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DANIEL LOUIS AARON M.D.
NPI 1518184605
Orthopaedic Surgery in Worcester, MA

Active since April 19, 2007PECOS EnrolledAccepts Medicare Assignment
281 LINCOLN ST, WORCESTER, MA 01605(508) 334-6606(508) 334-5156 Get Directions Write a Review

NPPES record last updated: October 27, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 27, 2020, Mar 4, 2016 (2 updates tracked since 2016).

About Daniel Louis Aaron M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DANIEL LOUIS AARON M.D. (NPI 1518184605) is an individual orthopaedic surgery provider in Worcester, Massachusetts, licensed in Massachusetts (253594) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of State University Of New York Downstate Medical Center (2005).

NPPES Registry Identity

NPI1518184605
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDANIEL LOUIS AARONCredential: M.D.
Location Address281 LINCOLN STWorcester, MA 01605-2138
Mailing AddressPo Box 415348Boston, MA 02241-5348
Phone(508) 334-6606
Fax(508) 334-5156
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 2005
Enumeration DateApril 19, 2007
Last NPPES UpdateOctober 27, 20202 updates tracked since enumeration
NPPES CertifiedOctober 27, 2020
✔ NPI 1518184605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in MA · 253594✔ Licensed in NY · 261022✔ Licensed in RI · MD13195
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
281 LINCOLN ST, Worcester, MA 01605
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Other Identifiers 1

Medicaid110087362AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Daniel Louis Aaron M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971634056
PECOS Enrollment IDI20121210000081
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Daniel Aaron reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Umass Memorial Medical Group Inc
1.9 mi
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
NPI 1760445373 (508) 334-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
327 services202 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
86 services86 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
77 services70 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
56 services43 patients
Prosthetic repair of shoulder joint, total shoulder 23472
Total shoulder prosthetic repair is a surgical procedure to replace a damaged shoulder joint with artificial components. It aims to relieve pain and restore mobility. The procedure involves replacing the ball (humeral head) and socket (glenoid) of the shoulder joint.
39 services38 patients
Removal of extensive shoulder joint tissue using an endoscope 29823
This procedure, known as arthroscopic debridement, involves using a small camera (endoscope) to view your shoulder joint. Damaged or unwanted tissue is then carefully removed. This minimally invasive technique aims to reduce pain and improve joint mobility.
14 services14 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220001
Location60 Hospital RoadLeominster, MA 01453 · Worcester County
Emergency services

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220019
Location100 South StreetSouthbridge, MA 01550 · Worcester County
Emergency services

Umass Memorial Healthcare-Marlborough Hospital

Acute Care Hospitals · Marlborough, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220049
Location157 Union StreetMarlborough, MA 01752 · Middlesex County
Emergency services

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

St Vincent Hospital

Acute Care Hospitals · Worcester, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220176
Location123 Summer StreetWorcester, MA 01608 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf L3670
DME-Orthotic Devices · category DF000N
2 suppliers12 claims12 services$86.67 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STACY AILEEN MEULENAERE OTR/L
Occupational Therapist
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-1000
RACHEL NOONE PA-C
Physician Assistant
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-6158
DR. THOMAS EVANS M.D.
Emergency Medicine
281 LINCOLN ST, MED STAFF SVCS
WORCESTER, MA 01605
Worcester County (508) 334-8015
RAJIV BALASURIYA M.D.
Family Medicine
281 LINCOLN ST, MEDICAL STAFF SVCS
WORCESTER, MA 01605
Worcester County (508) 334-8015
DR. DANIEL LEE M.D., PHD
Internal Medicine (Medical Oncology)
281 LINCOLN ST, MEDICAL STAFF SVCS
WORCESTER, MA 01605
Worcester County (508) 334-1131
MEGAN ELIZABETH KLEIN MS, CCC-SLP
Speech-Language Pathologist
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-1000
ANKUR SHAH NARAIN MD
Orthopaedic Surgery
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-1955
THOMAS MICHAEL CERVANTES
Plastic Surgery (Surgery of the Hand)
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Aaron's NPI number?

The NPI number for Daniel Aaron is 1518184605. It was assigned to this individual provider in the NPPES registry on April 19, 2007.

Where is Daniel Aaron located?

Daniel Aaron practices at 281 Lincoln St, Worcester, MA 01605. The listed phone number is (508) 334-6606.

What is Daniel Aaron's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Daniel Aaron enrolled in Medicare?

Yes. Daniel Aaron is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Daniel Aaron's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Aaron reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Daniel Aaron's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Aaron accept?

Health plans from Anthem Blue Cross and Blue Shield list Daniel Aaron as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Daniel Aaron affiliated with any hospitals?

According to CMS data, Daniel Aaron is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Health - Harrington Hospital, Umass Memorial Healthcare-Marlborough Hospital, Umass Memorial Medical Center/University Campus and St Vincent Hospital.

When was this NPI record last updated?

The NPPES record for Daniel Aaron was last updated on October 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.