Isabella Loy
Family Medicine Physician · Tulsa, OK
Isabella Loy is a family medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1841969664, issued on Sep 7, 2021. Check the license (Oklahoma 5172, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Isabella Loy
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 5172 OK
Self-reported in NPPES; status is on the state search - Practice location
- 12020 E 31St St, Tulsa, OK 74146
- Phone
- (918) 622-0641
- Enumerated
- Sep 7, 2021
- Record last updated
- Jan 8, 2024
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →
Also registered at 12020 E 31St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Roberto Elvir Zelaya, MDFamily Medicine Physician1790190148
- Whitney Ferguson, LMSWClinical Social Worker1396201497
- Sarah Hart, DNP APRN FNP-BCFamily Nurse Practitioner1669197331
Verify Isabella Loy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 5172Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
144 Medicare Part D claims for 32 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $24.49
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Isabella Loy among 2,303 family medicine physician records in Oklahoma
Isabella Loy is one of 2,303 family medicine physician records with a practice address in Oklahoma. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 89% of them.
- NPI issued2021 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
388 family medicine physician records list a practice address in Tulsa
They are 388 of the 18,643 NPPES records with a practice address in Tulsa, and 2,303 family medicine physician records in Oklahoma.
All 2,303 in Oklahoma → Every provider in Tulsa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lyndsey Daggs, DOTulsa, OK 741461215590260
- Roberto Elvir Zelaya, MDTulsa, OK 741461790190148
- Jaspreet Kaur, DOTulsa, OK 741461215458443
- Melanie Kraft, MDTulsa, OK 741461528006590
- Stacy Philip, MDTulsa, OK 741461366025207
- Paul Pisarik, MDTulsa, OK 741461306843248
- Leah Upton, D.O.Tulsa, OK 741461184982423
- Amanda Bighorse, D.O.Tulsa, OK 741451619243888
Common questions
What is Isabella Loy's NPI number?
Isabella Loy's National Provider Identifier (NPI) is 1841969664, issued on Sep 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Isabella Loy located?
The NPPES record lists a practice address at 12020 E 31St St, Tulsa, OK, 74146. Phone: (918) 622-0641. Providers update this record themselves, so call before visiting.
How can I verify Isabella Loy's license?
NPPES lists Oklahoma license number 5172, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isabella Loy prescribe under Medicare Part D?
In 2024, Isabella Loy had 144 Medicare Part D claims for 32 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.