Active NPI 1407830201 Individual Practitioner Female Practitioner

Dr. Elyssa A. Pellish , MD

Emergency Medicine • Worcester, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Elyssa Pellish, MD is a certified Emergency Medicine practicing in Worcester, MA. With approximately 25 years of clinical experience since graduating from University Of Massachusetts Medical School in 2001, Dr. Pellish delivers high-quality medical care to the local community at 55 LAKE AVE N.

Dr. Pellish maintains professional affiliations with Reliant Medical Group Inc, Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, daptomycin, 1 mg, injection, ceftriaxone sodium, per 250 mg, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

55 Lake Ave N
Department Of Emergency Medicine

Worcester, MA 016550002

Telephone 5084211400

Fax 5084211490

Associated Practice Facility / Clinic

🏢 Umass Memorial Medical Center Facility NPI 1679574933

Medicare Profile & Education

Medical School

University Of Massachusetts Medical School

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Worcester, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

25 Yrs +11.1 yrs vs City Avg

City Avg: 13.9 Yrs

State Avg: 24.2 Yrs

Regional Practice Density

219 Specialists

Practicing in Worcester, MA (1875 Statewide)

Telehealth Adoption Rate

3.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

62.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Pellish (25 Years) 25 Yrs

Worcester Specialty Average (13.9 Years) 13.9 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
J0878 Injection, daptomycin, 1 mg	8,950	11	$0.70	$0.04
J0696 Injection, ceftriaxone sodium, per 250 mg	104	12	$0.90	$0.45
99213 Established patient office or other outpatient visit, typically 15 minutes	97	95	$211.00	$91.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	89	88	$313.00	$128.78
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	51	27	$215.00	$64.67
81003 Automated urinalysis test	37	37	$9.00	$2.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$305.00	$112.89
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	31	$463.00	$182.40
87636 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b	26	26	$348.00	$139.78
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$455.00	$162.40
93000 Routine ekg using at least 12 leads including interpretation and report	16	16	$49.00	$14.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	121	121	$211.00	$92.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	86	84	$313.00	$129.39
J0696 Injection, ceftriaxone sodium, per 250 mg	80	12	$7.58	$0.52
93000 Routine ekg using at least 12 leads including interpretation and report	35	35	$49.00	$14.84
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	34	21	$215.00	$66.98
81002 Urinalysis, manual test	30	29	$11.00	$3.41
99202 New patient office or other outpatient visit, typically 20 minutes	29	29	$204.00	$74.48
J7040 Infusion, normal saline solution, sterile (500 ml = 1 unit)	25	13	$7.56	$1.28
87636 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b	24	24	$265.00	$139.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$305.00	$106.91
81003 Automated urinalysis test	20	20	$9.00	$2.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$440.00	$182.61
96374 Injection of drug or substance into a vein for therapy, diagnosis, or prevention	12	12	$155.00	$38.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0878 Injection, daptomycin, 1 mg	8,600	11	$1.60	$0.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	110	107	$313.00	$131.18
99213 Established patient office or other outpatient visit, typically 15 minutes	97	96	$211.00	$93.25
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	39	22	$213.92	$72.09
87636 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b	38	38	$263.66	$140.45
93000 Routine ekg using at least 12 leads including interpretation and report	35	35	$49.00	$14.60
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$303.50	$116.59
81002 Urinalysis, manual test	30	30	$11.00	$3.45
81003 Automated urinalysis test	25	25	$9.00	$2.21
99285 Emergency department visit for life threatening or functioning severity	24	24	$464.44	$180.22
99202 New patient office or other outpatient visit, typically 20 minutes	23	23	$204.00	$76.05
J7040 Infusion, normal saline solution, sterile (500 ml = 1 unit)	23	12	$7.56	$1.32
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$440.00	$176.34
36415 Insertion of needle into vein for collection of blood sample	11	11	$18.00	$2.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1756 Injection, iron sucrose, 1 mg	4,000	16	$0.79	$0.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	103	101	$313.00	$134.71
99213 Established patient office or other outpatient visit, typically 15 minutes	67	65	$211.00	$93.62
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	66	44	$194.20	$77.55
81002 Urinalysis, manual test	60	58	$11.00	$3.48
87636 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b	46	46	$214.00	$142.63
93000 Routine ekg using at least 12 leads including interpretation and report	44	44	$49.00	$15.52
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$289.00	$117.59
99285 Emergency department visit for life threatening or functioning severity	26	25	$457.80	$183.60
96413 Infusion of chemotherapy into a vein up to 1 hour	25	18	$398.60	$156.31
36415 Insertion of needle into vein for collection of blood sample	15	15	$18.00	$3.00
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$204.00	$76.66
99284 Emergency department visit with moderate level of medical decision making	11	11	$293.95	$126.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J1756 Injection, iron sucrose, 1 mg	9,300	31	$0.79	$0.21
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)	2,250	11	$87.67	$56.13
J0696 Injection, ceftriaxone sodium, per 250 mg	169	18	$17.60	$0.58
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	111	80	$191.00	$75.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	108	104	$313.00	$114.41
J3489 Injection, zoledronic acid, 1 mg	75	15	$238.58	$11.50
96413 Infusion of chemotherapy into a vein up to 1 hour	64	30	$365.00	$150.37
99213 Established patient office or other outpatient visit, typically 15 minutes	51	50	$211.00	$77.87
81002 Urinalysis, manual test	41	41	$11.00	$3.46
99285 Emergency department visit for life threatening or functioning severity	31	30	$434.61	$179.87
93000 Routine ekg using at least 12 leads including interpretation and report	25	25	$49.00	$17.94
96415 Administration of chemotherapy into vein, each additional hour	18	13	$80.00	$32.16
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$289.00	$113.52
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$204.00	$80.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0878 Injection, daptomycin, 1 mg	11,700	15	$1.60	$0.34
J1756 Injection, iron sucrose, 1 mg	6,400	21	$0.79	$0.23
J0696 Injection, ceftriaxone sodium, per 250 mg	461	39	$17.60	$0.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	125	121	$313.00	$110.21
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	118	82	$191.00	$75.62
99213 Established patient office or other outpatient visit, typically 15 minutes	86	84	$211.00	$77.70
J3489 Injection, zoledronic acid, 1 mg	85	17	$238.58	$11.51
96413 Infusion of chemotherapy into a vein up to 1 hour	68	41	$365.00	$151.41
81002 Urinalysis, manual test	59	59	$11.00	$3.41
93000 Routine ekg using at least 12 leads including interpretation and report	45	45	$49.00	$18.09
99285 Emergency department visit for life threatening or functioning severity	25	25	$410.29	$180.61
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	24	$379.00	$153.29
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$289.00	$114.42
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	13	13	$41.00	$16.20
94640 Inhalation treatment for airway obstruction or sputum production	12	11	$48.00	$19.54
99284 Emergency department visit with moderate level of medical decision making	12	12	$264.80	$122.65
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$204.00	$80.73
J7030 Infusion, normal saline solution , 1000 cc	11	11	$7.56	$2.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	214	207	$391.11	$178.49
99284 Emergency department visit with moderate level of medical decision making	78	77	$251.03	$121.41
99283 Emergency department visit with low level of medical decision making	63	60	$161.08	$63.93
99291 Critical care, first 30-74 minutes	47	47	$583.34	$230.61
99282 Emergency department visit with straightforward medical decision making	15	15	$83.90	$42.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$300.00	$113.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	327	315	$383.71	$175.53
99283 Emergency department visit with low level of medical decision making	152	145	$157.90	$62.84
99284 Emergency department visit with moderate level of medical decision making	139	136	$246.61	$119.01
99291 Critical care, first 30-74 minutes	91	89	$571.65	$227.44
99282 Emergency department visit with straightforward medical decision making	29	28	$82.20	$42.02

