Marina Voltchenok Rudin, M.D.
Internal Medicine Physician · Phoenix, AZ
Marina Voltchenok Rudin, M.D. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1205810033, issued on Dec 5, 2005. Check the license (Arizona 33345, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marina Voltchenok Rudin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 33345 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2601 E Roosevelt St, Phoenix, AZ 85008
- Phone
- (602) 344-1114
- Enumerated
- Dec 5, 2005
- Record last updated
- Jul 2, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (602) 344-1112
- Medicare enrollment
- Enrolled (PECOS I20080908000578); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 2601 E Roosevelt St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marina Voltchenok Rudin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 33345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,625 Medicare Part D claims for 185 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Levothyroxine Sodium164 claims
- Trulicity113 claims
- Lantus Solostar105 claims
- Ozempic78 claims
- Metformin Hcl68 claims
- Insulin Lispro Kwikpen U-10055 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 practice group's MIPS final score for 2023 (Medicare payment program): 93.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $69.80
3 payments; by number, the most common kind was food and beverage; the largest payer was Argenx US, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- District Medical Group IncPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marina Voltchenok Rudin among 2,853 internal medicine physician records in Arizona
Marina Voltchenok Rudin, M.D. is one of 2,853 internal 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, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2003 · median 2003 among the 1,643 with a school on file
- Record last updated2009 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sunitha Bandlamuri, MDPhoenix, AZ 850081366496812
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- Stephanie Berkshire, DOPhoenix, AZ 850081003853078
- Steve Kaplan, M.D.Phoenix, AZ 850081568418457
- Mohammed Khan, MDPhoenix, AZ 850081245270347
- Jasminder Mand, MDPhoenix, AZ 850081720021454
- Stephen Meenahan, DOPhoenix, AZ 850081396785036
- Lakshmi Murthy, MDPhoenix, AZ 850081588604128
Common questions
What is Marina Voltchenok Rudin, M.D.'s NPI number?
Marina Voltchenok Rudin, M.D.'s National Provider Identifier (NPI) is 1205810033, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marina Voltchenok Rudin, M.D. located?
The NPPES record lists a practice address at 2601 E Roosevelt St, Phoenix, AZ, 85008. Phone: (602) 344-1114. Providers update this record themselves, so call before visiting.
How can I verify Marina Voltchenok Rudin, M.D.'s license?
NPPES lists Arizona license number 33345, 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 Marina Voltchenok Rudin, M.D. prescribe under Medicare Part D?
In 2024, Marina Voltchenok Rudin, M.D. had 1,625 Medicare Part D claims for 185 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Marina Voltchenok Rudin, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.4 of 100, reported for the practice group. 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.