Julie Grissett, GNP
NPI 1538471446 · Gerontology Nurse Practitioner · Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Grissett, GNP is a Gerontology Nurse Practitioner provider in Houston, TX (NPI 1538471446).
Provider details
- NPI number
- 1538471446
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- GNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 679290 (TX)
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
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
406 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) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 204 | $64 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 164 | $106 |
| Advance Care Planning, First 30 Minutes99497 | 27 | $69 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 11 | $155 |
Typical Medicare-allowed amounts for these services range $64–$155 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 21 | — |
| Furosemide | 21 | 11 |
| Pantoprazole Sodium | 17 | — |
| Lactulose | 17 | — |
| Zolpidem Tartrate | 15 | — |
| Gabapentin | 14 | — |
| Trazodone Hcl | 14 | — |
Practice location
Mailing address
Additional practice locations (1)
- 8588 Katy Fwy Ste 226aHouston, TX 77024-1881Phone: (713) 532-6884
Registry dates
- Enumerated
- 2010-07-08
- Last updated
- 2021-07-02
- Certified
- 2021-07-02
Frequently asked questions
- What is Julie Grissett's NPI number?
- Julie Grissett's National Provider Identifier (NPI) is 1538471446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Grissett's specialty?
- Julie Grissett is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Julie Grissett located?
- Julie Grissett's practice location on file with NPPES is 7887 Cambridge St, Houston, TX 77054-2013.
- What is Julie Grissett's phone number?
- The practice phone number listed in the NPPES registry for Julie Grissett is (713) 562-4641.
- Does Julie Grissett accept Medicare?
- Julie Grissett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Grissett's NPI active?
- Yes — Julie Grissett's NPI (1538471446) is active in the NPPES registry as of the last update on 2021-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.