NPPES file of Aug 9, 2026

Douglas G. Langrock, MD

Family Medicine Physician · Oak Harbor, WA

Douglas G. Langrock, MD is a family medicine physician with a practice address in Oak Harbor, Washington, and NPI 1306890199, issued on May 19, 2006. Check the license (Washington MD00027100, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306890199
Name
Douglas G. Langrock
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD00027100 WA
Self-reported in NPPES; status is on the state search
Practice location
275 SE Cabot Drive, Oak Harbor, WA 98277
Phone
(360) 675-6648
Enumerated
May 19, 2006
Record last updated
Jun 25, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(360) 679-2487
Medicaid ID
8118879 WA
Medicare enrollment
Enrolled (PECOS I20070503000640); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 1987
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 275 SE Cabot Drive

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

  1. Valarie Cicrich, DDSPublic Health Dentistry1659597979
  2. Rudolph Knaack, MDFamily Medicine Physician1225082001

Verify Douglas G. Langrock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00027100
    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

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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84% fewer Medicare Part D claims than the average family medicine physician in 2024

574 Medicare Part D claims for 293 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Douglas Langrock574
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin-Clavulanate Potass44 claims
  2. Methylprednisolone32 claims
  3. Azithromycin30 claims
  4. Sulfamethoxazole-Trimethoprim22 claims
  5. Cephalexin21 claims
  6. Paxlovid18 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 71.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.6
  2. Costout of 100 · 30%36.0
  3. Promoting interoperabilityout of 100 · 25%92.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Whidbey Island Public Hospital DistrictClinton, WA

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

Douglas G. Langrock among 5,534 family medicine physician records in Washington

Douglas G. Langrock, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% 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, 58% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1987 · median 2009 among the 3,294 with a school on file
  • Record last updated2013 · 57% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 family medicine physician records list a practice address in Oak Harbor

They are 29 of the 985 NPPES records with a practice address in Oak Harbor, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Tony Bartley, M.D.Oak Harbor, WA 982771487620076
  2. Jessica Boyd, APRNOak Harbor, WA 982771811735707
  3. Sara Carroll, MDOak Habor, WA 982771285165027
  4. Travis Erickson, DOOak Harbor, WA 982771952350431
  5. Haigh Fox, MDOak Harbor, WA 982771215994603
  6. Kirk Gasper, M.D.Oak Harbor, WA 982771003899899
  7. Carina Hopen, M.D.Oak Harbor, WA 982771437139417
  8. Rudolph Knaack, MDOak Harbor, WA 982771225082001

Common questions

What is Douglas G. Langrock, MD's NPI number?

Douglas G. Langrock, MD's National Provider Identifier (NPI) is 1306890199, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Douglas G. Langrock, MD located?

The NPPES record lists a practice address at 275 SE Cabot Drive, Oak Harbor, WA, 98277. Phone: (360) 675-6648. Providers update this record themselves, so call before visiting.

How can I verify Douglas G. Langrock, MD's license?

NPPES lists Washington license number MD00027100, 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 Douglas G. Langrock, MD prescribe under Medicare Part D?

In 2024, Douglas G. Langrock, MD had 574 Medicare Part D claims for 293 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Douglas G. Langrock, MD's MIPS final score?

The 2023 MIPS final score is 71.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.