Active NPI 1619123205 Individual Practitioner Female Practitioner

Dr. Deborah S. Derderian , DO

Internal Medicine • Mendon, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Deborah Derderian, DO is a certified Internal Medicine practicing in Mendon, MA. With approximately 19 years of clinical experience since graduating from University Of New England, College Of Osteo Medicine in 2007, Dr. Derderian delivers high-quality medical care to the local community at 12 UXBRIDGE ROAD.

Dr. Derderian maintains professional affiliations with Milford Regional Physician Group, Inc., Umass Memorial Medical Group 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, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

12 Uxbridge Road

Mendon, MA 017561311

Telephone 5086346620

Fax 5086346813

Associated Practice Facility / Clinic

🏢 Milford Regional Physician Group, Inc. Facility NPI 1902856024

Medicare Profile & Education

Medical School

University Of New England, College Of Osteo Medicine

Graduation Year

2007

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Mendon, MA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

19 Yrs -8.5 yrs vs City Avg

City Avg: 27.5 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

3 Specialists

Practicing in Mendon, MA (7127 Statewide)

Telehealth Adoption Rate

66.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

66.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Derderian (19 Years) 19 Yrs

Mendon Specialty Average (27.5 Years) 27.5 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	172	107	$400.00	$129.40
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	122	122	$386.00	$131.10
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	88	64	$549.00	$181.99
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	62	51	$52.00	$16.36
99213 Established patient office or other outpatient visit, typically 15 minutes	53	41	$283.00	$92.00
99443 Telephone medical discussion with physician, 21-30 minutes	36	31	$410.00	$129.56
93000 Routine ekg using at least 12 leads including interpretation and report	34	32	$75.00	$14.52
G0008 Administration of influenza virus vaccine	28	28	$85.00	$32.81
90662 Influenza vaccine split virus, preservative free	28	28	$182.54	$81.47
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	19	15	$172.00	$54.36

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	176	104	$394.75	$130.79
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	109	109	$376.23	$131.85
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	71	58	$549.00	$181.19
99213 Established patient office or other outpatient visit, typically 15 minutes	47	37	$269.60	$92.59
93000 Routine ekg using at least 12 leads including interpretation and report	46	41	$75.00	$14.88
G0008 Administration of influenza virus vaccine	33	33	$85.00	$31.47
90662 Influenza vaccine split virus, preservative free	33	33	$170.00	$71.93
99443 Telephone medical discussion with physician, 21-30 minutes	24	22	$410.00	$130.18
99496 Transitional care management services for problem of high complexity	12	11	$875.00	$283.52

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	149	95	$382.54	$133.20
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	81	81	$315.00	$135.62
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	71	54	$532.31	$187.20
99213 Established patient office or other outpatient visit, typically 15 minutes	41	37	$258.90	$94.50
99443 Telephone medical discussion with physician, 21-30 minutes	40	32	$410.00	$133.08
G0008 Administration of influenza virus vaccine	29	29	$85.00	$30.80
G0009 Administration of pneumococcal vaccine	29	29	$85.00	$30.98
93000 Routine ekg using at least 12 leads including interpretation and report	28	26	$75.00	$14.91
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	26	26	$367.00	$277.28
90662 Influenza vaccine split virus, preservative free	26	26	$141.46	$68.54

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	125	79	$355.00	$135.79
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	58	58	$315.00	$138.45
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	55	43	$470.00	$189.34
99443 Telephone medical discussion with physician, 21-30 minutes	35	27	$410.00	$136.08
90662 Influenza vaccine split virus, preservative free	26	26	$120.00	$65.26
G0008 Administration of influenza virus vaccine	26	26	$85.00	$17.86
G0009 Administration of pneumococcal vaccine	20	20	$85.00	$17.86
99213 Established patient office or other outpatient visit, typically 15 minutes	19	16	$240.00	$95.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$480.36	$175.36
93000 Routine ekg using at least 12 leads including interpretation and report	13	13	$75.00	$15.56
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	12	12	$260.00	$125.42

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	71	51	$281.99	$114.35
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	48	48	$298.00	$121.45
99213 Established patient office or other outpatient visit, typically 15 minutes	38	28	$187.42	$79.16
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	21	$372.88	$153.56
99443 Telephone medical discussion with physician, 21-30 minutes	13	12	$361.69	$111.82
G0008 Administration of influenza virus vaccine	11	11	$44.00	$18.93
G0009 Administration of pneumococcal vaccine	11	11	$44.00	$18.89

