Dr. Michael N. Castro, MD
- Medicare services, 2024
- 992
- Medicare patients, 2024
- 224
- Part D claims, 2024
- 2,031
- Industry payments
- $12,893
- Affiliated sites
- 1
- Practice address
- 5750 Downey Ave, Lakewood, CA 90712
- Practice phone
- Call (661) 472-4177
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lakewood Functional Restoration ASC, LLC
Lakewood, California
Find Dr. Castro's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael N. Castro is a dermatologist in Lakewood, California
Dr. Castro practices at Lakewood Functional Restoration ASC, LLC in Lakewood, California.
Dr. Castro's NPI, 1437180320, was assigned on July 6, 2006. Dr. Castro graduated from University of the East College of Medicine in 1992. Dr. Castro's California license number on file is A69701.
- NPI
- 1437180320NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628096724
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (661) 472-4177
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael N. Castro practices at Lakewood Functional Restoration ASC, LLC in Lakewood, California
Dr. Castro's primary practice is Lakewood Functional Restoration ASC, LLC, at 5750 Downey Ave, Lakewood, CA 90712 in Los Angeles County. The practice phone is (661) 472-4177.
- Lakewood Functional Restoration ASC, LLC5750 Downey Ave, Lakewood, CA 90712 · Los Angeles CountyPhone(661) 472-4177
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael N. Castro is affiliated with 2 sites of care and 1 medical group
Dr. Castro's primary practice is Lakewood Functional Restoration ASC, LLC in Lakewood, California. The medical group on file is ProHealth Partners. Dmand AI also links Dr. Castro to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael N. Castro's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castro practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lakewood Functional Restoration ASC, LLC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael N. Castro is one of 1,910 dermatologists in California
Dermatology is Dr. Castro's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dmand AI has Dr. Castro's licenses on file in 2 states: California and Arizona.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
- Arizona license
Clinical focus
Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, contact dermatitis, itchy rashes, joint cyst and psoriasis among the conditions Dr. Castro treats.
Dermatologists near Dr. Castro
Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael N. Castro billed Medicare for 992 services in 2024
CMS data shows 992 Medicare services from Dr. Castro across 7 procedure codes in 2024, for 224 Medicare patients. Medicare paid $39,609 for them. Every service was in an office.
Dr. Castro's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3532024: 3472%
- Surgery
- 2023: 2682024: 34629%
- Drugs given in the office
- 2023: 3202024: 2997%
Dr. Castro compared with the California median for dermatologists, 2024
- Dr. Castro
- California median
- Medicare services
- 992vs 1,75043% below
- Medicare patients
- 224vs 37741% below
- Part D claims
- 1,866vs 3675.1 times
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Castro's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Castro?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Castro and other dermatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael N. Castro treated 224 Medicare patients in 2024, average age 74
CMS counts 224 Medicare patients who saw Dr. Castro in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Castro's median patient age at 66, with 55% women.
Dr. Castro's Medicare patients by age, 2024
Dr. Castro's Medicare patients by sex, 2024
- Women11853%
- Men10647%
Chronic conditions among Dr. Castro's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes40%
- Chronic kidney disease31%
- Depression21%
- Ischemic heart disease21%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Castro's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael N. Castro wrote 2,031 Medicare Part D claims in 2024
In 2024, Dr. Castro wrote 2,031 Medicare Part D claims for 528 patients. 82% of them were for generic drugs. CMS names the drug for 1,866 of them, across 37 drugs with 11 or more claims each, at $1,736,592 in total drug cost. In 2023, CMS named 1,624 claims across 31 drugs.
Dr. Castro's Part D claims by kind of drug, 2024
- Generic1,666 claims82%
- Brand-name and other365 claims18%
Dr. Castro's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Castro's Part D claims, 2024
- Antibiotics7%148 of 2,031 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6242024: 1,86615%
Drugs named by CMS: 37 in 2024, 31 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Michael N. Castro ranks in the 81st percentile for removal of skin lesions in Medicare
Dr. Castro accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 257 procedures of removal of skin lesions by Dr. Castro, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Castro ranks in Medicare procedure volume
- Removal of skin lesions
- 81st percentile257 procedures
- Skin biopsy
- 72nd percentile71 procedures
- Melanoma (skin cancer) excision
- 71st percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael N. Castro received $12,893 in industry payments from 2016 to 2025
CMS Open Payments shows 751 general payments to Dr. Castro from 63 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Abbvie Inc. paid the most, $2,707.
General payments to Dr. Castro by program year, 2016 to 2025
General payments to Dr. Castro by kind, 2016 to 2025
- Food and beverage$12,27995%
- Education$6145%
Companies that paid Dr. Castro the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael N. Castro graduated from University of the East College of Medicine
Dr. Castro graduated from University of the East College of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Michael N. Castro accepts plans from 13 insurance carriers
Dr. Castro is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Humana
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- +5 more carriersWith a free account
Plan types Dr. Castro accepts, by number of carriers
- Medicare11
- PPO8
- HMO6
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael N. Castro's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael N. Castro
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael N. Castro's NPI number?
Dr. Michael N. Castro's NPI number is 1437180320. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael N. Castro?
Dr. Michael N. Castro is a dermatologist in Lakewood, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Michael N. Castro practice?
Dr. Castro practices at 5750 Downey Ave, Lakewood, CA 90712. Dr. Castro's primary practice is Lakewood Functional Restoration ASC, LLC in Lakewood, California. Dmand AI also links Dr. Castro to 1 group practice or clinic.
What is Dr. Michael N. Castro's office phone number?
The practice phone on file for Dr. Castro is (661) 472-4177.
What is Dr. Michael N. Castro's medical license number?
Dr. Castro's California license number on file is A69701, one of the licenses on file in 2 states.
Which states has Dr. Michael N. Castro been licensed in?
Dmand AI has state licenses on file for Dr. Castro in California (1999 to 2025) and Arizona (since 2000).
What medical group is Dr. Michael N. Castro part of?
Dr. Castro is linked to ProHealth Partners.
Does Dr. Michael N. Castro accept Medicare?
Yes. CMS data shows Dr. Castro billed Medicare for 992 services in 2024, and Dr. Castro accepts Medicare assignment.
How many Medicare patients does Dr. Michael N. Castro see?
CMS counts 224 Medicare patients who saw Dr. Castro in 2024, with an average age of 74.
What services does Dr. Michael N. Castro bill to Medicare?
In 2024, Dr. Castro's most billed Medicare services were injected or infused drug (J2001), office visit, established patient (99213) and surgery: skin and soft tissue (17000).
Show 5 more questionsShow fewer questions
Where did Dr. Michael N. Castro go to medical school?
Dr. Castro graduated from University of the East College of Medicine in 1992.
What drugs does Dr. Michael N. Castro prescribe most?
In 2024 Medicare Part D data, Dr. Castro's most prescribed drugs by claims were Clobetasol Propionate, Triamcinolone Acetonide and Fluocinonide.
Has Dr. Michael N. Castro received payments from drug or device companies?
CMS Open Payments shows $12,893 in general payments to Dr. Castro from 63 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Michael N. Castro been practicing?
Dr. Castro graduated from medical school in 1992, 34 years ago.
What insurance does Dr. Michael N. Castro accept?
Dr. Castro is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
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