Shannon Marker, CRNP
NPI 1447989827 · Nurse Practitioner · State College, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Marker, CRNP is a Nurse Practitioner provider in State College, PA (NPI 1447989827).
Provider details
- NPI number
- 1447989827
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- SP025794 (PA)
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
4 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
20 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 20 | $73 |
Typical Medicare-allowed amounts for these services range $73–$73 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 109 | 36 |
| Calcium Acetate | 65 | 13 |
| Sevelamer Carbonate | 54 | 22 |
| Olmesartan Medoxomil | 48 | 12 |
| Spironolactone | 41 | 12 |
| Hydrochlorothiazide | 31 | 11 |
| Carvedilol | 29 | 11 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$234 across 6 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
- 2022-06-09
- Last updated
- 2022-06-09
- Certified
- 2022-06-09
Frequently asked questions
- What is Shannon Marker's NPI number?
- Shannon Marker's National Provider Identifier (NPI) is 1447989827, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Marker's specialty?
- Shannon Marker is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shannon Marker located?
- Shannon Marker's practice location on file with NPPES is 1850 E Park Ave Ste 201, State College, PA 16803-6706.
- What is Shannon Marker's phone number?
- The practice phone number listed in the NPPES registry for Shannon Marker is (814) 689-3140.
- Does Shannon Marker accept Medicare?
- Shannon Marker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Marker's NPI active?
- Yes — Shannon Marker's NPI (1447989827) is active in the NPPES registry as of the last update on 2022-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.