Jennifer Hasselbach, RN, FNP, MHS, MSN
NPI 1245449529 · Family Nurse Practitioner · Stockton, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Hasselbach, RN, FNP, MHS, MSN is a Family Nurse Practitioner provider in Stockton, CA (NPI 1245449529).
Provider details
- NPI number
- 1245449529
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, FNP, MHS, MSN
- Sex
- Female
- Sole proprietor
- No
- License
- 182600 (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
19 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 41 | 13 |
| Hydrochlorothiazide | 31 | — |
| Levothyroxine Sodium | 28 | — |
| Metformin Hcl | 23 | — |
| Lisinopril | 20 | — |
| Sertraline Hcl | 15 | — |
| Bupropion Hclbrand: Bupropion Hcl Sr |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$423 across 21 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
- 2007-05-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jennifer Hasselbach's NPI number?
- Jennifer Hasselbach's National Provider Identifier (NPI) is 1245449529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Hasselbach's specialty?
- Jennifer Hasselbach is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Hasselbach located?
- Jennifer Hasselbach's practice location on file with NPPES is 415 E Harding Way Ste a, Stockton, CA 95204-6118.
- What is Jennifer Hasselbach's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Hasselbach is (209) 948-1217.
- Does Jennifer Hasselbach accept Medicare?
- Jennifer Hasselbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Hasselbach's NPI active?
- Yes — Jennifer Hasselbach's NPI (1245449529) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.