Michael N. Castro, MD
Dermatology Physician · Lakewood, CA
Michael N. Castro, MD is a dermatology physician with a practice address in Lakewood, California, and NPI 1437180320, issued on Jul 6, 2006. Check the license (California A69701, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael N. Castro
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A69701 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5750 Downey Ave, Lakewood, CA 90712
- Phone
- (562) 630-3105
- Enumerated
- Jul 6, 2006
- Record last updated
- Jun 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100305000663); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 5750 Downey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Olga Ginzburg, MDInternal Medicine Physician1891723482
- Scott Gordon, MDInternal Medicine Physician1033140801
- Aaron Kern, MDInternal Medicine Physician1891726725
Verify Michael N. Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average dermatology physician in 2024
2,031 Medicare Part D claims for 528 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Clobetasol Propionate285 claims
- Triamcinolone Acetonide242 claims
- Fluocinonide146 claims
- Doxycycline Hyclate129 claims
- Ketoconazole104 claims
- Mupirocin94 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: $2,516.46
140 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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
- Prohealth Partners, A Medical GroupLakewood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael N. Castro among 2,083 dermatology physician records in California
Michael N. Castro, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1992 · median 2006 among the 1,450 with a school on file
- Record last updated2013 · 58% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Lakewood → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Fredric Rosenberg, M.D.Lakewood, CA 907121295885630
- Julia Alexander, MDHarbor City, CA 907101669531281
- Kamran Askari, M.D.Harbor City, CA 907101043411879
- Ronald Blond, MDHarbor City, CA 907101871660886
- Yu-Fahn Yuen, MDHarbor City, CA 907101982771796
- Myung-Moo Lee, MDBellflower, CA 907061083786321
- Thomas Lerner, MDBellflower, CA 907061255408100
- Pamela Nemzer, MDBellflower, CA 907061821165754
Common questions
What is Michael N. Castro, MD's NPI number?
Michael N. Castro, MD's National Provider Identifier (NPI) is 1437180320, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael N. Castro, MD located?
The NPPES record lists a practice address at 5750 Downey Ave, Lakewood, CA, 90712. Phone: (562) 630-3105. Providers update this record themselves, so call before visiting.
How can I verify Michael N. Castro, MD's license?
NPPES lists California license number A69701, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael N. Castro, MD prescribe under Medicare Part D?
In 2024, Michael N. Castro, MD had 2,031 Medicare Part D claims for 528 beneficiaries; the average among dermatology physician prescribers was 797. 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.