Nolan Giehl, M.D.
NPI 1538600895 · Nephrology Physician · Woodland Hills, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nolan Giehl, M.D. is a Nephrology Physician provider in Woodland Hills, CA (NPI 1538600895).
Provider details
- NPI number
- 1538600895
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
22 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 22 | $81 |
Typical Medicare-allowed amounts for these services range $81–$81 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 258 | 84 |
| Losartan Potassium | 171 | 60 |
| Amlodipine Besylate | 138 | 57 |
| Atorvastatin Calcium | 128 | 47 |
| Lisinopril | 105 | 48 |
| Furosemide | 97 | 50 |
| Spironolactone |
Practice location
Mailing address
Additional practice locations (1)
- 4150 V St # 1100Sacramento, CA 95817-1460Phone: (916) 734-2737
Registry dates
- Enumerated
- 2017-03-19
- Last updated
- 2022-09-02
- Certified
- 2022-09-02
Frequently asked questions
- What is Nolan Giehl's NPI number?
- Nolan Giehl's National Provider Identifier (NPI) is 1538600895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nolan Giehl's specialty?
- Nolan Giehl is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Nolan Giehl located?
- Nolan Giehl's practice location on file with NPPES is Kaiser Permanente Woodland Hills Medical Center, Woodland Hills, CA 91367.
- What is Nolan Giehl's phone number?
- The practice phone number listed in the NPPES registry for Nolan Giehl is (818) 719-2480.
- Does Nolan Giehl accept Medicare?
- Nolan Giehl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nolan Giehl's NPI active?
- Yes — Nolan Giehl's NPI (1538600895) is active in the NPPES registry as of the last update on 2022-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.