Steven Mark Siwek, MD
Interventional Pain Medicine Physician · Phoenix, AZ
Steven Mark Siwek, MD is an interventional pain medicine physician with a practice address in Phoenix, Arizona, and NPI 1932204435, issued on Sep 13, 2006. Check the license (Arizona 23424, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Steven Mark Siwek
- Credential
- MD
- Primary taxonomy
- Interventional Pain Medicine Physician 208VP0014X
- License number
- 23424 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 20333 N 19TH Ave Ste 100, Phoenix, AZ 85027
- Phone
- (623) 516-8252
- Enumerated
- Sep 13, 2006
- Record last updated
- Mar 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (623) 516-8253
- Medicare enrollment
- Enrolled (PECOS I20040719001449); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1994
- Entity
- Type 1 · individual
8 nearest interventional pain medicine physician records → All 68 in Arizona → Look up another NPI →
Also registered at 20333 N 19TH Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Beach, PA-CPhysician Assistant1265997225
- Sara Enrico, FNP-CFamily Nurse Practitioner1033884762
- Katherine Ford, CRNACertified Registered Nurse Anesthetist1487940524
- Matthew Kaldawi, PA-CPhysician Assistant1437827615
- Angelina Plass, DNP, CRNACertified Registered Nurse Anesthetist1306406988
- Adam Siwek, DOInterventional Pain Medicine Physician1770074007
Verify Steven Mark Siwek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 23424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average interventional pain medicine physician in 2024
1,716 Medicare Part D claims for 634 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 860 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen244 claims
- Gabapentin174 claims
- Hydrocodone-Acetaminophen173 claims
- Tramadol Hcl134 claims
- Oxycodone Hcl104 claims
- Morphine Sulfate Er81 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.
The MIPS final score for 2023 (Medicare payment program): 89.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $39,928.30
46 payments; by number, the most common kind was food and beverage; the largest payer was Orthofix Medical, Inc. The 1,966 providers of this specialty with any payment received $3,889.53 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
- The Pain Center OF Arizona, PCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Mark Siwek among 68 interventional pain medicine physician records in Arizona
Steven Mark Siwek, MD is one of 68 interventional pain medicine physician records with a practice address in Arizona. 91% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 60% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1994 · median 2005 among the 56 with a school on file
- Record last updated2021 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0014X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Pain Medicine Physician providers in Arizona
There are 68 interventional pain medicine physician records in Arizona.
All 68 in Arizona → Every provider in Phoenix → Interventional Pain Medicine Physician nationwide →
The 8 interventional pain medicine physician records with the nearest ZIP codes
- Adam Siwek, DOPhoenix, AZ 850271770074007
- Abram Burgher, MDPhoenix, AZ 850231942274105
- Jarrett Leathem, D.O.Phoenix, AZ 850231205193109
- Kirk Puttlitz, MDPhoenix, AZ 850231205807971
- Todd Turley, MDPhoenix, AZ 850231437123775
- Chhavi Manchanda, MDPhoenix, AZ 850321669758983
- Brandon Ochs, NURSE PRACTITIONERPhoenix, AZ 850211679309298
- Oluwatosin Ayotunde, MDPhoenix, AZ 850181730718214
Common questions
What is Steven Mark Siwek, MD's NPI number?
Steven Mark Siwek, MD's National Provider Identifier (NPI) is 1932204435, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Mark Siwek, MD located?
The NPPES record lists a practice address at 20333 N 19TH Ave Ste 100, Phoenix, AZ, 85027. Phone: (623) 516-8252. Providers update this record themselves, so call before visiting.
How can I verify Steven Mark Siwek, MD's license?
NPPES lists Arizona license number 23424, 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 Steven Mark Siwek, MD prescribe under Medicare Part D?
In 2024, Steven Mark Siwek, MD had 1,716 Medicare Part D claims for 634 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.
What is Steven Mark Siwek, MD's MIPS final score?
The 2023 MIPS final score is 89.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.