Robert Earl Blackwelder, M.D.
Urology Physician · Ukiah, CA
Robert Earl Blackwelder, M.D. is a urology physician with a practice address in Ukiah, California, and NPI 1912992413, issued on Sep 12, 2005. Check the license (California AB7832454, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Earl Blackwelder
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- AB7832454 CA
Self-reported in NPPES; status is on the state search - Practice location
- 260 Hospital Dr Ste 201, Ukiah, CA 95482
- Phone
- (707) 463-8000
- Enumerated
- Sep 12, 2005
- Record last updated
- Sep 15, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (707) 462-1111
- Medicaid IDs
- ZZZ74887Z CA
LAB11989F CA - Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Verify Robert Earl Blackwelder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license AB7832454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average urology physician in 2024
30 Medicare Part D claims, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
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.
Robert Earl Blackwelder among 1,524 urology physician records in California
Robert Earl Blackwelder, M.D. is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2010 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Ukiah → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Paul Jepson, M.D.Ukiah, CA 954821134103898
- Naum Spiegel, MDUkiah, CA 954821710973623
- Oreoluwa Ogunyemi, M.D.Sebastopol, CA 954721619132537
- John Albertini, MDEureka, CA 955011528087632
- James Bauriedel, M.D.Eureka, CA 955011376699926
- Brian Dorman, MDEureka, CA 955011447278122
- Robin Zagone, M.D.Crescent City, CA 955311023192960
- David Martin, M.D.Santa Rosa, CA 954091225036320
Common questions
What is Robert Earl Blackwelder, M.D.'s NPI number?
Robert Earl Blackwelder, M.D.'s National Provider Identifier (NPI) is 1912992413, issued on Sep 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Earl Blackwelder, M.D. located?
The NPPES record lists a practice address at 260 Hospital Dr Ste 201, Ukiah, CA, 95482. Phone: (707) 463-8000. Providers update this record themselves, so call before visiting.
How can I verify Robert Earl Blackwelder, M.D.'s license?
NPPES lists California license number AB7832454, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Earl Blackwelder, M.D. prescribe under Medicare Part D?
In 2024, Robert Earl Blackwelder, M.D. had 30 Medicare Part D claims; the average among urology physician prescribers was 1,340. 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.