NPPES file of Aug 9, 2026

Robert A. Margraf, M.D.

Public Health & General Preventive Medicine Physician · Spokane, WA

Robert A. Margraf, M.D. is a public health & general preventive medicine physician with a practice address in Spokane, Washington, and NPI 1740218445, issued on Jun 29, 2006. Check the license (Washington MD00046550, 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
1740218445
Name
Robert A. Margraf
Credential
M.D.
Primary taxonomy
Public Health & General Preventive Medicine Physician 2083P0901X
License number
MD00046550 WA
Self-reported in NPPES; status is on the state search
Practice location
4102 S Regal St Ste 101, Spokane, WA 99223
Phone
(509) 535-2277
Enumerated
Jun 29, 2006
Record last updated
Apr 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070404000198); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 2003
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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8 nearest public health & general preventive medicine physician records → All 62 in Washington → Look up another NPI →

Also registered at 4102 S Regal St Ste 101

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

  1. Veronique Alcaraz, M.D.Internal Medicine Physician1205961208
  2. Kelly Hill, M.D.Family Medicine Physician1245674092
  3. William Sayres, M.D.Family Medicine Physician1972659654
  4. David Shipowick, MDFamily Medicine Physician1295756930
  5. Danielle Waples, DOFamily Medicine Physician1881222008
  6. Keith Wilkens, MDFamily Medicine Physician1164595807

Verify Robert A. Margraf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00046550    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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5.1 times the Medicare Part D claims of the average public health & general preventive medicine physician in 2024

4,222 Medicare Part D claims for 544 beneficiaries, against an average of 820 among the 336 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 115 claims were for opioids.

  1. Robert Margraf4,222
  2. Specialty average820

Most prescribed

  1. Atorvastatin Calcium347 claims
  2. Lisinopril209 claims
  3. Levothyroxine Sodium188 claims
  4. Losartan Potassium176 claims
  5. Hydrochlorothiazide144 claims
  6. Omeprazole139 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. Kaiser Foundation Health Plan OF WashingtonSpokane, WA

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

Robert A. Margraf among 62 public health & general preventive medicine physician records in Washington

Robert A. Margraf, M.D. is one of 62 public health & general preventive medicine physician records with a practice address in Washington. 15% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 68% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileYes · 5% of these records are
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0901X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Public Health & General Preventive Medicine Physician providers in Washington

There are 62 public health & general preventive medicine physician records in Washington.

All 62 in Washington → Every provider in Spokane → Public Health & General Preventive Medicine Physician nationwide →

The 8 public health & general preventive medicine physician records with the nearest ZIP codes

  1. Jan Mueller, MDSpokane, WA 992011801831185
  2. Kim Thorburn, MDSpokane, WA 992011720045289
  3. Timothy Moody, M.D.Pullman, WA 991631396773222
  4. Joel Mundall, MDConnell, WA 993261477762037
  5. Larry Jecha, M.D. M.P.HKennewick, WA 993361760489918
  6. Gina RyanToppenish, WA 989481053230987
  7. Brandon Penix, D.O.Moses Lake, WA 988371164784088
  8. Gordon Tagge, MDChelan, WA 988161174591333

Common questions

What is Robert A. Margraf, M.D.'s NPI number?

Robert A. Margraf, M.D.'s National Provider Identifier (NPI) is 1740218445, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert A. Margraf, M.D. located?

The NPPES record lists a practice address at 4102 S Regal St Ste 101, Spokane, WA, 99223. Phone: (509) 535-2277. Providers update this record themselves, so call before visiting.

How can I verify Robert A. Margraf, M.D.'s license?

NPPES lists Washington license number MD00046550, 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 Robert A. Margraf, M.D. prescribe under Medicare Part D?

In 2024, Robert A. Margraf, M.D. had 4,222 Medicare Part D claims for 544 beneficiaries; the average among public health & general preventive medicine physician prescribers was 820. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.