Registry data as of Aug 27, 2026

Gilla Davis, MD

Psychiatry Physician · Northfield, IL

Gilla Davis, MD is a psychiatry physician with a practice address in Northfield, Illinois, and NPI 1720135502, issued on Jan 4, 2007. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1720135502
Name
Gilla Davis
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
Practice location
310 Happ RD, Northfield, IL 60093
Phone
(847) 441-9933
Enumerated
Jan 4, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 310 Happ RD

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

  1. Debra Behrman, PH.D.Clinical Psychologist1871728568
  2. Katherine Carrane, LCSWClinical Social Worker1487878732
  3. Neil Fialkow, M.D.Psychiatry Physician1508982174
  4. Carol Meynen, M.D.Gynecology Physician1821073339
  5. Penny Powers Beitler, LMFTMarriage & Family Therapist1316236425
  6. Amy Wong, D.D.S.General Practice Dentistry1588829824

Verify Gilla Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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.

74% fewer Medicare Part D claims than the average psychiatry physician in 2024

260 Medicare Part D claims for 37 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D.

  1. Gilla Davis260
  2. Specialty average1,010

Most prescribed

  1. Alprazolam34 claims
  2. Escitalopram Oxalate32 claims
  3. Quetiapine Fumarate22 claims
  4. Duloxetine Hcl19 claims
  5. Venlafaxine Hcl Er15 claims
  6. Fluoxetine Hcl14 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.

10 psychiatry physician records list a Northfield practice address

They are 10 of the 550 NPPES records with a Northfield practice address, and 2,003 psychiatry physician records in Illinois.

Other psychiatry physician records in Illinois

  1. Alexandra Aaronson, M.D.Chicago, IL1881937928
  2. Anthony Abadir, MDOak Park, IL1295312551
  3. Jeff Abbott, M.D.Chicago, IL1265887509
  4. Kathryn AbbottChicago, IL1295537561
  5. Gil Abelita, MDBloomington, IL1619986551
  6. Dinuk Abeysekera, M.D.North Chicago, IL1366616534
  7. Patrick Abler, DOSpringfield, IL1770158537
  8. Jenny Abraham, APNDowners Grove, IL1396322392
  9. Rohit Abraham, MD, MPH, MATChicago, IL1013478932
  10. Constantin Abuzatoaie, M.D.Hoffman Estates, IL1477817062

Common questions

What is Gilla Davis, MD's NPI number?

Gilla Davis, MD's National Provider Identifier (NPI) is 1720135502, issued on Jan 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gilla Davis, MD located?

The NPPES record lists a practice address at 310 Happ RD, Northfield, IL, 60093. Phone: (847) 441-9933. Providers update this record themselves, so call before visiting.

How can I verify Gilla Davis, MD's license?

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 Gilla Davis, MD prescribe under Medicare Part D?

In 2024, Gilla Davis, MD had 260 Medicare Part D claims for 37 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.