Crystal Ellaine Rayon, M.D.
Family Medicine Physician · Milwaukee, WI
Crystal Ellaine Rayon, M.D. is a family medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1265968655, issued on May 4, 2017. Check the license (Wisconsin 74035, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Crystal Ellaine Rayon
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 74035 WI
036.174736 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1575 N Rivercenter Dr, Milwaukee, WI 53212
- Phone
- (414) 283-8444
- Enumerated
- May 4, 2017
- Record last updated
- Aug 18, 2025
- Medicaid ID
- 1001404945 WI
- Medicare enrollment
- Enrolled (PECOS I20250904001025); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 1575 N Rivercenter Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Crystal Ellaine Rayon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 74035Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average family medicine physician in 2024
1,572 Medicare Part D claims for 199 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium130 claims
- Amlodipine Besylate96 claims
- Lisinopril70 claims
- Losartan Potassium65 claims
- Rosuvastatin Calcium53 claims
- Metoprolol Succinate52 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
- Rockford Health PhysiciansRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crystal Ellaine Rayon among 3,765 family medicine physician records in Wisconsin
Crystal Ellaine Rayon, M.D. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2007 among the 2,347 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
299 family medicine physician records list a practice address in Milwaukee
They are 299 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Milwaukee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gregory Brotzman, MDMilwaukee, WI 532121487605853
- Frederick Deboe, MDMilwaukee, WI 532121639284821
- Cynthia Floore, MDMilwaukee, WI 532121235126632
- Tito Izard, M.D.Milwaukee, WI 532121013947662
- David Johnson, MDMilwaukee, WI 532121235180084
- Gary Lee Kolesari, MDMilwaukee, WI 532121326099169
- John Krueger, M.D.Milwaukee, WI 532121134165913
- Katherine Lichtenberg, D.O.Milwaukee, WI 532121487627568
Common questions
What is Crystal Ellaine Rayon, M.D.'s NPI number?
Crystal Ellaine Rayon, M.D.'s National Provider Identifier (NPI) is 1265968655, issued on May 4, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Ellaine Rayon, M.D. located?
The NPPES record lists a practice address at 1575 N Rivercenter Dr, Milwaukee, WI, 53212. Phone: (414) 283-8444. Providers update this record themselves, so call before visiting.
How can I verify Crystal Ellaine Rayon, M.D.'s license?
NPPES lists Wisconsin license number 74035, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Crystal Ellaine Rayon, M.D. prescribe under Medicare Part D?
In 2024, Crystal Ellaine Rayon, M.D. had 1,572 Medicare Part D claims for 199 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.