NPPES file of Aug 9, 2026

Crystal Lynn Cook, M.D.

Family Medicine Physician · California, MO

Crystal Lynn Cook, M.D. is a family medicine physician with a practice address in California, Missouri, and NPI 1285897827, issued on Jul 3, 2008. Check the license (Missouri 2011003927, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1285897827
Name
Crystal Lynn Cook
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
2011003927 MO
Self-reported in NPPES; status is on the state search
Practice location
704 W Buchanan St, California, MO 65018
Phone
(573) 796-3111
Enumerated
Jul 3, 2008
Record last updated
Jan 9, 2025
Fax
(573) 796-3042
Medicare enrollment
Enrolled (PECOS I20110808000318); may accept Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 2008
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 704 W Buchanan St

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

  1. Ashley Lepage, FNPFamily Nurse Practitioner1790177236

Verify Crystal Lynn Cook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2011003927
    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 Missouri 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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2.7 times the Medicare Part D claims of the average family medicine physician in 2024

9,490 Medicare Part D claims for 713 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 314 claims were for opioids.

  1. Crystal Cook9,490
  2. Specialty average3,544

Most prescribed

  1. Lisinopril434 claims
  2. Atorvastatin Calcium415 claims
  3. Levothyroxine Sodium366 claims
  4. Rosuvastatin Calcium332 claims
  5. Amlodipine Besylate327 claims
  6. Omeprazole278 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. Community Health Ctr OF Central MissouriJefferson City, MO
  2. The Curators OF The University OF MissouriJefferson City, MO

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

Crystal Lynn Cook among 2,991 family medicine physician records in Missouri

Crystal Lynn Cook, M.D. is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 42% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2008 · median 2006 among the 1,778 with a school on file
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 family medicine physician record lists a practice address in California

They are 1 of the 38 NPPES records with a practice address in California, and 2,991 family medicine physician records in Missouri.

The 8 family medicine physician records with the nearest ZIP codes

  1. David Cathcart, M.D.Camdenton, MO 650201821093287
  2. Alex Clarke, DOCamdenton, MO 650201124720024
  3. Robert Giddings, MDCamdenton, MO 650201407242498
  4. Michelle Helton, DO, MBACamdenton, MO 650201194257378
  5. Linda Jabbari, DOCamdenton, MO 650201013997493
  6. Michael Kirkover, M.D.Camdenton, MO 650201366892986
  7. James Neill, M.D.Camdenton, MO 650201013181601
  8. Gabriel Skiba, DOCamdenton, MO 650201184286510

Common questions

What is Crystal Lynn Cook, M.D.'s NPI number?

Crystal Lynn Cook, M.D.'s National Provider Identifier (NPI) is 1285897827, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Crystal Lynn Cook, M.D. located?

The NPPES record lists a practice address at 704 W Buchanan St, California, MO, 65018. Phone: (573) 796-3111. Providers update this record themselves, so call before visiting.

How can I verify Crystal Lynn Cook, M.D.'s license?

NPPES lists Missouri license number 2011003927, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Crystal Lynn Cook, M.D. prescribe under Medicare Part D?

In 2024, Crystal Lynn Cook, M.D. had 9,490 Medicare Part D claims for 713 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.