Crystal Ann Simpson, DMD
General Practice Dentistry · Oquawka, IL
Crystal Ann Simpson, DMD is a general practice dentistry with a practice address in Oquawka, Illinois, and NPI 1265817977, issued on Jul 23, 2015. Check the license (Illinois 019.030303, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal Ann Simpson
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 019.030303 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1204 Hwy 164 E., Oquawka, IL 61469
- Phone
- (309) 867-2202
- Enumerated
- Jul 23, 2015
- Record last updated
- Jul 23, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (309) 867-2789
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Verify Crystal Ann Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019.030303Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average general practice dentistry in 2024
61 Medicare Part D claims for 37 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin13 claims
- Penicillin V Potassium11 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: $27.71
1 payment: food and beverage; the largest payer was Align Technology, Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
Crystal Ann Simpson among 5,276 general practice dentistry records in Illinois
Crystal Ann Simpson, DMD is one of 5,276 general practice dentistry records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.
- NPI issued2015 · 75% of these records are older, 24% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2015 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 general practice dentistry records list a practice address in Oquawka
They are 4 of the 16 NPPES records with a practice address in Oquawka, and 5,276 general practice dentistry records in Illinois.
All 5,276 in Illinois → Every provider in Oquawka → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Ross Bowen, D.D.S.Oquawka, IL 614691538422472
- Jonathan Dingeldein, DDSOquawka, IL 614691932454873
- Rola Kim, DMDOquawka, IL 614691679319313
- Stephen Johnson, D.D.S.Monmouth, IL 614621194941849
- Philip Sexton, D.D.S.Monmouth, IL 614621942374335
- Mickey Singh, D.M.D.Stronghurst, IL 614801558133728
- Jon Dively, DDSMacomb, IL 614551659596393
- Ellyse Henkle, DMDMacomb, IL 614551396631297
Common questions
What is Crystal Ann Simpson, DMD's NPI number?
Crystal Ann Simpson, DMD's National Provider Identifier (NPI) is 1265817977, issued on Jul 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Ann Simpson, DMD located?
The NPPES record lists a practice address at 1204 Hwy 164 E., Oquawka, IL, 61469. Phone: (309) 867-2202. Providers update this record themselves, so call before visiting.
How can I verify Crystal Ann Simpson, DMD's license?
NPPES lists Illinois license number 019.030303, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal Ann Simpson, DMD prescribe under Medicare Part D?
In 2024, Crystal Ann Simpson, DMD had 61 Medicare Part D claims for 37 beneficiaries; the average among general practice dentistry prescribers was 83. 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.