Active NPI 1467435131 Individual Practitioner Male Practitioner

Dr. Daniel R Massarelli , MD

Internal Medicine • Worcester, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Daniel Massarelli, MD is a certified Internal Medicine practicing in Worcester, MA. With approximately 42 years of clinical experience since graduating from University Of Massachusetts Medical School in 1984, Dr. Massarelli delivers high-quality medical care to the local community at 1 W BOYLSTON ST.

Dr. Massarelli is affiliated with 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 annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, established patient outpatient office visit, pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 W Boylston St

Worcester, MA 016051265

Telephone 5083348802

Associated Practice Facility / Clinic

🏢 Grove Street Chiropractic, Inc. Facility NPI 1235447822

Medicare Profile & Education

Medical School

University Of Massachusetts Medical School

Graduation Year

1984

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Worcester, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

42 Yrs +22.6 yrs vs City Avg

City Avg: 19.4 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

460 Specialists

Practicing in Worcester, MA (7127 Statewide)

Telehealth Adoption Rate

15.9% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

77.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Massarelli (42 Years) 42 Yrs

Worcester Specialty Average (19.4 Years) 19.4 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
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	382	382	$389.00	$47.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	360	276	$445.00	$84.24
99213 Established patient office or other outpatient visit, typically 15 minutes	199	163	$300.00	$57.70
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	79	79	$723.00	$283.81
G0009 Administration of pneumococcal vaccine	75	75	$86.00	$32.81
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	50	41	$633.24	$106.67
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	47	46	$81.00	$6.52
G0008 Administration of influenza virus vaccine	42	42	$86.00	$32.81
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	35	25	$214.00	$55.38
90658 Influenza vaccine, trivalent, 0.5 ml dosage	28	28	$55.00	$21.42
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	21	21	$556.00	$158.59
99443 Telephone medical discussion with physician, 21-30 minutes	20	17	$428.75	$131.74
99495 Transitional care management services for problem of at least moderate complexity	17	15	$625.00	$102.13
99496 Transitional care management services for problem of high complexity	13	13	$881.00	$129.01
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$572.00	$65.61
90653 Vaccine for influenza for injection into muscle	11	11	$182.00	$81.82

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	352	267	$403.95	$84.95
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	345	345	$389.00	$46.60
99213 Established patient office or other outpatient visit, typically 15 minutes	188	162	$279.74	$60.11
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	80	80	$574.02	$271.09
G0009 Administration of pneumococcal vaccine	77	77	$86.00	$33.84
G0008 Administration of influenza virus vaccine	61	61	$86.00	$33.84
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	53	37	$214.00	$53.58
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	46	46	$58.00	$20.02
93000 Routine ekg using at least 12 leads including interpretation and report	31	31	$131.00	$14.87
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	23	22	$510.04	$105.09
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	23	23	$556.00	$157.47
99442 Telephone medical discussion with physician, 11-20 minutes	22	20	$282.27	$92.70
99443 Telephone medical discussion with physician, 21-30 minutes	19	16	$382.00	$130.36
99495 Transitional care management services for problem of at least moderate complexity	19	19	$625.00	$97.01
90662 Influenza vaccine split virus, preservative free	16	16	$186.00	$71.93
99496 Transitional care management services for problem of high complexity	15	15	$881.00	$123.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	345	345	$389.00	$46.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	328	244	$359.00	$93.84
99213 Established patient office or other outpatient visit, typically 15 minutes	189	163	$244.00	$66.50
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	62	39	$214.00	$55.99
G0008 Administration of influenza virus vaccine	55	55	$86.00	$33.73
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	45	45	$58.00	$20.06
99442 Telephone medical discussion with physician, 11-20 minutes	36	33	$263.00	$94.79
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	29	$482.00	$124.99
G0009 Administration of pneumococcal vaccine	29	29	$86.00	$33.97
93000 Routine ekg using at least 12 leads including interpretation and report	25	24	$131.00	$15.09
90670 Pneumococcal vaccine for injection into muscle	17	17	$702.00	$251.20
90471 Administration of 1 vaccine	17	17	$86.00	$17.79
99496 Transitional care management services for problem of high complexity	16	15	$881.00	$112.83
99443 Telephone medical discussion with physician, 21-30 minutes	16	16	$382.00	$134.96
99495 Transitional care management services for problem of at least moderate complexity	13	11	$625.00	$96.05
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$556.00	$155.91

