Marion Tan, DNP
Adult Health Nurse Practitioner · Long Grove, IL
Marion Tan, DNP is an adult health nurse practitioner with a practice address in Long Grove, Illinois, and NPI 1427666304, issued on Jul 16, 2020. Check the license (Illinois 209025913, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marion Tan
- Credential
- DNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 209025913 IL
041.456357 IL
209.025913 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3880 Salem Lake Dr Ste F, Long Grove, IL 60047
- Phone
- (847) 719-2220
- Enumerated
- Jul 16, 2020
- Record last updated
- Sep 9, 2024
- Fax
- (847) 719-2265
- Medicaid ID
- 209025913 IL
- Medicare enrollment
- Enrolled (PECOS I20220609000549); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 743 in Illinois → Look up another NPI →
Also registered at 3880 Salem Lake Dr Ste F
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sara Acosta, FNP-CAdult Health Nurse Practitioner1831548478
- Jeric Agnes, FNP-BCAdult Health Nurse Practitioner1114532611
- Faiza Ahmed, MDInternal Medicine Physician1912561242
- Marwah AlchalabiInternal Medicine Physician1356929723
- Nancy Awadallah, M.D.Internal Medicine Physician1952337172
- Lisa Babin, MDAdult Medicine Physician1639527229
Verify Marion Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209025913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
354 Medicare Part D claims for 75 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium54 claims
- Levothyroxine Sodium22 claims
- Amlodipine Besylate21 claims
- Losartan Potassium21 claims
- Metformin Hcl16 claims
- Fluticasone Propionate13 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.
Bills Medicare through one group practice
- Best Practices Inpatient Care, Ltd.Long Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marion Tan among 743 adult health nurse practitioner records in Illinois
Marion Tan, DNP is one of 743 adult health nurse practitioner records with a practice address in Illinois. 65% 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 86% of them.
- NPI issued2020 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2022 · median 2013 among the 372 with a school on file
- 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 363LA2200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 adult health nurse practitioner records list a practice address in Long Grove
They are 28 of the 190 NPPES records with a practice address in Long Grove, and 743 adult health nurse practitioner records in Illinois.
All 743 in Illinois → Every provider in Long Grove → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Sara Acosta, FNP-CLong Grove, IL 600471831548478
- Monica Bieszczad, FNP-BCLong Grove, IL 600471124513080
- Lana Bratko, FNP-CLong Grove, IL 600471336627165
- Jessica Christiansen, DNP, APN, AG-ACNP-BCLong Grove, IL 600471861979189
- Erin Daly, FNP-BCLong Grove, IL 600471891240636
- Donna Digloria, APNLong Grove, IL 600471629260724
- Alexis Gellar, AGPCNPLong Grove, IL 600471205346053
- Mae Grace Mendoza, APNLong Grove, IL 600471023563335
Common questions
What is Marion Tan, DNP's NPI number?
Marion Tan, DNP's National Provider Identifier (NPI) is 1427666304, issued on Jul 16, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marion Tan, DNP located?
The NPPES record lists a practice address at 3880 Salem Lake Dr Ste F, Long Grove, IL, 60047. Phone: (847) 719-2220. Providers update this record themselves, so call before visiting.
How can I verify Marion Tan, DNP's license?
NPPES lists Illinois license number 209025913, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Marion Tan, DNP prescribe under Medicare Part D?
In 2024, Marion Tan, DNP had 354 Medicare Part D claims for 75 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.