Kumaraswamy Sivakumar, M.D.
Neuromuscular Medicine (Psychiatry & Neurology) Physician · Phoenix, AZ
Kumaraswamy Sivakumar, M.D. is a neuromuscular medicine (psychiatry & neurology) physician with a practice address in Phoenix, Arizona, and NPI 1821035254, issued on Jun 2, 2006. Check the license (Arizona 25540, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kumaraswamy Sivakumar
- Credential
- M.D.
- Primary taxonomy
- Neuromuscular Medicine (Psychiatry & Neurology) Physician 2084N0008X
- License number
- 25540 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4545 E Shea Blvd, Phoenix, AZ 85028
- Phone
- (480) 314-1007
- Enumerated
- Jun 2, 2006
- Record last updated
- Aug 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (480) 314-1003
- Medicaid ID
- 393108 AZ
- Medicare enrollment
- Enrolled (PECOS I20040412000243); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
5 nearest neuromuscular medicine (psychiatry & neurology) physician records → All 6 in Arizona → Look up another NPI →
Also registered at 4545 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Baumann, M.D.Psychiatry Physician1518082130
- David Benson, D.D.S.Dentist1568897619
- Lawrence Benson, DDSGeneral Practice Dentistry1467412148
- Anita Brennan, NPFamily Nurse Practitioner1083908628
- Becky Broskey, NPFamily Nurse Practitioner1497067565
- Teresa Buot-Smith, M.D.Psychiatry Physician1932227675
Verify Kumaraswamy Sivakumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 25540Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average neuromuscular medicine (psychiatry & neurology) physician in 2024
2,652 Medicare Part D claims for 371 beneficiaries, against an average of 827 among the 258 providers of this specialty who prescribed in Part D. 143 claims were for opioids.
Most prescribed
- Prednisone613 claims
- Gabapentin253 claims
- Azathioprine148 claims
- Pyridostigmine Bromide146 claims
- Baclofen106 claims
- Cyclosporine Modified93 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): 92.7 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: $9,622.86
12 payments; by number, the most common kind was food and beverage; the largest payer was Amicus Therapeutics, Inc. The 169 providers of this specialty with any payment received $11,922.98 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.
Neuromuscular Medicine (Psychiatry & Neurology) Physician providers in Arizona
There are 6 neuromuscular medicine (psychiatry & neurology) physician records in Arizona.
All 6 in Arizona → Every provider in Phoenix → Neuromuscular Medicine (Psychiatry & Neurology) Physician nationwide →
The 5 neuromuscular medicine (psychiatry & neurology) physician records with the nearest ZIP codes
- Justine Chan, M.D.Phoenix, AZ 850131073990743
- Ayushi Chugh, M.DPhoenix, AZ 850131376818229
- Timothy Fullam, M.D.Phoenix, AZ 850131952720104
- Shafeeq Ladha, M.D.Phoenix, AZ 850131417931767
- Kathryn Bradley, M.D.Tucson, AZ 857181073834362
Common questions
What is Kumaraswamy Sivakumar, M.D.'s NPI number?
Kumaraswamy Sivakumar, M.D.'s National Provider Identifier (NPI) is 1821035254, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kumaraswamy Sivakumar, M.D. located?
The NPPES record lists a practice address at 4545 E Shea Blvd, Phoenix, AZ, 85028. Phone: (480) 314-1007. Providers update this record themselves, so call before visiting.
How can I verify Kumaraswamy Sivakumar, M.D.'s license?
NPPES lists Arizona license number 25540, 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 Kumaraswamy Sivakumar, M.D. prescribe under Medicare Part D?
In 2024, Kumaraswamy Sivakumar, M.D. had 2,652 Medicare Part D claims for 371 beneficiaries; the average among neuromuscular medicine (psychiatry & neurology) physician prescribers was 827. Part D covers Medicare prescriptions only.
What is Kumaraswamy Sivakumar, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.7 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.