Sairam Parthasarathy, M.D.
Sleep Medicine (Internal Medicine) Physician · Tucson, AZ
Sairam Parthasarathy, M.D. is a sleep medicine (internal medicine) physician with a practice address in Tucson, Arizona, and NPI 1598877474, issued on Aug 31, 2006. Check the license (Arizona 37443, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sairam Parthasarathy
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License numbers
- 37443 AZ
036090520 IL
Self-reported in NPPES; status is on the state search - Practice location
- University OF Arizona Medical Ctr, Tucson, AZ 85724
- Phone
- (520) 971-6808
- Enumerated
- Aug 31, 2006
- Record last updated
- Mar 11, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 270753 AZ
- Medicare enrollment
- Enrolled (PECOS I20071008000359); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 28 in Arizona → Look up another NPI →
Verify Sairam Parthasarathy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 37443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
139 Medicare Part D claims for 30 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Azelastine Hcl25 claims
- Fluticasone Propionate21 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): 97.6 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: $6,065.02
8 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Respicardia, Inc. The 664 providers of this specialty with any payment received $3,724.37 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
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sairam Parthasarathy among 28 sleep medicine (internal medicine) physician records in Arizona
Sairam Parthasarathy, M.D. is one of 28 sleep medicine (internal medicine) physician records with a practice address in Arizona. 79% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 64% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1990 · median 2007 among the 20 with a school on file
- Record last updated2014 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Arizona
There are 28 sleep medicine (internal medicine) physician records in Arizona.
All 28 in Arizona → Every provider in Tucson → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Saif Mashaqi, MDTuscon, AZ 857191043424633
- Salma Patel, M.D.Tucson, AZ 857191083058572
- Mark Mecikalski, MDTucson, AZ 857181821045105
- Phillip Eichling, MDTucson, AZ 857121568435675
- Jyotsna Sahni, M.D.Tucson, AZ 857121417160599
- Laura L'Heureux, D.O.Sun City West, AZ 853751215280151
- Ashvin Shah, M.D.Yuma, AZ 853641013015270
- Sarah Patel, M.D.Glendale, AZ 853061487093175
Common questions
What is Sairam Parthasarathy, M.D.'s NPI number?
Sairam Parthasarathy, M.D.'s National Provider Identifier (NPI) is 1598877474, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sairam Parthasarathy, M.D. located?
The NPPES record lists a practice address at University OF Arizona Medical Ctr, Tucson, AZ, 85724. Phone: (520) 971-6808. Providers update this record themselves, so call before visiting.
How can I verify Sairam Parthasarathy, M.D.'s license?
NPPES lists Arizona license number 37443, 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 Sairam Parthasarathy, M.D. prescribe under Medicare Part D?
In 2024, Sairam Parthasarathy, M.D. had 139 Medicare Part D claims for 30 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
What is Sairam Parthasarathy, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 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.