Dr. Maria L. Castillo, MD
- Medicare services, 2018
- 16
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 67
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 7930 Frost St, San Diego, CA 92123
- Practice phone
- Call (858) 565-0104
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Diego Ambulatory Surgery Center
Surgery Center - Not Medicare-Certified · San Diego, California
Find Dr. Castillo'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. Maria L. Castillo is an OB-GYN in San Diego, California
Dr. Castillo practices at San Diego Ambulatory Surgery Center in San Diego, California.
Dr. Castillo's NPI, 1962566489, was assigned on December 20, 2006. Dr. Castillo graduated from Wayne State University School Of Medicine in 1990. Dr. Castillo holds California license A067938.
- NPI
- 1962566489NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163562968
- NPI enumeration date
- December 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 565-0104
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria L. Castillo practices at San Diego Ambulatory Surgery Center in San Diego, California
Dr. Castillo's primary practice is San Diego Ambulatory Surgery Center, at 7930 Frost St, San Diego, CA 92123. The practice phone is (858) 565-0104.
- San Diego Ambulatory Surgery Center7930 Frost St, San Diego, CA 92123Phone(858) 565-0104
Source: Dmand AI Affiliation Data
Dr. Maria L. Castillo is affiliated with 6 sites of care and 2 medical groups
Dr. Castillo's primary practice is San Diego Ambulatory Surgery Center in San Diego, California. Dr. Castillo is also affiliated with Sharp Memorial Hospital. The medical group on file is Emergency and Acute Care Medical Corporation. Dmand AI also links Dr. Castillo to 1 more hospital, 2 group practices and clinics, 1 physician office and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Maria L. Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castillo practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Diego Ambulatory Surgery Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria L. Castillo is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Castillo's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Castillo is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Castillo's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Michigan license
Clinical focus
Dmand AI lists menopause, pelvic prolapse and vaginal infection among the conditions Dr. Castillo treats.
OB-GYNs near Dr. Castillo
Counts of OB-GYNs 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. Maria L. Castillo billed Medicare for 16 services in 2018
CMS data shows 16 Medicare services from Dr. Castillo across 1 procedure code in 2018, all of them office visits, for 16 Medicare patients. Medicare paid $723 for them. Every service was in an office.
Dr. Castillo compared with the California median for OB-GYNs, 2018
- Dr. Castillo
- California median
- Medicare services
- 16vs 5872% below
- Medicare patients
- 16vs 5269% below
- Part D claims
- 30vs 3514% below
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Castillo's most billed Medicare procedure codes, 2018
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. Castillo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Castillo and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria L. Castillo treated 16 Medicare patients in 2024, average age 72
CMS counts 16 Medicare patients who saw Dr. Castillo in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Castillo's median patient age at 34, with 98% women.
Chronic conditions among Dr. Castillo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Castillo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women98%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maria L. Castillo wrote 67 Medicare Part D claims in 2024
In 2024, Dr. Castillo wrote 67 Medicare Part D claims for 15 patients. 72% of them were for generic drugs. CMS names the drug for 30 of them, across 2 drugs with 11 or more claims each, at $3,339 in total drug cost. In 2023, CMS named 28 claims across 2 drugs.
Dr. Castillo's Part D claims by kind of drug, 2024
- Generic48 claims72%
- Brand-name19 claims28%
Dr. Castillo'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 282024: 307%
Drugs named by CMS: 2 in 2024, 2 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
How Dr. Maria L. Castillo takes part in Medicare
Dr. Castillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Maria L. Castillo has 2 publications on record
Dmand AI links 2 papers to Dr. Castillo, published from 2020 to 2021. Dr. Castillo's most frequent co-authors are Lianne Simone Gensler, MD, Jean W. Liew, MD and John D. Reveille, MD.
