Jennifer Grosstick, AUD
NPI 1639120074 · Audiologist-Hearing Aid Fitter · Phoenix, AZ
Enrolled with Medicare as Practitioner - Qualified Audiologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Grosstick, AUD is a Audiologist-Hearing Aid Fitter provider in Phoenix, AZ (NPI 1639120074).
Provider details
- NPI number
- 1639120074
- Entity type
- Individual
- Primary specialty
- Audiologist-Hearing Aid FitterSpeech, Language and Hearing Service Providers
- Credential
- AUD
- Sex
- Female
- Sole proprietor
- No
- License
- DA1822 (AZ)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,160 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) |
|---|---|---|
| Test to Assess Middle Ear Function92567 | 580 | $16 |
| Comprehensive Hearing and Speech Recognition Test92557 | 529 | $35 |
| Test to Assess Balance During Warm and Cool Irrigation in Both Ears92537 | 19 | $38 |
| Evaluation and Testing for Balance With Recording92540 | 19 | $103 |
| Test for Hearing Various Pitches Using Earphone and Device Placed Against the Bone92553 | 13 | $44 |
Typical Medicare-allowed amounts for these services range $16–$103 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2023-12-19
- Certified
- 2023-12-19
Frequently asked questions
- What is Jennifer Grosstick's NPI number?
- Jennifer Grosstick's National Provider Identifier (NPI) is 1639120074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Grosstick's specialty?
- Jennifer Grosstick is listed in the NPPES registry with a primary specialty of Audiologist-Hearing Aid Fitter (Speech, Language and Hearing Service Providers).
- Where is Jennifer Grosstick located?
- Jennifer Grosstick's practice location on file with NPPES is 4530 E Shea Blvd Ste 180, Phoenix, AZ 85028-6042.
- What is Jennifer Grosstick's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Grosstick is (602) 264-4834.
- Does Jennifer Grosstick accept Medicare?
- Jennifer Grosstick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Grosstick's NPI active?
- Yes — Jennifer Grosstick's NPI (1639120074) is active in the NPPES registry as of the last update on 2023-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.