Kay Drengler, DO
NPI 1558472159 · Family Medicine Physician · Grass Valley, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kay Drengler, DO is a Family Medicine Physician provider in Grass Valley, CA (NPI 1558472159).
Provider details
- NPI number
- 1558472159
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A7382 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,215 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 610 | $130 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 334 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 97 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 74 | $92 |
| Administration of Influenza Virus VaccineG0008 | 41 | $33 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 354 | 99 |
| Levothyroxine Sodium | 231 | 66 |
| Losartan Potassium | 228 | 68 |
| Amlodipine Besylate | 202 | 65 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 155 | 34 |
| Metoprolol Succinate | 143 | 43 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2015-05-13
Frequently asked questions
- What is Kay Drengler's NPI number?
- Kay Drengler's National Provider Identifier (NPI) is 1558472159, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kay Drengler's specialty?
- Kay Drengler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kay Drengler located?
- Kay Drengler's practice location on file with NPPES is 10058 Wolf Rd, Grass Valley, CA 95949-8194.
- What is Kay Drengler's phone number?
- The practice phone number listed in the NPPES registry for Kay Drengler is (530) 268-0847.
- Does Kay Drengler accept Medicare?
- Kay Drengler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kay Drengler's NPI active?
- Yes — Kay Drengler's NPI (1558472159) is active in the NPPES registry as of the last update on 2015-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.