Gay Parker, ARNP
NPI 1104992536 · Family Nurse Practitioner · Muskogee, OK
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gay Parker, ARNP is a Family Nurse Practitioner provider in Muskogee, OK (NPI 1104992536).
Provider details
- NPI number
- 1104992536
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- R0062703 (OK)
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
19 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
993 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 | 433 | $71 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 403 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 91 | $102 |
| Administration of Vaccine90471 | 32 | $16 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 22 | $44 |
| Initial Preventive Physical Examination; Face-To-Face Visit, Services Limited to New Beneficiary During the First 12 Months of Medicare EnrollmentG0402 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 308 | 65 |
| Amlodipine Besylate | 164 | 33 |
| Pravastatin Sodium | 151 | 44 |
| Atorvastatin Calcium | 144 | 36 |
| Rosuvastatin Calcium | 119 | 32 |
| Metoprolol Succinate | 115 | 26 |
| Alprazolam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$730 across 45 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
- 2006-11-28
- Last updated
- 2017-02-03
Frequently asked questions
- What is Gay Parker's NPI number?
- Gay Parker's National Provider Identifier (NPI) is 1104992536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gay Parker's specialty?
- Gay Parker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gay Parker located?
- Gay Parker's practice location on file with NPPES is 3300 Chandler Rd, Muskogee, OK 74403-4957.
- What is Gay Parker's phone number?
- The practice phone number listed in the NPPES registry for Gay Parker is (918) 681-3333.
- Does Gay Parker accept Medicare?
- Gay Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gay Parker's NPI active?
- Yes — Gay Parker's NPI (1104992536) is active in the NPPES registry as of the last update on 2017-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.