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	370	269	$354.47	$90.53
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	338	338	$383.66	$47.94
99213 Established patient office or other outpatient visit, typically 15 minutes	193	161	$239.96	$65.46
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	64	64	$43.77	$19.88
G0008 Administration of influenza virus vaccine	63	63	$85.43	$19.51
99442 Telephone medical discussion with physician, 11-20 minutes	53	41	$263.00	$96.84
93000 Routine ekg using at least 12 leads including interpretation and report	53	50	$131.00	$15.69
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	48	36	$214.00	$56.26
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	45	38	$479.64	$103.54
99443 Telephone medical discussion with physician, 21-30 minutes	38	31	$382.00	$137.25
G0009 Administration of pneumococcal vaccine	27	27	$83.78	$19.47
90670 Pneumococcal vaccine for injection into muscle	16	16	$469.56	$239.27
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	14	14	$535.21	$158.82
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$262.82	$124.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	238	238	$348.00	$123.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	222	171	$316.00	$114.91
99213 Established patient office or other outpatient visit, typically 15 minutes	200	159	$214.00	$76.83
99442 Telephone medical discussion with physician, 11-20 minutes	147	117	$211.99	$79.95
99443 Telephone medical discussion with physician, 21-30 minutes	113	90	$335.95	$116.08
G0008 Administration of influenza virus vaccine	96	93	$74.00	$18.98
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	96	93	$39.00	$18.96
G0009 Administration of pneumococcal vaccine	78	78	$74.00	$18.89
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	48	48	$235.00	$116.76
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	34	32	$429.00	$155.66
90670 Pneumococcal vaccine for injection into muscle	30	30	$420.00	$223.54
93000 Routine ekg using at least 12 leads including interpretation and report	28	28	$131.00	$18.28
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	20	18	$214.00	$56.76
G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic	20	20	$53.90	$13.96
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	15	15	$459.00	$176.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	284	284	$348.00	$122.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	280	193	$314.00	$114.60
99213 Established patient office or other outpatient visit, typically 15 minutes	265	195	$212.58	$78.39
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	121	120	$38.98	$17.48
G0008 Administration of influenza virus vaccine	119	119	$73.92	$17.45
G0009 Administration of pneumococcal vaccine	39	39	$73.49	$18.18
93000 Routine ekg using at least 12 leads including interpretation and report	29	28	$131.00	$18.10
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	29	26	$214.00	$56.28
90670 Pneumococcal vaccine for injection into muscle	22	22	$416.18	$207.84
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	17	17	$459.00	$175.08
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	17	17	$232.82	$110.44
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	11	$427.62	$153.35

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	333	227	$296.00	$111.99
99213 Established patient office or other outpatient visit, typically 15 minutes	310	214	$199.48	$76.01
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	299	299	$348.00	$122.09
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	133	131	$38.00	$17.48
G0008 Administration of influenza virus vaccine	133	131	$69.00	$23.21
93000 Routine ekg using at least 12 leads including interpretation and report	46	42	$131.00	$17.91
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	23	$420.00	$151.78
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	16	16	$459.00	$173.62
G0009 Administration of pneumococcal vaccine	13	13	$69.00	$23.21

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	397	236	$296.00	$110.60
99213 Established patient office or other outpatient visit, typically 15 minutes	304	219	$199.00	$75.44
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	280	280	$347.10	$119.22
G0008 Administration of influenza virus vaccine	109	109	$69.00	$28.66
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	109	109	$38.00	$17.48
93000 Routine ekg using at least 12 leads including interpretation and report	66	64	$131.00	$17.67
G0009 Administration of pneumococcal vaccine	25	25	$69.00	$28.66
90670 Pneumococcal vaccine for injection into muscle	25	25	$392.00	$185.16
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	21	18	$214.00	$55.77
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	19	19	$514.05	$176.33
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$459.00	$171.07

Medical Specialties & State Licenses

CMS Verified: 2020-11-04

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 58480

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3035191 (MA)

Hospital & Practice Group Affiliations

Umass Memorial Medical Group Inc

55 Lake Ave N, Worcester, MA 016550002

Phone: 5083341000

Umass Memorial Medical Group Inc

1 W Boylston St, Worcester, MA 016051274

Phone: 5088542636

Practice Associates & Co-Workers

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

6 Associated Practitioners

Dr. Luna Hidaya , MD

Internal Medicine

NPI 1063809002

Doctor of Medicine (M.D.)

Mackenzie Rogers , NP

Nurse Practitioner

NPI 1578431623

Nurse Practitioner

Dr. Nosheen Ishaque , MD

Internal Medicine

NPI 1912273087

Doctor of Medicine (M.D.)

Dr. Ninan Polackal , MD

Internal Medicine

NPI 1912980814

Doctor of Medicine (M.D.)

Dr. Ursula Collinson , MD

Internal Medicine

NPI 1932182847

Doctor of Medicine (M.D.)

Dr. Michael Galica , MD

Internal Medicine

NPI 1972586733

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 May 19, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location May 19, 2009

Registered at 1 W BOYLSTON ST, WORCESTER, MA 016051265 (Tel: 5083348802)

📍

Updated Business Mailing Address May 19, 2009

Registered at PO BOX 415348, BOSTON, MA 022415348

👤

Provider Name / Credentials Updated May 19, 2009

Recorded as DANIEL MASSARELLI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 19, 2009

Internal Medicine (License #58480 in MA)

🟢

Initial NPI Registration & Enumeration November 27, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Daniel Massarelli. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1467435131

Entity Type:

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

Enumeration Date: November 27, 2005

Last Update: November 04, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 415348

Boston, MA 022415348

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.