Active NPI 1356389043 Individual Practitioner Female Practitioner

Dorothy J Sassi , NP

Nurse Practitioner • Springfield, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dorothy Sassi, NP is a certified Nurse Practitioner practicing in Springfield, MA. With approximately 27 years of clinical experience since graduating from University Of Massachusetts Medical School in 1999, Dorothy Sassi delivers high-quality medical care to the local community at 299 CAREW ST.

Dorothy Sassi maintains professional affiliations with Riverbend Medical Group Inc, Hartford Healthcare Medical Group Specialists Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, telephone medical discussion with physician. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

299 Carew St
Suite 419

Springfield, MA 011042301

Telephone 4137377951

Associated Practice Facility / Clinic

🏢 Dr. James Haines & Dr. William Belcastro, Ptr. Facility NPI 1124027834

Medicare Profile & Education

Medical School

University Of Massachusetts Medical School

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Springfield, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs +17.2 yrs vs City Avg

City Avg: 9.8 Yrs

State Avg: 12.5 Yrs

Regional Practice Density

58 Specialists

Practicing in Springfield, MA (3545 Statewide)

Telehealth Adoption Rate

12.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

62.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sassi (27 Years) 27 Yrs

Springfield Specialty Average (9.8 Years) 9.8 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
99213 Established patient office or other outpatient visit, typically 15 minutes	527	443	$200.33	$78.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	83	79	$300.00	$107.85
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$260.00	$95.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	29	$91.00	$48.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$400.00	$143.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	624	513	$200.00	$78.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	129	125	$300.00	$110.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$260.00	$97.37
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	26	$91.00	$49.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$400.00	$144.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	624	499	$216.00	$79.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	140	$320.00	$113.04
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	31	$131.00	$50.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$493.00	$147.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$322.00	$99.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	693	556	$216.00	$80.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	112	107	$131.00	$49.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	111	105	$320.00	$113.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$322.00	$99.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$493.00	$149.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	427	361	$216.00	$66.77
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	195	186	$131.00	$40.15
99442 Telephone medical discussion with physician, 11-20 minutes	45	44	$163.11	$66.89
99441 Telephone medical discussion with physician, 5-10 minutes	36	36	$100.78	$40.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$320.00	$97.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	604	458	$216.00	$65.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	287	257	$131.00	$40.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	13	$320.00	$96.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	617	465	$216.00	$64.49
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	258	237	$131.00	$39.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	638	461	$216.00	$63.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	238	205	$131.00	$38.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$320.00	$93.47

Medical Specialties & State Licenses

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License MA 206906

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

377121 (MA)

Hospital & Practice Group Affiliations

Hartford Healthcare Medical Group Specialists Pllc

30 Loeffler Rd, Bloomfield, CT 060022256

Phone: 8603805150

Riverbend Medical Group Inc

271 Carew St, Springfield, MA 011042377

Phone: 4137489000

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. Douglas Hyde , MD

Internal Medicine - Gastroenterology

NPI 1164520169

Doctor of Medicine (M.D.)

Dr. Kenneth Koenigs , MD

Internal Medicine

NPI 1194808378

Doctor of Medicine (M.D.)

Mary-Laura Hohol , PA-C

Physician Assistant

NPI 1407165020

Physician Assistant (Certified)

Grace Skinner , PA-C

Physician Assistant

NPI 1457037632

Physician Assistant (Certified)

Dr. Peter Weinstein , MD

Internal Medicine - Gastroenterology

NPI 1467410308

Doctor of Medicine (M.D.)

Dr. Barry Slitzky , MD

Internal Medicine - Gastroenterology

NPI 1639263726

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active March 03, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location March 03, 2010

Registered at 299 CAREW ST, SUITE 419, SPRINGFIELD, MA 011042301 (Tel: 4137377951)

📍

Updated Business Mailing Address March 03, 2010

Registered at PO BOX 9132, BROOKLINE, MA 024469132 (Tel: 8009270002)

👤

Provider Name / Credentials Updated March 03, 2010

Recorded as DOROTHY SASSI, NP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 03, 2010

Nurse Practitioner (License #206906 in MA)

🟢

Initial NPI Registration & Enumeration June 03, 2006

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: 1356389043

Entity Type:

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

Enumeration Date: June 03, 2006

Last Update: March 03, 2010

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 9132

Brookline, MA 024469132

Phone: 8009270002

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.