Medical Specialties & State Licenses

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License MA 234790

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

2152452 (MA)

Hospital & Practice Group Affiliations

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

1 Deaconess Rd, Boston, MA 022155321

Phone: 7819839088

Reliant Medical Group Inc

366 Shrewsbury St, Worcester, MA 016044647

Phone: 5085952700

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Hillary Irons , MD

Emergency Medicine

NPI 1003041971

Doctor of Medicine (M.D.)

Samantha Williams , FNP-BC

Nurse Practitioner - Family

NPI 1003571209

Family Nurse Practitioner (Board Certified)

Duncan Daviau , PA-C

Physician Assistant

NPI 1013432582

Physician Assistant (Certified)

Caterina Singas , PA-C

Physician Assistant

NPI 1013557917

Physician Assistant (Certified)

Dr. Romolo Gaspari , MD

Emergency Medicine

NPI 1023091261

Doctor of Medicine (M.D.)

Jessie Christensen , CNP

Nurse Practitioner

NPI 1043652274

Certified Nurse Practitioner

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active March 25, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location March 25, 2009

Registered at 55 LAKE AVE N, DEPARTMENT OF EMERGENCY MEDICINE, WORCESTER, MA 016550002 (Tel: 5084211400)

📍

Updated Business Mailing Address March 25, 2009

Registered at PO BOX 415348, BOSTON, MA 022415348

👤

Provider Name / Credentials Updated March 25, 2009

Recorded as ELYSSA PELLISH, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 25, 2009

Emergency Medicine (License #234790 in MA)

🟢

Initial NPI Registration & Enumeration December 05, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1407830201

Entity Type:

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

Enumeration Date: December 05, 2005

Last Update: March 25, 2009

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.