Gilbert Perkins Klemann, MD
Urology Physician · Portland, OR
Gilbert Perkins Klemann, MD is a urology physician with a practice address in Portland, Oregon, and NPI 1679629927, issued on Jan 26, 2007. Check the license (Oregon MD27214, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gilbert Perkins Klemann
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- MD27214 OR
Self-reported in NPPES; status is on the state search - Practice location
- 5050 NE Hoyt St Ste 514, Portland, OR 97213
- Phone
- (503) 488-2323
- Enumerated
- Jan 26, 2007
- Record last updated
- Mar 27, 2024
- Fax
- (503) 488-2340
- Medicaid IDs
- 247523 OR
8476020 WA - Medicare enrollment
- Enrolled (PECOS I20070305000789); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest urology physician records → All 188 in Oregon → Look up another NPI →
Also registered at 5050 NE Hoyt St Ste 514
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Da David Jiang, M.D.Urology Physician1639556384
- Lance Marr, M.D.Urology Physician1982745121
- Katarina McClung, PAPhysician Assistant1053191700
- Jacob Richard, MDUrology Physician1760665723
- Miguel Rodriguez-Homs, MDUrology Physician1487150132
- Savannah TranPhysician Assistant1942823935
Verify Gilbert Perkins Klemann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD27214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average urology physician in 2024
1,400 Medicare Part D claims for 432 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 119 claims were for opioids.
Most prescribed
- Tamsulosin Hcl437 claims
- Finasteride196 claims
- Myrbetriq181 claims
- Ciprofloxacin Hcl152 claims
- Oxycodone Hcl107 claims
- Oxybutynin Chloride Er51 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $603.39
24 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 9,340 providers of this specialty with any payment received $3,800.04 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
- The Oregon Clinic, PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gilbert Perkins Klemann among 188 urology physician records in Oregon
Gilbert Perkins Klemann, MD is one of 188 urology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 31% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2002 · median 2004 among the 134 with a school on file
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Oregon
There are 188 urology physician records in Oregon.
All 188 in Oregon → Every provider in Portland → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- John Gunselman, D.O.Portland, OR 972131194953125
- Da David Jiang, M.D.Portland, OR 972131639556384
- Lance Marr, M.D.Portland, OR 972131982745121
- David Menashe, MDPortland, OR 972131376535617
- Jacob Richard, MDPortland, OR 972131760665723
- Miguel Rodriguez-Homs, MDPortland, OR 972131487150132
- Amanda Vandlac, M.D.Portland, OR 972131225328958
- Donald Young, MDPortland, OR 972131013900059
Common questions
What is Gilbert Perkins Klemann, MD's NPI number?
Gilbert Perkins Klemann, MD's National Provider Identifier (NPI) is 1679629927, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gilbert Perkins Klemann, MD located?
The NPPES record lists a practice address at 5050 NE Hoyt St Ste 514, Portland, OR, 97213. Phone: (503) 488-2323. Providers update this record themselves, so call before visiting.
How can I verify Gilbert Perkins Klemann, MD's license?
NPPES lists Oregon license number MD27214, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gilbert Perkins Klemann, MD prescribe under Medicare Part D?
In 2024, Gilbert Perkins Klemann, MD had 1,400 Medicare Part D claims for 432 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Gilbert Perkins Klemann, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.