Nolan Michael Giehl, M.D.
Nephrology Physician · Woodland Hills, CA
Nolan Michael Giehl, M.D. is a nephrology physician with a practice address in Woodland Hills, California, and NPI 1538600895, issued on Mar 19, 2017. Check the license (California A157538, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nolan Michael Giehl
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A157538 CA
Self-reported in NPPES; status is on the state search - Practice location
- Kaiser Permanente Woodland Hills Medical Center, Woodland Hills, CA 91367
- Phone
- (818) 719-2480
- Enumerated
- Mar 19, 2017
- Record last updated
- Sep 2, 2022
- Fax
- (818) 719-2477
- Medicare enrollment
- Enrolled (PECOS I20220901003347); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Verify Nolan Michael Giehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157538Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average nephrology physician in 2024
1,933 Medicare Part D claims for 416 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Jardiance258 claims
- Losartan Potassium171 claims
- Amlodipine Besylate138 claims
- Atorvastatin Calcium128 claims
- Lisinopril105 claims
- Furosemide97 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
- Southern California Permanente Medical GroupOxnard, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nolan Michael Giehl among 1,468 nephrology physician records in California
Nolan Michael Giehl, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 91% of them.
- NPI issued2017 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2017 · median 2001 among the 1,128 with a school on file
- Record last updated2022 · 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 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Woodland Hills → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Joseph Cha, M.D.Woodland Hills, CA 913671902003668
- Fred Hauter, MDWoodland Hills, CA 913671235287178
- Bruce Markham, MDWoodland Hills, CA 913671154479095
- James Min, DOWoodland Hills, CA 913671073855961
- Eric Tong, MDWoodland Hills, CA 913671902954993
- Anthony Capparelli, M.D.Thousand Oaks, CA 913611033119946
- Paul Finkel, M.D.Thousand Oaks, CA 913601275533499
- Arian Gower, M.D.Thousand Oaks, CA 913601639531403
Common questions
What is Nolan Michael Giehl, M.D.'s NPI number?
Nolan Michael Giehl, M.D.'s National Provider Identifier (NPI) is 1538600895, issued on Mar 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nolan Michael Giehl, M.D. located?
The NPPES record lists a practice address at Kaiser Permanente Woodland Hills Medical Center, Woodland Hills, CA, 91367. Phone: (818) 719-2480. Providers update this record themselves, so call before visiting.
How can I verify Nolan Michael Giehl, M.D.'s license?
NPPES lists California license number A157538, 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 Nolan Michael Giehl, M.D. prescribe under Medicare Part D?
In 2024, Nolan Michael Giehl, M.D. had 1,933 Medicare Part D claims for 416 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.