Nancy El-Shamaa Kaddis, M.D.
Internal Medicine Physician · Cambridge, MA
Nancy El-Shamaa Kaddis, M.D. is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1053554949, issued on Apr 8, 2009. Check the license (Massachusetts 252322, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nancy El-Shamaa Kaddis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 252322 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1575 Cambridge St, Cambridge, MA 02138
- Phone
- (866) 600-2273
- Enumerated
- Apr 8, 2009
- Record last updated
- Aug 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150714001292); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1575 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Keith ChinRegistered Nurse1750207122
- Elizabeth Danaher, PT, DPTPhysical Therapist1881114452
- Anne Marie Dattero, LICSWClinical Social Worker1780179861
Verify Nancy El-Shamaa Kaddis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 252322Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,589 Medicare Part D claims for 253 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 140 claims were for opioids.
Most prescribed
- Revlimid92 claims
- Eliquis81 claims
- Acyclovir64 claims
- Sulfamethoxazole-Trimethoprim61 claims
- Ondansetron Hcl57 claims
- Pomalyst57 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): 86.3 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: $1,120.86
8 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Dana-Farber Cancer Institute, Inc.South Weymouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy El-Shamaa Kaddis among 6,825 internal medicine physician records in Massachusetts
Nancy El-Shamaa Kaddis, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2009 · median 2004 among the 4,103 with a school on file
- Record last updated2020 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
300 internal medicine physician records list a practice address in Cambridge
They are 300 of the 5,145 NPPES records with a practice address in Cambridge, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Cambridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Matthew Carmody, MDCambridge, MA 021381184624488
- Mark Friedman, MDCambridge, MA 021381760482921
- Eva Gassiraro, MDCambridge, MA 021381598762833
- Beth Goldman, MDCambridge, MA 021381457358798
- Charles Hatem, MDCambridge, MA 021381528065877
- David Hudacek, MDCambridge, MA 021381992707269
- Janine McCauley, MDCambridge, MA 021381487656617
Common questions
What is Nancy El-Shamaa Kaddis, M.D.'s NPI number?
Nancy El-Shamaa Kaddis, M.D.'s National Provider Identifier (NPI) is 1053554949, issued on Apr 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nancy El-Shamaa Kaddis, M.D. located?
The NPPES record lists a practice address at 1575 Cambridge St, Cambridge, MA, 02138. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.
How can I verify Nancy El-Shamaa Kaddis, M.D.'s license?
NPPES lists Massachusetts license number 252322, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nancy El-Shamaa Kaddis, M.D. prescribe under Medicare Part D?
In 2024, Nancy El-Shamaa Kaddis, M.D. had 1,589 Medicare Part D claims for 253 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nancy El-Shamaa Kaddis, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.3 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.