Greisy Ash, ARNP
NPI 1861992273 · Family Nurse Practitioner · Lakeland, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greisy Ash, ARNP is a Family Nurse Practitioner provider in Lakeland, FL (NPI 1861992273).
Provider details
- NPI number
- 1861992273
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- ARNP9333073 (FL)
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
8 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
94 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 35 | $109 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 30 | $67 |
| Initial Hospital Care With Same-Day Admission and Discharge With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 70 Minutes99235 | 29 | $133 |
Typical Medicare-allowed amounts for these services range $67–$133 (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 · 4 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 26 | 25 |
| Prednisone | 18 | 16 |
| Ondansetronbrand: Ondansetron Odt | 14 | 14 |
| Clindamycin Hcl | 11 | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-02-13
- Last updated
- 2021-01-21
- Certified
- 2021-01-21
Frequently asked questions
- What is Greisy Ash's NPI number?
- Greisy Ash's National Provider Identifier (NPI) is 1861992273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greisy Ash's specialty?
- Greisy Ash is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Greisy Ash located?
- Greisy Ash's practice location on file with NPPES is 5615 S Florida Ave Ste 111, Lakeland, FL 33813-2714.
- What is Greisy Ash's phone number?
- The practice phone number listed in the NPPES registry for Greisy Ash is (863) 327-0132.
- Does Greisy Ash accept Medicare?
- Greisy Ash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greisy Ash's NPI active?
- Yes — Greisy Ash's NPI (1861992273) is active in the NPPES registry as of the last update on 2021-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.