Gregory Chipman, M.D.
NPI 1457493967 · Medical Oncology Physician · American Fork, UT
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Chipman, M.D. is a Medical Oncology Physician provider in American Fork, UT (NPI 1457493967).
Provider details
- NPI number
- 1457493967
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 47737 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
4,296 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 812 | $7 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 715 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 500 | $120 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 247 | $26 |
| Measurement of Immunoglobulin Light Chains83521 | 240 | $17 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 88 | 31 |
| Enzalutamidebrand: Xtandi | 51 | — |
| Palbociclibbrand: Ibrance | 50 | — |
| Ibrutinibbrand: Imbruvica | 32 | — |
| Prochlorperazine Maleate | 31 | 15 |
| Lenalidomidebrand: Revlimid | 31 | — |
| Zanubrutinibbrand: Brukinsa | 27 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,633 across 160 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
- 2007-02-12
- Last updated
- 2016-10-10
Frequently asked questions
- What is Gregory Chipman's NPI number?
- Gregory Chipman's National Provider Identifier (NPI) is 1457493967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Chipman's specialty?
- Gregory Chipman is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Chipman located?
- Gregory Chipman's practice location on file with NPPES is 48 N 1100 E, American Fork, UT 84003-2910.
- What is Gregory Chipman's phone number?
- The practice phone number listed in the NPPES registry for Gregory Chipman is (801) 492-9934.
- Does Gregory Chipman accept Medicare?
- Gregory Chipman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Chipman's NPI active?
- Yes — Gregory Chipman's NPI (1457493967) is active in the NPPES registry as of the last update on 2016-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.