Harkamaljit Chagger, FNP
NPI 1245007269 · Family Nurse Practitioner · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harkamaljit Chagger, FNP is a Family Nurse Practitioner provider in Walnut Creek, CA (NPI 1245007269).
Provider details
- NPI number
- 1245007269
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95023885 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 254 | 84 |
| Gabapentin | 82 | 35 |
| Oxycodone Hcl | 66 | 25 |
| Ibuprofen | 35 | 11 |
| Zolpidem Tartrate | 32 | — |
| Cyclobenzaprine Hcl | 31 | 15 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-12-08
- Last updated
- 2024-07-16
- Certified
- 2024-07-16
Frequently asked questions
- What is Harkamaljit Chagger's NPI number?
- Harkamaljit Chagger's National Provider Identifier (NPI) is 1245007269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harkamaljit Chagger's specialty?
- Harkamaljit Chagger is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Harkamaljit Chagger located?
- Harkamaljit Chagger's practice location on file with NPPES is 450 N Wiget Ln, Walnut Creek, CA 94598-2408.
- What is Harkamaljit Chagger's phone number?
- The practice phone number listed in the NPPES registry for Harkamaljit Chagger is (925) 691-9806.
- Does Harkamaljit Chagger accept Medicare?
- Harkamaljit Chagger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harkamaljit Chagger's NPI active?
- Yes — Harkamaljit Chagger's NPI (1245007269) is active in the NPPES registry as of the last update on 2024-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.