NPPES file of Aug 9, 2026

Joshua Aaron Blackwell, MD, MSPH

Family Medicine Physician · Mount Shasta, CA

Joshua Aaron Blackwell, MD, MSPH is a family medicine physician with a practice address in Mount Shasta, California, and NPI 1093334567, issued on Apr 14, 2020. Check the license (California A206348, as entered in NPPES) on the Medical Board of California; 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
1093334567
Name
Joshua Aaron Blackwell
Credential
MD, MSPH
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
A206348 CA
52272 AL
MD-55925 IA
04-49978 KS
T7872 TX
and 1 more
Self-reported in NPPES; status is on the state search
Practice location
912 Pine St, Mount Shasta, CA 96067
Phone
(205) 603-8010
Enumerated
Apr 14, 2020
Record last updated
Jan 15, 2026
Medicare enrollment
Enrolled (PECOS I20260518003634); accepts Medicare assignment
Medical or professional school
University Of Alabama School Of Medicine, 2020
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 912 Pine St

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

  1. Troy Bainbridge, P.A.-C, MPASMedical Physician Assistant1942402847
  2. Evelyn Callas, M.D.Pediatrics Physician1538237797
  3. Ronald Lagro, MDFamily Medicine Physician1922092527
  4. David Levine, MDSurgery Physician1861953671
  5. Cassidy Moran, PAPhysician Assistant1154191591
  6. Caleb Newton, DOFamily Medicine Physician1144979402

Verify Joshua Aaron Blackwell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A206348
    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 California 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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92% fewer Medicare Part D claims than the average family medicine physician in 2024

279 Medicare Part D claims for 39 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Joshua Blackwell279
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium29 claims
  2. Amlodipine Besylate24 claims
  3. Albuterol Sulfate Hfa15 claims
  4. Gabapentin13 claims
  5. Lisinopril12 claims
  6. Alendronate Sodium11 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. Dignity HealthMount Shasta, CA

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

Joshua Aaron Blackwell among 17,133 family medicine physician records in California

Joshua Aaron Blackwell, MD, MSPH is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 88% of them.

  • NPI issued2020 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2020 · median 2005 among the 10,652 with a school on file
  • Record last updated2026 · 58% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 family medicine physician records list a practice address in Mount Shasta

They are 10 of the 200 NPPES records with a practice address in Mount Shasta, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. John Capos, D.O.Mount Shasta, CA 960671316922024
  2. Alan Cohn, M.D.Mount Shasta, CA 960671073599171
  3. Ashley Delaney, DOMount Shasta, CA 960671447815220
  4. Deborah HigerMt Shasta, CA 960671437245701
  5. David Holst, MDMount Shasta, CA 960671164416764
  6. John Katana, M.D.Mount Shasta, CA 960671215194733
  7. Ronald Lagro, MDMount Shasta, CA 960671922092527
  8. Phillip Miller, M.D.Mount Shasta, CA 960671285625350

Common questions

What is Joshua Aaron Blackwell, MD, MSPH's NPI number?

Joshua Aaron Blackwell, MD, MSPH's National Provider Identifier (NPI) is 1093334567, issued on Apr 14, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Aaron Blackwell, MD, MSPH located?

The NPPES record lists a practice address at 912 Pine St, Mount Shasta, CA, 96067. Phone: (205) 603-8010. Providers update this record themselves, so call before visiting.

How can I verify Joshua Aaron Blackwell, MD, MSPH's license?

NPPES lists California license number A206348, 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 Joshua Aaron Blackwell, MD, MSPH prescribe under Medicare Part D?

In 2024, Joshua Aaron Blackwell, MD, MSPH had 279 Medicare Part D claims for 39 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.