Active NPI 1053554949 Individual Practitioner Female Practitioner

Dr. Nancy El-Shamaa Kaddis , MD

Internal Medicine • Cambridge, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Nancy Kaddis, MD is a certified Internal Medicine practicing in Cambridge, MA. With approximately 17 years of clinical experience since graduating from Michigan State University College Of Human Medicine in 2009, Dr. Kaddis delivers high-quality medical care to the local community at 1575 CAMBRIDGE ST.

Dr. Kaddis is affiliated with Dana-Farber Cancer Institute, Inc. and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, initial hospital care with straightforward or low-level medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1575 Cambridge St
Division Of Internal Medicine

Cambridge, MA 021384308

Telephone 8666002273

Associated Practice Facility / Clinic

🏢 Youville Hospital & Rehabilitation Center Facility NPI 1992707178

Medicare Profile & Education

Medical School

Michigan State University College Of Human Medicine

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Cambridge, MA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs -5.6 yrs vs City Avg

City Avg: 22.6 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

309 Specialists

Practicing in Cambridge, MA (7127 Statewide)

Telehealth Adoption Rate

23.9% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

78.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kaddis (17 Years) 17 Yrs

Cambridge Specialty Average (22.6 Years) 22.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	572	389	$428.00	$102.09
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	338	166	$762.00	$151.54
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	66	66	$924.00	$190.48
99213 Established patient office or other outpatient visit, typically 15 minutes	44	42	$290.00	$73.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$745.00	$139.57
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$511.00	$136.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	581	355	$409.15	$104.50
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	239	103	$729.23	$153.59
99213 Established patient office or other outpatient visit, typically 15 minutes	66	60	$275.32	$70.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	58	58	$707.19	$142.83
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	55	55	$880.64	$193.85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$511.00	$139.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	494	338	$400.13	$107.43
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	335	145	$712.34	$159.73
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	60	60	$864.87	$200.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$697.02	$147.97
99213 Established patient office or other outpatient visit, typically 15 minutes	39	39	$272.69	$72.78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	14	$511.00	$146.67
99443 Telephone medical discussion with physician, 21-30 minutes	13	13	$399.00	$107.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	536	342	$335.70	$121.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	250	126	$579.84	$167.79
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	65	65	$751.95	$207.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	61	61	$539.39	$165.50
99213 Established patient office or other outpatient visit, typically 15 minutes	50	33	$196.92	$102.43
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	27	15	$201.00	$87.54
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$428.45	$148.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use)	15,811	15	$1.58	$0.96
J1100 Injection, dexamethasone sodium phosphate, 1 mg	1,138	17	$1.25	$0.13
J2469 Injection, palonosetron hcl, 25 mcg	940	16	$60.00	$3.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	489	177	$310.00	$121.62
96375 Injection of additional new drug or substance into vein	318	20	$68.00	$19.04
99213 Established patient office or other outpatient visit, typically 15 minutes	202	101	$195.00	$83.31
96413 Infusion of chemotherapy into a vein up to 1 hour	87	15	$491.00	$166.60
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	81	25	$201.00	$82.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	79	79	$471.00	$181.31
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less	66	13	$144.00	$35.99
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	22	22	$384.00	$143.54
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	16	16	$525.00	$229.45
99221 Initial hospital inpatient care per day, typically 30 minutes	16	16	$283.00	$111.31
38222 Biopsy and aspiration of bone marrow sample for diagnosis	11	11	$500.00	$202.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	98	63	$195.00	$81.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	82	63	$310.00	$118.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$471.00	$180.12
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$384.00	$147.00
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$568.00	$217.16
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$525.00	$225.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	442	32	$389.00	$110.07
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	39	29	$813.00	$229.72

Medical Specialties & State Licenses

CMS Verified: 2020-08-21

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 252322

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Dana-Farber Cancer Institute, Inc.

101 Columbian St, South Weymouth, MA 021901601

Phone: 7813408000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

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Doctor of Osteopathic Medicine (D.O.)

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Family Medicine

NPI 1003349697

Doctor of Medicine (M.D.)

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Ophthalmology

NPI 1003826173

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events

📍

Updated Business Mailing Address August 21, 2020

Registered at 101 COLUMBIAN ST, SOUTH WEYMOUTH, MA 021901601 (Tel: 6163088856)

✅

NPI Profile Active June 30, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location June 30, 2015

Registered at 1575 CAMBRIDGE ST, DIVISION OF INTERNAL MEDICINE, CAMBRIDGE, MA 021384308 (Tel: 8666002273)

📍

Updated Business Mailing Address June 30, 2015

Registered at PO BOX 9142, CHARLESTOWN, MA 021299142 (Tel: 6163088856)

👤

Provider Name / Credentials Updated June 30, 2015

Recorded as NANCY KADDIS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 30, 2015

Internal Medicine (License #252322 in MA)

🟢

Initial NPI Registration & Enumeration April 08, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1053554949

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: April 08, 2009

Last Update: August 21, 2020

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

101 Columbian St

South Weymouth, MA 021901601

Phone: 6163088856

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.