Jenny Haag, FNP-C
NPI 1649628280 · Family Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jenny Haag, FNP-C is a Family Nurse Practitioner provider in Phoenix, AZ (NPI 1649628280).
Provider details
- NPI number
- 1649628280
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP9890 (AZ)
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 tenure28% of score
10 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
147 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 | 96 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $74 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 | $137 |
Typical Medicare-allowed amounts for these services range $74–$137 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 142 | 82 |
| Lisinopril | 79 | 41 |
| Levothyroxine Sodium | 78 | 45 |
| Metformin Hcl | 58 | 35 |
| Losartan Potassium | 46 | 27 |
| Amlodipine Besylate | 44 | 25 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-24
- Last updated
- 2026-05-15
- Certified
- 2026-05-15
Frequently asked questions
- What is Jenny Haag's NPI number?
- Jenny Haag's National Provider Identifier (NPI) is 1649628280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jenny Haag's specialty?
- Jenny Haag is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jenny Haag located?
- Jenny Haag's practice location on file with NPPES is 4025 E Chandler Blvd Ste 42, Phoenix, AZ 85048-8832.
- What is Jenny Haag's phone number?
- The practice phone number listed in the NPPES registry for Jenny Haag is (480) 677-8282.
- Does Jenny Haag accept Medicare?
- Jenny Haag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jenny Haag's NPI active?
- Yes — Jenny Haag's NPI (1649628280) is active in the NPPES registry as of the last update on 2026-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.