Derya Jim Coskun, MD
Neurology Physician · Chula Vista, CA
Derya Jim Coskun, MD is a neurology physician with a practice address in Chula Vista, California, and NPI 1326061318, issued on Jul 25, 2006. Check the license (California C53206, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Derya Jim Coskun
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- C53206 CA
041259 CT
Self-reported in NPPES; status is on the state search - Practice location
- 750 Medical Center CT, Chula Vista, CA 91911
- Phone
- (619) 421-6741
- Enumerated
- Jul 25, 2006
- Record last updated
- Sep 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (619) 421-3777
- Medicare enrollment
- Enrolled (PECOS I20090309000627); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 750 Medical Center CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Anderson, M.D.Neurology Physician1467468306
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- Mona Knight, F.N.P.Occupational Health Nurse Practitioner1386767291
- Liza Marroquin, MD MBAInternal Medicine Physician1841383270
- Fred Schnepper, MDSpecialist1710966155
- Mona Sedky, RPHPharmacist1083045470
Verify Derya Jim Coskun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C53206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average neurology physician in 2024
565 Medicare Part D claims for 80 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Memantine Hcl80 claims
- Carbidopa-Levodopa53 claims
- Donepezil Hcl52 claims
- Gabapentin28 claims
- Ropinirole Hcl21 claims
- Aimovig Autoinjector20 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: $26.34
1 payment: food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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 2 group practices
- Emergency And Acute Care Medical CorporationChula Vista, CA
- ON Call Specialists Medical Group OF San Diego IncChula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derya Jim Coskun among 2,339 neurology physician records in California
Derya Jim Coskun, MD is one of 2,339 neurology physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1997 · median 2006 among the 1,628 with a school on file
- Record last updated2013 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Chula Vista → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Patricia Anderson, M.D.Chula Vista, CA 919111467468306
- Jennifer Jothen, D.O.Chula Vista, CA 919111891957221
- Bena Fisher, MDChula Vista, CA 919101598754939
- Edward Friedman, M.D.Chula Vista, CA 919101053316794
- Roberto Gratianne, M.D.Chula Vista, CA 919101568460624
- Hussaina Saria, MDChula Vista, CA 919101942349956
- Brent Silver, MDChula Vista, CA 919101992246243
- Kenneth Villa, M.D.Chula Vista, CA 919101538270046
Common questions
What is Derya Jim Coskun, MD's NPI number?
Derya Jim Coskun, MD's National Provider Identifier (NPI) is 1326061318, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derya Jim Coskun, MD located?
The NPPES record lists a practice address at 750 Medical Center CT, Chula Vista, CA, 91911. Phone: (619) 421-6741. Providers update this record themselves, so call before visiting.
How can I verify Derya Jim Coskun, MD's license?
NPPES lists California license number C53206, 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 Derya Jim Coskun, MD prescribe under Medicare Part D?
In 2024, Derya Jim Coskun, MD had 565 Medicare Part D claims for 80 beneficiaries; the average among neurology physician prescribers was 1,370. 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.