Gabrielle Giamanco, APRN
NPI 1821614561 · Family Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gabrielle Giamanco, APRN is a Family Nurse Practitioner provider in Saint Louis, MO (NPI 1821614561).
Provider details
- NPI number
- 1821614561
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2021050320 (MO)
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
6 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
491 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 319 | $88 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 89 | $125 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 63 | $88 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 20 | $125 |
Typical Medicare-allowed amounts for these services range $88–$125 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Sertraline Hcl | 31 |
| Brexpiprazolebrand: Rexulti | 28 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 26 |
| Carvedilol | 22 |
| Gabapentin | 21 |
| Levothyroxine Sodium | 20 |
| Trazodone Hcl | 19 |
| Potassium Chloride | 19 |
| Metoprolol Tartrate | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-06-18
- Last updated
- 2022-05-27
- Certified
- 2022-05-27
Frequently asked questions
- What is Gabrielle Giamanco's NPI number?
- Gabrielle Giamanco's National Provider Identifier (NPI) is 1821614561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gabrielle Giamanco's specialty?
- Gabrielle Giamanco is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gabrielle Giamanco located?
- Gabrielle Giamanco's practice location on file with NPPES is 621 S New Ballas Rd, Saint Louis, MO 63141-8232.
- What is Gabrielle Giamanco's phone number?
- The practice phone number listed in the NPPES registry for Gabrielle Giamanco is (314) 251-7702.
- Does Gabrielle Giamanco accept Medicare?
- Gabrielle Giamanco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gabrielle Giamanco's NPI active?
- Yes — Gabrielle Giamanco's NPI (1821614561) is active in the NPPES registry as of the last update on 2022-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.