Alyssa Haspel-Siegel, FNP
NPI 1548344567 · Family Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Haspel-Siegel, FNP is a Family Nurse Practitioner provider in Phoenix, AZ (NPI 1548344567).
Provider details
- NPI number
- 1548344567
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP1018 (AZ)
Specialties & taxonomies
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
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
1,116 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 | 415 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 183 | $104 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 127 | $91 |
| Automated Urinalysis Test81003 | 91 | $2 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 61 | $137 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 254 | 252 |
| Doxycycline Hyclate | 180 | 178 |
| Prednisone | 148 | 140 |
| Cephalexin | 89 | 88 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 76 | 73 |
| Fluticasone Propionate | 76 | 76 |
| Cefdinir | 55 | 55 |
| Azithromycin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2023-10-14
- Certified
- 2023-10-14
Frequently asked questions
- What is Alyssa Haspel-Siegel's NPI number?
- Alyssa Haspel-Siegel's National Provider Identifier (NPI) is 1548344567, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Haspel-Siegel's specialty?
- Alyssa Haspel-Siegel is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alyssa Haspel-Siegel located?
- Alyssa Haspel-Siegel's practice location on file with NPPES is 1515 E Bethany Home Rd Ste 120b, Phoenix, AZ 85014-2495.
- What is Alyssa Haspel-Siegel's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Haspel-Siegel is (602) 674-6260.
- Does Alyssa Haspel-Siegel accept Medicare?
- Alyssa Haspel-Siegel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Haspel-Siegel's NPI active?
- Yes — Alyssa Haspel-Siegel's NPI (1548344567) is active in the NPPES registry as of the last update on 2023-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.