Gregory Billings, MPAS
NPI 1598340044 · Surgical Physician Assistant · Tempe, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Billings, MPAS is a Surgical Physician Assistant provider in Tempe, AZ (NPI 1598340044).
Provider details
- NPI number
- 1598340044
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MPAS
- Sex
- Male
- Sole proprietor
- No
- License
- 8367 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
647 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 138 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 135 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 108 | $75 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 34 | $106 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 32 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 184 | 61 |
| Levothyroxine Sodium | 131 | 41 |
| Lisinopril | 106 | 36 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 96 | 32 |
| Losartan Potassium | 87 | 33 |
| Amlodipine Besylate | 86 | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$129 across 2 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
Additional practice locations (1)
- 6242 E Arbor Ave Ste 111-113Mesa, AZ 85206-1309Phone: (480) 718-1290Fax: (480) 718-1301
Registry dates
- Enumerated
- 2021-03-16
- Last updated
- 2025-01-20
- Certified
- 2025-01-20
Frequently asked questions
- What is Gregory Billings's NPI number?
- Gregory Billings's National Provider Identifier (NPI) is 1598340044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Billings's specialty?
- Gregory Billings is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Billings located?
- Gregory Billings's practice location on file with NPPES is 1255 W Rio Salado Pkwy Ste 107, Tempe, AZ 85281-2892.
- What is Gregory Billings's phone number?
- The practice phone number listed in the NPPES registry for Gregory Billings is (480) 962-0071.
- Does Gregory Billings accept Medicare?
- Gregory Billings is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Billings's NPI active?
- Yes — Gregory Billings's NPI (1598340044) is active in the NPPES registry as of the last update on 2025-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.