Robert Davisson Bigler, M.D
Hematology (Internal Medicine) Physician · Vancouver, WA
Robert Davisson Bigler, M.D is a hematology (internal medicine) physician with a practice address in Vancouver, Washington, and NPI 1689777583, issued on Sep 6, 2006. Check the license (Washington MD00035867, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Robert Davisson Bigler
- Credential
- M.D
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- MD00035867 WA
Self-reported in NPPES; status is on the state search - Practice location
- 505 NE 87TH Ave Ste 320, Vancouver, WA 98664
- Phone
- (360) 514-2550
- Enumerated
- Sep 6, 2006
- Record last updated
- Mar 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (360) 514-1927
- Medicare enrollment
- Enrolled (PECOS I20100106000488); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1977
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 34 in Washington → Look up another NPI →
Also registered at 505 NE 87TH Ave Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephen Chandler, MDMedical Oncology Physician1043437098
- Siting Chen, MDHematology & Oncology Physician1689662587
- Aliakbar Dadla, M.D.Hematology & Oncology Physician1134474976
- Katerina Erokhina, D.O.Medical Oncology Physician1437404571
- Teresa Lord, MDHematology & Oncology Physician1598885550
Verify Robert Davisson Bigler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00035867Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
192 Medicare Part D claims for 51 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Anastrozole24 claims
- Tamoxifen Citrate21 claims
- Prednisone18 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.
Industry payments in 2024: $466.88
27 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- PeacehealthLongview, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Davisson Bigler among 34 hematology (internal medicine) physician records in Washington
Robert Davisson Bigler, M.D is one of 34 hematology (internal medicine) physician records with a practice address in Washington. 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 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 50% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1977 · median 1997 among the 21 with a school on file
- Record last updated2021 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Washington
There are 34 hematology (internal medicine) physician records in Washington.
All 34 in Washington → Every provider in Vancouver → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Farhana Malik, MDVancouver, WA 986641770733073
- Sasha WaldsteinVancouver, WA 986641053773051
- Alexander Shar, MDLongview, WA 986321033280920
- Scott Parsons, DOSilverdale, WA 983831245601079
- Robert Raish, M.D.Bellingham, WA 982251689757775
- Chanudi Weerasinghe, M.D.Bellingham, WA 982251124469093
- Gabriela Ballester, M.D.Spokane Valley, WA 992161598967374
- Victor RostapshovSpokane Valley, WA 992161548315435
Common questions
What is Robert Davisson Bigler, M.D's NPI number?
Robert Davisson Bigler, M.D's National Provider Identifier (NPI) is 1689777583, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Davisson Bigler, M.D located?
The NPPES record lists a practice address at 505 NE 87TH Ave Ste 320, Vancouver, WA, 98664. Phone: (360) 514-2550. Providers update this record themselves, so call before visiting.
How can I verify Robert Davisson Bigler, M.D's license?
NPPES lists Washington license number MD00035867, 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 Davisson Bigler, M.D prescribe under Medicare Part D?
In 2024, Robert Davisson Bigler, M.D had 192 Medicare Part D claims for 51 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.