NPPES file of Aug 9, 2026

Amber Douglas, DO

Internal Medicine Physician · Glenview, IL

Amber Douglas, DO is an internal medicine physician with a practice address in Glenview, Illinois, and NPI 1891318804, issued on May 26, 2020. Check the license (Illinois 036170595, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891318804
Name
Amber Douglas
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036170595 IL
Self-reported in NPPES; status is on the state search
Practice location
1435 Waukegan RD, Glenview, IL 60025
Phone
(847) 832-6500
Enumerated
May 26, 2020
Record last updated
Jun 24, 2024
Medicare enrollment
Enrolled (PECOS I20240705001767); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1435 Waukegan RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jason Canel, MDPediatrics Physician1295800902
  2. Michael Ellison, MDHematology (Internal Medicine) Physician1740357797
  3. Rupal Joshi, MDPediatrics Physician1821523622
  4. Benjamin Kyi, DOFamily Medicine Physician1275094898
  5. Johan Lane, MDInternal Medicine Physician1881740561
  6. Nancy Mantich, MDInternal Medicine Physician1487713038

Verify Amber Douglas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036170595
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% fewer Medicare Part D claims than the average internal medicine physician in 2024

516 Medicare Part D claims for 107 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Amber Douglas516
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium30 claims
  2. Furosemide17 claims
  3. Losartan Potassium15 claims
  4. Amlodipine Besylate14 claims
  5. Levothyroxine Sodium14 claims
  6. Lisinopril14 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

  1. Endeavor Health Medical GroupGlenview, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

57 internal medicine physician records list a practice address in Glenview

They are 57 of the 2,545 NPPES records with a practice address in Glenview, and 7,238 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Amber Douglas, DO's NPI number?

Amber Douglas, DO's National Provider Identifier (NPI) is 1891318804, issued on May 26, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Amber Douglas, DO located?

The NPPES record lists a practice address at 1435 Waukegan RD, Glenview, IL, 60025. Phone: (847) 832-6500. Providers update this record themselves, so call before visiting.

How can I verify Amber Douglas, DO's license?

NPPES lists Illinois license number 036170595, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Amber Douglas, DO prescribe under Medicare Part D?

In 2024, Amber Douglas, DO had 516 Medicare Part D claims for 107 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.