Nickolay T. Teophilov, M.D.
Rheumatology Physician · Glendale, CA
Nickolay T. Teophilov, M.D. is a rheumatology physician with a practice address in Glendale, California, and NPI 1710058987, issued on Nov 10, 2006. Check the license (California A55038, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nickolay T. Teophilov
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A55038 CA
Self-reported in NPPES; status is on the state search - Practice location
- 222 W Eulalia St, Glendale, CA 91204
- Phone
- (310) 472-0171
- Enumerated
- Nov 10, 2006
- Record last updated
- Jun 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (310) 472-0171
- Medicaid ID
- 00A550380 CA
- Medicare enrollment
- Enrolled (PECOS I20040914000534); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 222 W Eulalia St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ray Bloss, PA-CPhysician Assistant1174733265
- John Cabrera, M.DObstetrics & Gynecology Physician1992798730
Verify Nickolay T. Teophilov in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A55038Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average rheumatology physician in 2024
156 Medicare Part D claims for 16 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Methotrexate27 claims
- Xeljanz11 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.
Bills Medicare through one group practice
- County OF Los AngelesLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nickolay T. Teophilov among 926 rheumatology physician records in California
Nickolay T. Teophilov, M.D. is one of 926 rheumatology 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1990 · median 2003 among the 641 with a school on file
- Record last updated2008 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Glendale → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Ramesh Kesavalu, M.D.Glendale, CA 912041932147626
- Noune Pashinian, MDGlendale, CA 912031952460859
- Anna Lafian, D.O.Glendale, CA 912061700206182
- Penny Chong, M.D.Agoura Hills, CA 913011093937112
- Irene Tong, M.D.Pasadena, CA 911071962439299
- David Brown, MDPasadena, CA 911051689710055
- Stratos Christianakis, M.D.Pasadena, CA 911051831114008
- Roodabeh Koolaee, DOPasadena, CA 911051316250525
Common questions
What is Nickolay T. Teophilov, M.D.'s NPI number?
Nickolay T. Teophilov, M.D.'s National Provider Identifier (NPI) is 1710058987, issued on Nov 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nickolay T. Teophilov, M.D. located?
The NPPES record lists a practice address at 222 W Eulalia St, Glendale, CA, 91204. Phone: (310) 472-0171. Providers update this record themselves, so call before visiting.
How can I verify Nickolay T. Teophilov, M.D.'s license?
NPPES lists California license number A55038, 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 Nickolay T. Teophilov, M.D. prescribe under Medicare Part D?
In 2024, Nickolay T. Teophilov, M.D. had 156 Medicare Part D claims for 16 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.