Irene Lee-Klass, MD
NPI 1588984611 · Family Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irene Lee-Klass, MD is a Family Medicine Physician provider in Sacramento, CA (NPI 1588984611).
Provider details
- NPI number
- 1588984611
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
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 tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 276 | 96 |
| Losartan Potassium | 186 | 63 |
| Amlodipine Besylate | 165 | 53 |
| Levothyroxine Sodium | 109 | 31 |
| Hydrochlorothiazide | 104 | 39 |
| Lisinopril | 101 | 32 |
| Simvastatin | 100 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-11
- Last updated
- 2022-01-10
Frequently asked questions
- What is Irene Lee-Klass's NPI number?
- Irene Lee-Klass's National Provider Identifier (NPI) is 1588984611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Lee-Klass's specialty?
- Irene Lee-Klass is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Irene Lee-Klass located?
- Irene Lee-Klass's practice location on file with NPPES is 1201 Alhambra Blvd, Sacramento, CA 95816-5238.
- What is Irene Lee-Klass's phone number?
- The practice phone number listed in the NPPES registry for Irene Lee-Klass is (916) 451-4400.
- Does Irene Lee-Klass accept Medicare?
- Irene Lee-Klass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irene Lee-Klass's NPI active?
- Yes — Irene Lee-Klass's NPI (1588984611) is active in the NPPES registry as of the last update on 2022-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.