James Alan Sielski, DO
Family Medicine Physician · St Johns, AZ
James Alan Sielski, DO is a family medicine physician with a practice address in St Johns, Arizona, and NPI 1124001375, issued on Nov 22, 2005. Check the license (Arizona 3318, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Alan Sielski
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 3318 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 625 North 13TH West, St Johns, AZ 85936
- Phone
- (928) 337-3705
- Enumerated
- Nov 22, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (928) 337-3780
- Medicaid ID
- 436205 AZ
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Verify James Alan Sielski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 3318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
611 Medicare Part D claims for 41 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Levothyroxine Sodium57 claims
- Montelukast Sodium34 claims
- Atorvastatin Calcium31 claims
- Omeprazole29 claims
- Gabapentin28 claims
- Tamsulosin Hcl28 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.
James Alan Sielski among 3,119 family medicine physician records in Arizona
James Alan Sielski, DO is one of 3,119 family medicine physician records with a practice address in Arizona. 75% 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, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 54% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 family medicine physician record lists a practice address in St Johns
They are 1 of the 10 NPPES records with a practice address in St Johns, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in St Johns → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Richie Bast, M.D.Saint Johns, AZ 859361649256587
- Ralph Patterson, M.D.Saint Johns, AZ 859361558719468
- Chad Brimhall, M.D.Snowflake, AZ 859371699095976
- Alan Dewitt, M.D.Snowflake, AZ 859371013988492
- Lincoln Hiatt, MDSnowflake, AZ 859371174147342
- David Murphy, D.O.Snowflake, AZ 859371417480047
- Larry Nichols, MDSnowflake, AZ 859371225009608
- Randal Shumway, DOSnowflake, AZ 859371962027326
Common questions
What is James Alan Sielski, DO's NPI number?
James Alan Sielski, DO's National Provider Identifier (NPI) is 1124001375, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Alan Sielski, DO located?
The NPPES record lists a practice address at 625 North 13TH West, St Johns, AZ, 85936. Phone: (928) 337-3705. Providers update this record themselves, so call before visiting.
How can I verify James Alan Sielski, DO's license?
NPPES lists Arizona license number 3318, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Alan Sielski, DO prescribe under Medicare Part D?
In 2024, James Alan Sielski, DO had 611 Medicare Part D claims for 41 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.