Nafis Shamsid-Deen, MD
Internal Medicine Physician · Phoenix, AZ
Nafis Shamsid-Deen, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1326451220, issued on Jun 9, 2014. Check the license (Arizona 54376, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nafis Shamsid-Deen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 54376 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1111 E Mcdowell RD, Phoenix, AZ 85006
- Phone
- (602) 839-2296
- Enumerated
- Jun 9, 2014
- Record last updated
- Mar 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 356037 AZ
- Medicare enrollment
- Enrolled (PECOS I20180228001642); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2014
- 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 1111 E Mcdowell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nafis Shamsid-Deen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 54376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average internal medicine physician in 2024
606 Medicare Part D claims for 62 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Opsumit76 claims
- Ambrisentan72 claims
- Orenitram Er57 claims
- Sildenafil Citrate50 claims
- Spironolactone50 claims
- Furosemide29 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): 88.4 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: $9,736.07
46 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals 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 2 group practices
- Banner - University Hospital Based Physicians LLCPhoenix, AZ
- Banner - University Physician Specialists LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nafis Shamsid-Deen among 2,853 internal medicine physician records in Arizona
Nafis Shamsid-Deen, MD 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 2014, is newer than 68% of them.
- NPI issued2014 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2014 · median 2003 among the 1,643 with a school on file
- Record last updated2020 · 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
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- Lorna Honan, MDPhoenix, AZ 850061154395531
- Holger Kranich, M.D.Phoenix, AZ 850061780660266
- Marc Lee, MDPhoenix, AZ 850061962498709
- Stephen Leshin, M.D.Phoenix, AZ 850061396742771
- Anita Murcko, M.D.Phoenix, AZ 850061477558757
Common questions
What is Nafis Shamsid-Deen, MD's NPI number?
Nafis Shamsid-Deen, MD's National Provider Identifier (NPI) is 1326451220, issued on Jun 9, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nafis Shamsid-Deen, MD located?
The NPPES record lists a practice address at 1111 E Mcdowell RD, Phoenix, AZ, 85006. Phone: (602) 839-2296. Providers update this record themselves, so call before visiting.
How can I verify Nafis Shamsid-Deen, MD's license?
NPPES lists Arizona license number 54376, 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 Nafis Shamsid-Deen, MD prescribe under Medicare Part D?
In 2024, Nafis Shamsid-Deen, MD had 606 Medicare Part D claims for 62 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nafis Shamsid-Deen, MD's MIPS final score?
The 2023 MIPS final score is 88.4 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.