Dr. Castillo's most frequent co-authors
- Lianne Simone Gensler, MD2 shared papers
- Jean W. Liew, MD1 shared paper
- John D. Reveille, MD1 shared paper
Recent publications by Dr. Castillo
See who Dr. Castillo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Castillo works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Maria L. Castillo received $2,594 in industry payments from 2016 to 2025
CMS Open Payments shows 77 general payments to Dr. Castillo from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Intuitive Surgical, Inc. paid the most, $1,051.
General payments to Dr. Castillo by program year, 2016 to 2025
General payments to Dr. Castillo by kind, 2016 to 2025
- Food and beverage$1,60862%
- Travel and lodging$94837%
- Education$381%
Companies that paid Dr. Castillo 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. Maria L. Castillo graduated from Wayne State University School Of Medicine
Dr. Castillo graduated from Wayne State University School Of Medicine in 1990.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Maria L. Castillo accepts plans from 15 insurance carriers
Dr. Castillo is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Castillo accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- EPO3
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Maria L. Castillo'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Maria L. Castillo
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. Maria L. Castillo's NPI number?
Dr. Maria L. Castillo's NPI number is 1962566489. It was assigned on December 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria L. Castillo?
Dr. Maria L. Castillo is an OB-GYN in San Diego, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Maria L. Castillo practice?
Dr. Castillo practices at 7930 Frost St, San Diego, CA 92123. Dr. Castillo's primary practice is San Diego Ambulatory Surgery Center in San Diego, California. Dmand AI also links Dr. Castillo to 1 hospital, 2 group practices and clinics, 1 physician office and 1 medical group.
What is Dr. Maria L. Castillo's office phone number?
The practice phone on file for Dr. Castillo is (858) 565-0104.
What is Dr. Maria L. Castillo's medical license number?
Dr. Castillo holds California license A067938, one of the licenses on file in 2 states.
Which states has Dr. Maria L. Castillo been licensed in?
Dmand AI has state licenses on file for Dr. Castillo in California (1999 to 2027) and Michigan (1992 to 2002).
Which hospitals is Dr. Maria L. Castillo affiliated with?
Dr. Castillo is affiliated with Sharp Memorial Hospital. Dmand AI links Dr. Castillo to 1 more hospital.
What medical group is Dr. Maria L. Castillo part of?
Dr. Castillo is linked to Emergency and Acute Care Medical Corporation. Dmand AI links Dr. Castillo to 1 more medical group.
Does Dr. Maria L. Castillo accept Medicare?
Yes. CMS data shows Dr. Castillo billed Medicare for 16 services in 2018, and Dr. Castillo accepts Medicare assignment.
How many Medicare patients does Dr. Maria L. Castillo see?
CMS counts 16 Medicare patients who saw Dr. Castillo in 2024, with an average age of 72.
Show 9 more questionsShow fewer questions
Is Dr. Maria L. Castillo board certified?
Yes. Dr. Castillo is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Maria L. Castillo bill to Medicare?
In 2018, Dr. Castillo's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Maria L. Castillo go to medical school?
Dr. Castillo graduated from Wayne State University School Of Medicine in 1990.
What drugs does Dr. Maria L. Castillo prescribe most?
In 2024 Medicare Part D data, Dr. Castillo's most prescribed drugs by claims were Estradiol and Prempro.
Has Dr. Maria L. Castillo received payments from drug or device companies?
CMS Open Payments shows $2,594 in general payments to Dr. Castillo from 27 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Maria L. Castillo been practicing?
Dr. Castillo graduated from medical school in 1990, 36 years ago.
Does Dr. Maria L. Castillo do research?
Dmand AI links 2 publications to Dr. Castillo, published from 2020 to 2021.
Who does Dr. Maria L. Castillo publish with?
Dr. Castillo's most frequent co-authors are Lianne Simone Gensler, MD (2 shared papers), Jean W. Liew, MD (1 shared paper) and John D. Reveille, MD (1 shared paper).
What insurance does Dr. Maria L. Castillo accept?
Dr. Castillo is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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