Preslav Valchev, MD
Internal Medicine Physician · Barrington, IL
Preslav Valchev, MD is an internal medicine physician with a practice address in Barrington, Illinois, and NPI 1508596636, issued on Jun 13, 2022. Check the license (Illinois 036180015, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Preslav Valchev
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036180015 IL
Self-reported in NPPES; status is on the state search - Practice location
- 106 Barrington Commons Court, Barrington, IL 60011
- Phone
- (847) 719-2265
- Enumerated
- Jun 13, 2022
- Record last updated
- May 18, 2026
- Fax
- (847) 719-2265
- Medicaid ID
- 036180015 IL
- Medicare enrollment
- Enrolled (PECOS I20250821000196); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 106 Barrington Commons Court
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandi Motisi, APN, FNP-CAdult Health Nurse Practitioner1821233149
- Amy Wlodek, APRNAdult Health Nurse Practitioner1831772912
Verify Preslav Valchev in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036180015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
319 Medicare Part D claims for 53 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate24 claims
- Atorvastatin Calcium16 claims
- Lisinopril11 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
- Med-Cure Internal Medicine PLCGoodyear, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Preslav Valchev among 7,238 internal medicine physician records in Illinois
Preslav Valchev, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 78% of them.
- NPI issued2022 · 78% of these records are older, 18% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2021 · median 2003 among the 3,580 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 internal medicine physician records list a practice address in Barrington
They are 17 of the 756 NPPES records with a practice address in Barrington, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Barrington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shrestha Singh, DOBarrington, IL 600111164126009
- Roseann Brady, D.O.North Barrington, IL 600101477604106
- Robert Brizzolara, M.D.Crystal Lake, IL 600121265677199
- Barbara Burrell, MDCrystal Lake, IL 600121417055765
- Joseph Daddino, M.D.Barrington, IL 600101194081075
- Lindsay Esch, M.D.Crystal Lake, IL 600121407110034
- Galina Goode, M.D.Barrington, IL 600101336209618
- Syed Haider, M.D.Crystal Lake, IL 600121912017898
Common questions
What is Preslav Valchev, MD's NPI number?
Preslav Valchev, MD's National Provider Identifier (NPI) is 1508596636, issued on Jun 13, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Preslav Valchev, MD located?
The NPPES record lists a practice address at 106 Barrington Commons Court, Barrington, IL, 60011. Phone: (847) 719-2265. Providers update this record themselves, so call before visiting.
How can I verify Preslav Valchev, MD's license?
NPPES lists Illinois license number 036180015, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Preslav Valchev, MD prescribe under Medicare Part D?
In 2024, Preslav Valchev, MD had 319 Medicare Part D claims for 53 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.