NPPES file of Aug 9, 2026

Cheryl Ann Chessick, MD

Psychiatry Physician · Clackamas, OR

Cheryl Ann Chessick, MD is a psychiatry physician with a practice address in Clackamas, Oregon, and NPI 1083707897, issued on Oct 2, 2006. Check the license (Oregon MD162381, as entered in NPPES) on the Oregon Medical Board; 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
1083707897
Name
Cheryl Ann Chessick
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
MD162381 OR
28578 CO
Self-reported in NPPES; status is on the state search
Practice location
9800 SE Sunnyside RD, Clackamas, OR 97015
Phone
(800) 813-2000
Enumerated
Oct 2, 2006
Record last updated
Apr 3, 2026
Medicaid ID
01285782 CO
Medicare enrollment
Enrolled (PECOS I20260424001085); accepts Medicare assignment
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 9800 SE Sunnyside RD

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

  1. Jacqueline AdlawanFamily Medicine Physician1598708125
  2. Tatyana Aleksandrova, MDInternal Medicine Physician1740719103
  3. Jun Ying Ao, PSY.D.Counselor1548396450
  4. Ashley Austin, M.D.Family Medicine Physician1285097543
  5. Jaspreet Bains, PHARM DPharmacist1356591184
  6. Kristina Barley, MDFamily Medicine Physician1891145462

Verify Cheryl Ann Chessick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD162381
    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 Oregon license search

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2.9 times the Medicare Part D claims of the average psychiatry physician in 2024

2,935 Medicare Part D claims for 415 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Cheryl Chessick2,935
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl243 claims
  2. Clonazepam237 claims
  3. Lamotrigine129 claims
  4. Quetiapine Fumarate128 claims
  5. Lorazepam126 claims
  6. Dextroamphetamine-Amphetamine106 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.

Cheryl Ann Chessick among 764 psychiatry physician records in Oregon

Cheryl Ann Chessick, MD is one of 764 psychiatry physician records with a practice address in Oregon. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 57% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 39% of these records are
  • Graduated1986 · median 2009 among the 300 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Oregon

There are 764 psychiatry physician records in Oregon.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Mark Brown, MDClackamas, OR 970151932318078
  2. My ChuongClackamas, OR 970151245650324
  3. Seema Dewani, MBBSClackamas, OR 970151710120324
  4. Debrin Goubert, MDClackamas, OR 970151326048539
  5. Rory Green, M.D.Clackamas, OR 970151245344266
  6. Josiah Hagen, D.O.Clackamas, OR 970151568604221
  7. Heather Knott, DOClackamas, OR 970151194900084
  8. Leonard Marcel, M.D.Clackamas, OR 970151649383563

Common questions

What is Cheryl Ann Chessick, MD's NPI number?

Cheryl Ann Chessick, MD's National Provider Identifier (NPI) is 1083707897, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cheryl Ann Chessick, MD located?

The NPPES record lists a practice address at 9800 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.

How can I verify Cheryl Ann Chessick, MD's license?

NPPES lists Oregon license number MD162381, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Cheryl Ann Chessick, MD prescribe under Medicare Part D?

In 2024, Cheryl Ann Chessick, MD had 2,935 Medicare Part D claims for 415 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.