Claudiu G. Gherlan, MD
Internal Medicine Physician · Madison, WI
Claudiu G. Gherlan, MD is an internal medicine physician with a practice address in Madison, Wisconsin, and NPI 1639134216, issued on Apr 18, 2006. Check the license (Wisconsin 45470-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Claudiu G. Gherlan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 45470-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 8202 Excelsior Dr, Madison, WI 53717
- Phone
- (608) 831-1766
- Enumerated
- Apr 18, 2006
- Record last updated
- Oct 25, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (608) 662-4185
- Medicaid ID
- 34384000 WI
- Medicare enrollment
- Enrolled (PECOS I20051228000645); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 8202 Excelsior Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David AdamsFamily Medicine Physician1992986897
- Ghadeer AlafifiSpecialist1033466529
- Kelly Andrews, DCChiropractor1467471888
- Michele Bahl, LCSWClinical Social Worker1376762682
- Sarah Bazurto, PHARM DPharmacist1477844173
- Ann Behrmann, MDPediatrics Physician1518050343
Verify Claudiu G. Gherlan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 45470-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average internal medicine physician in 2024
5,304 Medicare Part D claims for 550 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 369 claims were for opioids.
Most prescribed
- Atorvastatin Calcium308 claims
- Omeprazole157 claims
- Eliquis154 claims
- Lisinopril141 claims
- Amlodipine Besylate139 claims
- Tamsulosin Hcl131 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): 80.2 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).
Bills Medicare through 2 group practices
- Group Health Cooperative OF South Central WisconsinMadison, WI
- Meriter Hospital IncMiddleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claudiu G. Gherlan among 2,078 internal medicine physician records in Wisconsin
Claudiu G. Gherlan, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1994 · median 2002 among the 1,098 with a school on file
- Record last updated2012 · 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 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
417 internal medicine physician records list a practice address in Madison
They are 417 of the 15,014 NPPES records with a practice address in Madison, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Madison → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lorna Belsky, MDMadison, WI 537171912974536
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- Shobhina Chheda, MDMadison, WI 537171538136213
- Daniela Constantinescu, MDMadison, WI 537171033103940
- David Feldstein, MDMadison, WI 537171396712444
- James Haine, MDMadison, WI 537171629063110
- Peter Idsvoog, MDMadison, WI 537171407822448
- Kristin Lewicki, MDMadison, WI 537171285695106
Common questions
What is Claudiu G. Gherlan, MD's NPI number?
Claudiu G. Gherlan, MD's National Provider Identifier (NPI) is 1639134216, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Claudiu G. Gherlan, MD located?
The NPPES record lists a practice address at 8202 Excelsior Dr, Madison, WI, 53717. Phone: (608) 831-1766. Providers update this record themselves, so call before visiting.
How can I verify Claudiu G. Gherlan, MD's license?
NPPES lists Wisconsin license number 45470-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Claudiu G. Gherlan, MD prescribe under Medicare Part D?
In 2024, Claudiu G. Gherlan, MD had 5,304 Medicare Part D claims for 550 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Claudiu G. Gherlan, MD's MIPS final score?
The 2023 MIPS final score is 80.2 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.