Janel Diehr, APRN, FNP
NPI 1871910737 · Family Nurse Practitioner · Sunnyvale, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janel Diehr, APRN, FNP is a Family Nurse Practitioner provider in Sunnyvale, CA (NPI 1871910737).
Provider details
- NPI number
- 1871910737
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 306967 (GA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 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
148 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 57 | $76 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 31 | $94 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 21 | $35 |
| Administration of Influenza Virus VaccineG0008 | 14 | $30 |
| Detection Test By Nucleic Acid for Strep (streptococcus, Group A), Amplified Probe Technique87651 | 13 | $34 |
| Admn Sarscov2 Vacc 1 Dose90480 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-27
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is Janel Diehr's NPI number?
- Janel Diehr's National Provider Identifier (NPI) is 1871910737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janel Diehr's specialty?
- Janel Diehr is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Janel Diehr located?
- Janel Diehr's practice location on file with NPPES is 323 Soquel Way, Sunnyvale, CA 94085-4102.
- What is Janel Diehr's phone number?
- The practice phone number listed in the NPPES registry for Janel Diehr is (408) 665-3728.
- Does Janel Diehr accept Medicare?
- Janel Diehr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janel Diehr's NPI active?
- Yes — Janel Diehr's NPI (1871910737) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.