NPPES file of Aug 9, 2026

Christopher Glendinning

Sleep Medicine (Internal Medicine) Physician · Walla Walla, WA

Christopher Glendinning is a sleep medicine (internal medicine) physician with a practice address in Walla Walla, Washington, and NPI 1235472325, issued on Mar 27, 2013. Check the license (Washington OP60756150, as entered in NPPES) on the Washington Medical Commission; 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
1235472325
Name
Christopher Glendinning
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License numbers
OP60756150 WA
DO3935 NV
Self-reported in NPPES; status is on the state search
Practice location
401 W Poplar St, Walla Walla, WA 99362
Phone
(509) 897-2700
Enumerated
Mar 27, 2013
Record last updated
Jan 7, 2026
Fax
(509) 897-5527
Medicare enrollment
Enrolled (PECOS I20251128000000); 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 401 W Poplar St

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

  1. Mohammed Omar Ahmed, M.DInternal Medicine Physician1659756443
  2. Jose AlanisEmergency Medicine Physician1720461502
  3. Christopher Aldrich, M.D.Anesthesiology Physician1891084562
  4. Tami Arias, RNDiabetes Educator Registered Nurse1760959514
  5. Caroline Arnold, MDEmergency Medicine Physician1811492739
  6. Alexandra Baker, DNPNurse Practitioner1306473202

Verify Christopher Glendinning in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP60756150
    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 Washington license search

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97% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

16 Medicare Part D claims, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Christopher Glendinning16
  2. Specialty average585

Most prescribed

  1. Gabapentin11 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. Providence Health And Services - WashingtonWalla Walla, WA

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

Christopher Glendinning among 52 sleep medicine (internal medicine) physician records in Washington

Christopher Glendinning is one of 52 sleep medicine (internal medicine) physician records with a practice address in Washington. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 75% of them.

  • NPI issued2013 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2013 · median 2001 among the 38 with a school on file
  • Record last updated2026 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in Washington

There are 52 sleep medicine (internal medicine) physician records in Washington.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Stephen Chung, MDWalla Walla, WA 993621578673703
  2. Richard Simon, MDWalla Walla, WA 993621942214333
  3. Cheta Nand, M.D.Richland, WA 993521528163680
  4. Sophie Gomez, M.D.Kennewick, WA 993381497725998
  5. Todd Green, MDSpokane, WA 992081558300269
  6. Donald Howard, M.D.Spokane, WA 992041376590778
  7. Usha NandhiniPullman, WA 991631669997045
  8. James Osmanski, DONewman Lake, WA 990251235275660

Common questions

What is Christopher Glendinning's NPI number?

Christopher Glendinning's National Provider Identifier (NPI) is 1235472325, issued on Mar 27, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Glendinning located?

The NPPES record lists a practice address at 401 W Poplar St, Walla Walla, WA, 99362. Phone: (509) 897-2700. Providers update this record themselves, so call before visiting.

How can I verify Christopher Glendinning's license?

NPPES lists Washington license number OP60756150, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Glendinning prescribe under Medicare Part D?

In 2024, Christopher Glendinning had 16 Medicare Part D claims; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.