NPPES file of Aug 9, 2026

Cecily Karen Peterson, MD

Internal Medicine Physician · Tacoma, WA

Cecily Karen Peterson, MD is an internal medicine physician with a practice address in Tacoma, Washington, and NPI 1447222369, issued on Feb 3, 2006. Check the license 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
1447222369
Name
Cecily Karen Peterson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
12181R LA
Self-reported in NPPES; status is on the state search
Practice location
Madigan Army Medical Center, Tacoma, WA 98431
Phone
(253) 968-0208
Enumerated
Feb 3, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(253) 968-1168
Medicare enrollment
Enrolled (PECOS I20100622000592); accepts Medicare assignment
Medical or professional school
Geisel School Of Medicine At Dartmouth, 1995
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 Madigan Army Medical Center

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

  1. Cossette Ahlborn, LMHCMental Health Counselor1437122819
  2. Julie Ake, M.D.Internal Medicine Physician1235103797
  3. Lee Artman, M. D.Obstetrics & Gynecology Physician1275505414
  4. Bert Baker, PA-CPhysician Assistant1851421374
  5. Mary Ball, OTROccupational Therapist1831326487
  6. Robert Banda, ATCAthletic Trainer1023547866

Verify Cecily Karen Peterson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical CommissionCheck 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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2.5 times the Medicare Part D claims of the average internal medicine physician in 2024

8,014 Medicare Part D claims for 496 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 167 claims were for opioids.

  1. Cecily Peterson8,014
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium361 claims
  2. Losartan Potassium351 claims
  3. Atorvastatin Calcium344 claims
  4. Amlodipine Besylate329 claims
  5. Carvedilol194 claims
  6. Lisinopril189 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 2 group practices

  1. Duke University Affiliated Physicians, Inc.Durham, NC
  2. Legacy Healthcare Services IncDurham, NC

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

Cecily Karen Peterson among 3,079 internal medicine physician records in Washington

Cecily Karen Peterson, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1995 · median 2006 among the 1,852 with a school on file
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

262 internal medicine physician records list a practice address in Tacoma

They are 262 of the 13,715 NPPES records with a practice address in Tacoma, and 3,079 internal medicine physician records in Washington.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Julie Ake, M.D.Tacoma, WA 984311235103797
  2. Lee Antles, MDTacoma, WA 984311811995525
  3. Karl Brewer, M.D.Tacoma, WA 984311063492288
  4. James Gajewski, MDJoint Base Lewis McChord, WA 984311356349112
  5. Shaila Kode, MDTacoma, WA 984311366416455
  6. Steven Konicek, MDTacoma, WA 984311548231871
  7. Richard Ling, M.D.Tacoma, WA 984311396716684
  8. Fujio McPherson, ARNPTacoma, WA 984311760455760

Common questions

What is Cecily Karen Peterson, MD's NPI number?

Cecily Karen Peterson, MD's National Provider Identifier (NPI) is 1447222369, issued on Feb 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cecily Karen Peterson, MD located?

The NPPES record lists a practice address at Madigan Army Medical Center, Tacoma, WA, 98431. Phone: (253) 968-0208. Providers update this record themselves, so call before visiting.

How can I verify Cecily Karen Peterson, MD's license?

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 Cecily Karen Peterson, MD prescribe under Medicare Part D?

In 2024, Cecily Karen Peterson, MD had 8,014 Medicare Part D claims for 496 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.