Ayse Ece Cali Daylan, MD
Medical Oncology Physician · Saint Louis, MO
Ayse Ece Cali Daylan, MD is a medical oncology physician with a practice address in Saint Louis, Missouri, and NPI 1720509557, issued on Jul 1, 2017. Check the license (Missouri 2023049394, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Ayse Ece Cali Daylan
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 2023049394 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4921 Parkview PL, Saint Louis, MO 63110
- Phone
- (314) 747-1171
- Enumerated
- Jul 1, 2017
- Record last updated
- Apr 15, 2025
- Fax
- (314) 362-7086
- Medicaid ID
- 200142612 MO
- Medicare enrollment
- Enrolled (PECOS I20240806001561); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 156 in Missouri → Look up another NPI →
Also registered at 4921 Parkview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ayse Ece Cali Daylan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2023049394Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average medical oncology physician in 2024
74 Medicare Part D claims for 25 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Prochlorperazine Maleate13 claims
- Ondansetron Hcl12 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: $411.91
4 payments; by number, the most common kind was food and beverage; the largest payer was Exelixis Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ayse Ece Cali Daylan among 156 medical oncology physician records in Missouri
Ayse Ece Cali Daylan, MD is one of 156 medical oncology physician records with a practice address in Missouri. 92% 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 86% of them.
- NPI issued2017 · 86% of these records are older, 9% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2014 · median 2003 among the 127 with a school on file
- Record last updated2025 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Missouri
There are 156 medical oncology physician records in Missouri.
All 156 in Missouri → Every provider in Saint Louis → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Maria Baggstrom, MDSaint Louis, MO 631101679599971
- Milan Chheda, MDSaint Louis, MO 631101902852494
- Ramaswamy Govindan, MDSaint Louis, MO 631101023034261
- Brad Kahl, MDSaint Louis, MO 631101407822430
- Timothy Ley, MDSaint Louis, MO 631101447278874
- Cynthia Ma, MDSaint Louis, MO 631101104842400
- Loren Michel, MDSaint Louis, MO 631101306862545
- Daniel Morgensztern, MDSaint Louis, MO 631101154379915
Common questions
What is Ayse Ece Cali Daylan, MD's NPI number?
Ayse Ece Cali Daylan, MD's National Provider Identifier (NPI) is 1720509557, issued on Jul 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ayse Ece Cali Daylan, MD located?
The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 747-1171. Providers update this record themselves, so call before visiting.
How can I verify Ayse Ece Cali Daylan, MD's license?
NPPES lists Missouri license number 2023049394, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ayse Ece Cali Daylan, MD prescribe under Medicare Part D?
In 2024, Ayse Ece Cali Daylan, MD had 74 Medicare Part D claims for 25 beneficiaries; the average among medical oncology physician prescribers was 703. 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.