Melissa Grizzle, FNP
NPI 1205124070 · Family Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Grizzle, FNP is a Family Nurse Practitioner provider in Saint Louis, MO (NPI 1205124070).
Provider details
- NPI number
- 1205124070
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2010010923 (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
14 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
106 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 | 106 | $105 |
Typical Medicare-allowed amounts for these services range $105–$105 (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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 118 | 62 |
| Amlodipine Besylate | 82 | 44 |
| Metoprolol Succinate | 54 | 28 |
| Lisinopril | 53 | 34 |
| Metformin Hcl | 51 | 25 |
| Losartan Potassium | 43 | 25 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-07-14
- Last updated
- 2025-04-17
Frequently asked questions
- What is Melissa Grizzle's NPI number?
- Melissa Grizzle's National Provider Identifier (NPI) is 1205124070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Grizzle's specialty?
- Melissa Grizzle is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Grizzle located?
- Melissa Grizzle's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is Melissa Grizzle's phone number?
- The practice phone number listed in the NPPES registry for Melissa Grizzle is (800) 647-2098.
- Does Melissa Grizzle accept Medicare?
- Melissa Grizzle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Grizzle's NPI active?
- Yes — Melissa Grizzle's NPI (1205124070) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.