471 dermatology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2006 · median 2008 among the 324 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Michigan
There are 471 dermatology physician records in Michigan.
All 471 in Michigan → Every provider in Kalamazoo → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Gerald Karabin, M.D.Portage, MI 490021891889713
- Paul Wang, M.D.Portage, MI 490021750475695
- William Weston, M.D.Portage, MI 490021841384773
- Jeffrey Messenger, M.D.Battle Creek, MI 490151427313709
- John Chadwick, M.D.Battle Creek, MI 490171982602009
- Jeffrey Globerson, DOPortage, MI 490241447770672
- Jessica Liggett, MDPortage, MI 490241619179710
- Craig Mohney, M.D.Portage, MI 490241518925528
Common questions
What is Diana Castanon Westgate, MD's NPI number?
Diana Castanon Westgate, MD's National Provider Identifier (NPI) is 1265648299, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diana Castanon Westgate, MD located?
The NPPES record lists a practice address at 535 S Burdick St Ste 256, Kalamazoo, MI, 49007. Phone: (269) 290-1901. Providers update this record themselves, so call before visiting.
How can I verify Diana Castanon Westgate, MD's license?
NPPES lists Michigan license number 4301088557, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diana Castanon Westgate, MD prescribe under Medicare Part D?
In 2024, Diana Castanon Westgate, MD had 1,175 Medicare Part D claims for 393 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Diana Castanon Westgate, MD's MIPS final score?
The 2023 MIPS final score is 83.4 of 100. 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.