Heather C. May, FNP
Family Nurse Practitioner · Grayslake, IL
Heather C. May, FNP is a family nurse practitioner with a practice address in Grayslake, Illinois, and NPI 1699214049, issued on Feb 17, 2017. Check the license (Illinois 209015165, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather C. May
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209015165 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1170 E Belvidere RD Ste 212, Grayslake, IL 60030
- Phone
- (847) 543-6814
- Enumerated
- Feb 17, 2017
- Record last updated
- Mar 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (847) 543-0787
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 1170 E Belvidere RD Ste 212
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna GertsbergFamily Nurse Practitioner1649079898
Verify Heather C. May in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209015165Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average family nurse practitioner in 2024
962 Medicare Part D claims for 225 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Metoprolol Succinate107 claims
- Atorvastatin Calcium72 claims
- Clopidogrel71 claims
- Amlodipine Besylate66 claims
- Furosemide57 claims
- Losartan Potassium51 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: $293.08
18 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 99,489 providers of this specialty with any payment received $650.95 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.
Heather C. May among 7,639 family nurse practitioner records in Illinois
Heather C. May, FNP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 37% of them.
- NPI issued2017 · 37% of these records are older, 56% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 family nurse practitioner records list a practice address in Grayslake
They are 9 of the 572 NPPES records with a practice address in Grayslake, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Grayslake → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Rosa Camarena, FNPGrayslake, IL 600301295351583
- Caitlin Chandran, APNGrayslake, IL 600301821404336
- Belkis CirarGrayslake, IL 600301811745805
- Vishwa DesaiThird Lake, IL 600301164318432
- Anna GertsbergGrayslake, IL 600301649079898
- Jamie Given, APRNGrayslake, IL 600301760266878
- Alexis Laubersheimer, FNPGrayslake, IL 600301730624750
- Julia Plescia, FNPGrayslake, IL 600301922367606
Common questions
What is Heather C. May, FNP's NPI number?
Heather C. May, FNP's National Provider Identifier (NPI) is 1699214049, issued on Feb 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Heather C. May, FNP located?
The NPPES record lists a practice address at 1170 E Belvidere RD Ste 212, Grayslake, IL, 60030. Phone: (847) 543-6814. Providers update this record themselves, so call before visiting.
How can I verify Heather C. May, FNP's license?
NPPES lists Illinois license number 209015165, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Heather C. May, FNP prescribe under Medicare Part D?
In 2024, Heather C. May, FNP had 962 Medicare Part D claims for 225 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.