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DANIEL M ESTOK II MD
NPI 1366468464
Orthopaedic Surgery in Boston, MA

Active since July 14, 2006PECOS EnrolledAccepts Medicare Assignment
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DEPT OF ORTHOPEDIC SURGERY, BOSTON, MA 02115(617) 732-6650 Get Directions Write a Review

NPPES record last updated: August 6, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Daniel M Estok Ii Md NPPES

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

DANIEL M ESTOK II MD (NPI 1366468464) is an individual orthopaedic surgery provider in Boston, Massachusetts, licensed in Massachusetts (71296) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of University Of Miami, Lm Miller School Of Medicine (1983).

NPPES Registry Identity

NPI1366468464
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDANIEL M ESTOK IICredential: MD
Location Address75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DEPT OF ORTHOPEDIC SURGERYBoston, MA 02115
Mailing Address111 Cypress St, Brigham And Womens Physicians OrganizationBrookline, MA 02445 · (857) 307-0896
Phone(617) 732-6650
Sole ProprietorNo
Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 1983
Enumeration DateJuly 14, 2006
Last NPPES UpdateAugust 6, 2012
✔ NPI 1366468464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in MA · 71296
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.
Also ListedOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryTaxonomy 207XS0114X · License 71296 (MA)
75 FRANCIS STREET, Boston, MA 02115
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Other Identifiers 3

Medicare UPINE68366
Medicare ID-Type UnspecifiedJ10461
Medicaid3071260MA

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 M Estok Ii Md 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 ID9436196599
PECOS Enrollment IDI20050411001161
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 Estok reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Brigham & Womens Physicians Organization Inc
Same address
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
NPI 1033535497 (617) 732-5500

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 9

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 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.
335 services253 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
72 services72 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.
46 services42 patients
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.
34 services33 patients
Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
26 services24 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.
20 services20 patients

Hospital Affiliations CMS Care Compare

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

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.

JIA CHENG YAO M.D.
Student in an Organized Health Care Education/Training Program
75 FRANCIS STREET
BOSTON, MA 02115
Suffolk County (517) 732-5500
MR. FADI HABBAB MD
Radiology (Diagnostic Radiology)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL RADIOLOGY DEPT
BOSTON, MA 02115
Suffolk County (617) 732-6273
MRS. LEAH RAE PRAGER PA-C, MPH
Physician Assistant
75 FRANCIS STREET
BOSTON, MA 02115
Suffolk County (617) 732-6819
MICHAEL SEAN NURMSOO M.D.
Radiology (Diagnostic Radiology)
75 FRANCIS STREET
BOSTON, MA 02115
Suffolk County (617) 732-5500
ALISA B GOLDBERG MD MPH
Obstetrics & Gynecology
75 FRANCIS STREET, WOMENS HEALTH DEPARTMENT OBGYN
BOSTON, MA 02115
Suffolk County (617) 732-8625
DAVID WESTFALL BATES MD
Internal Medicine
75 FRANCIS STREET, BRIGHAM INTERNAL MEDICINE ASSOCIATES
BOSTON, MA 02115
Suffolk County (617) 732-7063
ASHLEY HARALSON VERNON MD
Surgery
75 FRANCIS STREET, BRIGHAM AND WOMEN'S HOSPITAL DIVISION OF GENERAL AND GA
BOSTON, MA 02115
Suffolk County (617) 732-8710
LINDSAY FAYE PARONICH PA-C
Physician Assistant
75 FRANCIS STREET
BOSTON, MA 02115
Suffolk County (617) 732-8064

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 Estok's NPI number?

The NPI number for Daniel Estok is 1366468464. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Daniel Estok located?

Daniel Estok practices at 75 Francis Street Brigham And Womens Hospital Dept Of Orthopedic Surgery, Boston, MA 02115. The listed phone number is (617) 732-6650.

What is Daniel Estok's specialty?

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

Is Daniel Estok enrolled in Medicare?

Yes. Daniel Estok 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 Estok's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Estok reassigns Medicare benefits to Brigham & Womens Physicians Organization Inc (Boston, 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 Estok's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Daniel Estok affiliated with any hospitals?

According to CMS data, Daniel Estok is affiliated with Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Daniel Estok was last updated on August 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.