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	126	72	$274.00	$111.83
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	45	45	$298.00	$121.10
99213 Established patient office or other outpatient visit, typically 15 minutes	26	22	$186.00	$73.01
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	23	$369.00	$151.72
G0008 Administration of influenza virus vaccine	25	25	$44.00	$17.62
90662 Influenza vaccine split virus, preservative free	18	18	$134.00	$54.46
G0009 Administration of pneumococcal vaccine	18	18	$44.00	$17.83
93000 Routine ekg using at least 12 leads including interpretation and report	15	14	$53.00	$17.98
90670 Pneumococcal vaccine for injection into muscle	12	12	$513.00	$208.52

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	80	52	$315.00	$112.60
99213 Established patient office or other outpatient visit, typically 15 minutes	42	31	$203.00	$76.41
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	25	25	$356.00	$122.09
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	16	$466.00	$151.55
93000 Routine ekg using at least 12 leads including interpretation and report	17	15	$76.00	$17.93
G0008 Administration of influenza virus vaccine	13	12	$53.00	$23.21
G0009 Administration of pneumococcal vaccine	11	11	$78.03	$23.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	203	126	$227.43	$75.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	95	70	$336.84	$111.14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	83	83	$295.73	$119.76
G0008 Administration of influenza virus vaccine	32	32	$74.31	$27.16
90662 Influenza vaccine split virus, preservative free	31	31	$87.58	$47.45
93000 Routine ekg using at least 12 leads including interpretation and report	28	28	$75.07	$17.69
G0009 Administration of pneumococcal vaccine	13	13	$75.23	$28.51

Medical Specialties & State Licenses

CMS Verified: 2025-11-21

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 243757

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License MA 233213

Hospital & Practice Group Affiliations

Milford Regional Physician Group, Inc.

308 Main St, Milford, MA 017572511

Phone: 5084780555

Milford Regional Physician Group, Inc.

100 Medway Rd, Milford, MA 017572923

Umass Memorial Medical Group Inc

12 Uxbridge Rd, Mendon, MA 017561095

Phone: 5086346620

Milford Regional Physician Group, Inc.

12 Uxbridge Rd, Mendon, MA 017561094

Phone: 5084736320

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Kathryn Cohan , MD

Internal Medicine

NPI 1174554067

Doctor of Medicine (M.D.)

Dr. Tarek El Sharkawy , MD

Internal Medicine

NPI 1275586851

Doctor of Medicine (M.D.)

Dr. Kerri Batra , MD

Internal Medicine - Rheumatology

NPI 1295714806

Doctor of Medicine (M.D.)

Christina Morrison , RD

Dietitian, Registered

NPI 1558563676

Registered Dietitian

William Vitale , NP

Nurse Practitioner

NPI 1669785812

Nurse Practitioner

Career & Practice History Timeline

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

15 Historical Events

📍

Updated Business Mailing Address September 03, 2025

Registered at 9 INDUSTRIAL RD STE 5, MILFORD, MA 017573736 (Tel: 5084731480)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 03, 2025

Internal Medicine (License #243757 in MA)

📍

Updated Practice Location June 15, 2023

Registered at 12 UXBRIDGE ROAD, MENDON, MA 017561311 (Tel: 5086346620)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 17, 2018

Internal Medicine (License #233213 in MA)

✅

NPI Profile Active August 08, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location August 08, 2017

Registered at 10010K SHOPS WAY, NORTHBOROUGH, MA 015324137 (Tel: 5089363866)

📍

Updated Business Mailing Address August 08, 2017

Registered at 9 INDUSTRIAL RD, SUITE 5, MILFORD, MA 017573588 (Tel: (508) 473-1480)

👤

Provider Name / Credentials Updated August 08, 2017

Recorded as DEBORAH DERDERIAN, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 08, 2017

Internal Medicine (License #233213 in MA)

✅

NPI Profile Active October 18, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location October 18, 2011

Registered at 12 UXBRIDGE ROAD, MENDON, MA 017561311 (Tel: 5086346620)

📍

Updated Business Mailing Address October 18, 2011

Registered at 9 INDUSTRIAL RD, SUITE 5, MILFORD, MA 017573588 (Tel: 5084731480)

👤

Provider Name / Credentials Updated October 18, 2011

Recorded as DEBORAH DERDERIAN, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 18, 2011

Internal Medicine (License #243757 in MA)

🟢

Initial NPI Registration & Enumeration August 14, 2008

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: 1619123205

Entity Type:

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

Enumeration Date: August 14, 2008

Last Update: November 21, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

9 Industrial Rd Ste 5

Milford, MA 017573736

Phone: 5084731480

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.