Maria Creselda De Leon, MD
Gynecologic Oncology Physician · Santa Clarita, CA
Maria Creselda De Leon, MD is a gynecologic oncology physician with a practice address in Santa Clarita, California, and NPI 1073773073, issued on Jun 12, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maria Creselda De Leon
- Credential
- MD
- Primary taxonomy
- Gynecologic Oncology Physician 207VX0201X
- License number
- 01071053A IN
Self-reported in NPPES; status is on the state search - Practice location
- 23823 Valencia Blvd Ste 250, Santa Clarita, CA 91355
- Phone
- (661) 799-1999
- Enumerated
- Jun 12, 2008
- Record last updated
- Dec 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (661) 799-0829
- Medicare enrollment
- Enrolled (PECOS I20160302002288); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gynecologic oncology physician records → All 176 in California → Look up another NPI →
Also registered at 23823 Valencia Blvd Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vincent Louie Mendiola, M.D.Hematology & Oncology Physician1922534866
- Kristina Wittig, MDUrology Physician1215995998
Verify Maria Creselda De Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average gynecologic oncology physician in 2024
276 Medicare Part D claims for 121 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 69 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen58 claims
- Ondansetron Odt45 claims
- Estradiol24 claims
- Paroxetine Hcl17 claims
- Clotrimazole-Betamethasone14 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 practice group's MIPS final score for 2023 (Medicare payment program): 99.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $34.97
2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 1,199 providers of this specialty with any payment received $6,387.20 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
- City OF Hope Medical FoundationMission Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Creselda De Leon among 176 gynecologic oncology physician records in California
Maria Creselda De Leon, MD is one of 176 gynecologic oncology physician records with a practice address in California. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 35% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2008 · median 2004 among the 131 with a school on file
- Record last updated2020 · 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 207VX0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecologic Oncology Physician providers in California
There are 176 gynecologic oncology physician records in California.
All 176 in California → Every provider in Santa Clarita → Gynecologic Oncology Physician nationwide →
The 8 gynecologic oncology physician records with the nearest ZIP codes
- Annie Yessaian, M.D.Tarzana, CA 913561457356578
- Amy Hakim, MDMission Hills, CA 913451093909228
- Wei-Chien Lin, MDMission Hills, CA 913451437260775
- Christine Holschneider, MDSylmar, CA 913421871636928
- Federico Alva, M.D.Northridge, CA 913251649200379
- Raffi Chalian, MDGlendale, CA 912061184670408
- Diana Cholakian Pearre, MDBurbank, CA 915051659714475
- Paul Lin, M.D.Pasadena, CA 911061083619100
Common questions
What is Maria Creselda De Leon, MD's NPI number?
Maria Creselda De Leon, MD's National Provider Identifier (NPI) is 1073773073, issued on Jun 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maria Creselda De Leon, MD located?
The NPPES record lists a practice address at 23823 Valencia Blvd Ste 250, Santa Clarita, CA, 91355. Phone: (661) 799-1999. Providers update this record themselves, so call before visiting.
How can I verify Maria Creselda De Leon, MD's license?
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 Maria Creselda De Leon, MD prescribe under Medicare Part D?
In 2024, Maria Creselda De Leon, MD had 276 Medicare Part D claims for 121 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.
What is Maria Creselda De Leon, MD's MIPS final score?
The 2023 MIPS final score is 99.1 of 100, reported for the practice group. 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.