Tania Diaz
Physician Assistant · Crystal Lake, IL
Tania Diaz is a physician assistant with a practice address in Crystal Lake, Illinois, and NPI 1366070955, issued on Mar 30, 2020. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tania Diaz
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 241 Commerce Dr Ste 102, Crystal Lake, IL 60014
- Phone
- (815) 524-2200
- Enumerated
- Mar 30, 2020
- Record last updated
- Oct 10, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 241 Commerce Dr Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Haydee Cantu-Manley, M.D.Family Medicine Physician1043638042
Verify Tania Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average physician assistant in 2024
766 Medicare Part D claims for 126 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 11 claims were for opioids.
Most prescribed
- Levothyroxine Sodium42 claims
- Atorvastatin Calcium39 claims
- Omeprazole28 claims
- Metformin Hcl27 claims
- Lisinopril25 claims
- Albuterol Sulfate Hfa22 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: $821.36
46 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 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.
Tania Diaz among 4,926 physician assistant records in Illinois
Tania Diaz is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 58% of them.
- NPI issued2020 · 58% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 physician assistant records list a practice address in Crystal Lake
They are 23 of the 1,442 NPPES records with a practice address in Crystal Lake, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Crystal Lake → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Meredith Angele, PA-CCrystal Lake, IL 600141548890775
- Tucker Benjamin, MS, PA-CCrystal Lake, IL 600141407122591
- Amanda Diamond, PA-CCrystal Lake, IL 600141003147406
- Payton GentgesCrystal Lake, IL 600141184445447
- Christopher Northern, PACrystal Lake, IL 600141043300767
- Makiko Ogino-McElligott, PA-CCrystal Lake, IL 600141134121965
- Sayra PasquesiCrystal Lake, IL 600141952824534
- Robin Pond, M.M.S., PA-CCrystal Lake, IL 600141124449558
Common questions
What is Tania Diaz's NPI number?
Tania Diaz's National Provider Identifier (NPI) is 1366070955, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Tania Diaz located?
The NPPES record lists a practice address at 241 Commerce Dr Ste 102, Crystal Lake, IL, 60014. Phone: (815) 524-2200. Providers update this record themselves, so call before visiting.
How can I verify Tania Diaz's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Tania Diaz prescribe under Medicare Part D?
In 2024, Tania Diaz had 766 Medicare Part D claims for 126 beneficiaries; the average among physician assistant prescribers was 830. 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.