WILL SUN M.D.
NPI 1881011286
Anesthesiology - Pain Medicine in Philadelphia, PA

Q: What is Will Sun's NPI number?

The NPI number for Will Sun is 1881011286. It was assigned to this individual provider in the NPPES registry on March 24, 2014.

Q: What is Will Sun's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Q: When was this NPI record last updated?

The NPPES record for Will Sun was last updated on May 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since March 24, 2014PECOS EnrolledAccepts Medicare Assignment

95.64/100

CMS Quality Rating

834 CHESTNUT ST STE T150, PHILADELPHIA, PA 19107(215) 955-7246(215) 923-5086 Get Directions Write a Review

NPPES record last updated: May 29, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 29, 2019, Jul 28, 2018 (2 updates tracked since 2018).

On this page

About Will Sun M.d. NPPES

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

WILL SUN M.D. (NPI 1881011286) is an individual pain medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MT214870) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with St Luke's Hospital Bethlehem, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1881011286

Entity TypeIndividualMale

Primary Taxonomy207LP2900X

Provider Legal NameWILL SUNCredential: M.D.

Location Address834 CHESTNUT ST STE T150Philadelphia, PA 19107

Mailing Address834 Chestnut St Ste T150Philadelphia, PA 19107-5114 · (215) 955-7246 · Fax (215) 923-5086

Phone(215) 955-7246

Fax(215) 923-5086

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMarch 24, 2014

Last NPPES UpdateMay 29, 20192 updates tracked since enumeration

✔ NPI 1881011286 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207LP2900X

Licenses✔ Licensed in PA · MT214870✔ Licensed in PA · MD467148

Definition

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

Also ListedAnesthesiologyTaxonomy 207L00000X · License MT214870 (PA)

834 CHESTNUT ST STE T150, Philadelphia, PA 19107

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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

Will Sun 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 ID6204184369

PECOS Enrollment IDI20190709000362

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 Reassignments

Medicare enrollment records show Will Sun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tower Health Medical Group

9.5 mi

Transplant Surgery

8835 GERMANTOWN AVE
Philadelphia, PA 19118

Reassigned Medicare billing, Pennsylvania enrollment
1,473 clinicians in this Medicare group

NPI 1306476924 (484) 628-7700

St Luke's Physician Group Inc

21 mi

Urogynecology and Reconstructive Pelvic Surgery

419 S BROAD ST UNIT 4
Lansdale, PA 19446

Reassigned Medicare billing, Pennsylvania enrollment
Medicare enrollment name: St Lukes Physician Group Inc
2,851 clinicians in this Medicare group

NPI 1295620607 (215) 536-3200

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 15

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.

240 services128 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.

106 services106 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

72 services52 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

60 services51 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

44 services36 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.

43 services39 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

25 services17 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

25 services17 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

22 services13 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 64636

This procedure involves using imaging technology to locate and treat nerves in your lower spine or sacral area that may be causing pain. Each additional facet joint refers to treating more than one spinal nerve. It's a non-invasive way to manage chronic back pain.

22 services13 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.

18 services18 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

18 services18 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

17 services15 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

16 services16 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

St Luke's Hospital Bethlehem

Acute Care Hospitals · Bethlehem, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390049

Location801 Ostrum StreetBethlehem, PA 18015 · Northampton County

Emergency services Birthing friendly

Lehigh Valley Hospital

Acute Care Hospitals · Allentown, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390133

Location1200 South Cedar Crest BoulevardAllentown, PA 18103 · Lehigh County

Emergency services Birthing friendly

St Luke's Hospital - Easton Campus

Acute Care Hospitals · Easton, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390162

Location250 South 21st StreetEaston, PA 18042 · Northampton County

Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.64/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

80.57

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES

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

DR. ANISH SETHI D.O.

Anesthesiology (Pain Medicine)

834 CHESTNUT ST STE T150
PHILADELPHIA, PA 19107

Philadelphia County (215) 955-2108

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 Will Sun's NPI number?

The NPI number for Will Sun is 1881011286. It was assigned to this individual provider in the NPPES registry on March 24, 2014.

Where is Will Sun located?

Will Sun practices at 834 Chestnut St Ste T150, Philadelphia, PA 19107. The listed phone number is (215) 955-7246.

What is Will Sun's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Will Sun enrolled in Medicare?

Yes. Will Sun 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 organizations bill Medicare for Will Sun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Will Sun reassigns Medicare benefits to 2 organizations: Tower Health Medical Group (Philadelphia, PA) and St Luke's Physician Group Inc (Lansdale, PA). Each 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 Will Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Will Sun affiliated with any hospitals?

According to CMS data, Will Sun is affiliated with St Luke's Hospital Bethlehem, Lehigh Valley Hospital and St Luke's Hospital - Easton Campus.

When was this NPI record last updated?

The NPPES record for Will Sun was last updated on May 29, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.