Katie Marks, APRN
NPI 1841922531 · Nurse Practitioner · Port St Joe, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Marks, APRN is a Nurse Practitioner provider in Port St Joe, FL (NPI 1841922531).
Provider details
- NPI number
- 1841922531
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- APRN11019803 (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 tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
34 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 18 | $89 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $68 |
Typical Medicare-allowed amounts for these services range $68–$89 (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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 49 | 35 |
| Losartan Potassium | 40 | 15 |
| Amlodipine Besylate | 39 | 18 |
| Atorvastatin Calcium | 37 | 19 |
| Omeprazole | 37 | 20 |
| Lisinopril | 35 | 15 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$814 across 32 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-30
- Last updated
- 2024-10-03
- Certified
- 2024-10-03
Frequently asked questions
- What is Katie Marks's NPI number?
- Katie Marks's National Provider Identifier (NPI) is 1841922531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Marks's specialty?
- Katie Marks is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katie Marks located?
- Katie Marks's practice location on file with NPPES is 3871 E Highway 98 Ste 203, Port St Joe, FL 32456-5302.
- What is Katie Marks's phone number?
- The practice phone number listed in the NPPES registry for Katie Marks is (850) 229-5661.
- Does Katie Marks accept Medicare?
- Katie Marks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Marks's NPI active?
- Yes — Katie Marks's NPI (1841922531) is active in the NPPES registry as of the last update on 2024-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.