DR. WILLIAM A SUNSHINE M.D.
NPI 1790765543
Internal Medicine - Rheumatology in Boca Raton, FL

Q: What is William Sunshine's NPI number?

The NPI number for William Sunshine is 1790765543. It was assigned to this individual provider in the NPPES registry on January 18, 2006.

Q: What is William Sunshine's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for William Sunshine was last updated on August 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 January 18, 2006PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

660 GLADES RD, SUITE 306, BOCA RATON, FL 33431(561) 862-0401(561) 862-0402 Get Directions Write a Review

NPPES record last updated: August 20, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 20, 2021, Jul 28, 2021 (2 updates tracked since 2021).

On this page

About Dr. William A Sunshine M.d. NPPES

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

DR. WILLIAM A SUNSHINE M.D. (NPI 1790765543) is an individual rheumatology provider in Boca Raton, Florida, licensed in Florida (ME59345) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Boca Raton Regional Hospital, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1790765543

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. WILLIAM A SUNSHINECredential: M.D.

Location Address660 GLADES RD, SUITE 306Boca Raton, FL 33431-6465

Mailing Address660 Glades Rd, Suite 306Boca Raton, FL 33431-6465 · (561) 862-0401 · Fax (561) 862-0402

Phone(561) 862-0401

Fax(561) 862-0402

Sole ProprietorYes

Medical School CMSOtherGraduated 1986

Enumeration DateJanuary 18, 2006

Last NPPES UpdateAugust 20, 20212 updates tracked since enumeration

NPPES CertifiedAugust 20, 2021

✔ NPI 1790765543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in FL · ME59345

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

660 GLADES RD, Boca Raton, FL 33431

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Superior HealthPlan, Ambetter Health, Ambetter of Alabama and more.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

Dr. William A Sunshine 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 ID3375513815

PECOS Enrollment IDI20040730000434

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 William Sunshine reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

American Arthritis & Rheumatology Associates LLC

38 mi

Rheumatology

1025 MILITARY TRL STE 200
Jupiter, FL 33458

Reassigned Medicare billing, Florida enrollment
80 clinicians in this Medicare group

NPI 1598205072 (561) 747-1987

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 13

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.

Injection, certolizumab pegol, 1 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) J0717

Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.

256,800 services74 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

16,980 services172 patients

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) J0129

Abatacept is a medication administered via injection under a doctor's supervision. It's used to treat conditions like rheumatoid arthritis by moderating the immune system. This code applies when the doctor administers the drug, not for self-administration.

15,275 services24 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

1,594 services239 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

317 services40 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.

216 services137 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.

110 services79 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.

90 services90 patients

Injection, zoledronic acid, 1 mg J3489

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

85 services17 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.

49 services49 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

42 services35 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.

27 services22 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

17 services17 patients

Hospital Affiliations CMS Care Compare

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

Boca Raton Regional Hospital

Acute Care Hospitals · Boca Raton, FL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100168

Location800 Meadows RdBoca Raton, FL 33486 · Palm Beach County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33431 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

$135.56 typical visit price

range $58.56 – $179.05

Typical copayment $33.89 (range $14.64 – $44.76)

Most-billed visit code 99204

Established Patient

$103.21 typical visit price

range $18.44 – $144.68

Typical copayment $25.80 (range $4.61 – $36.17)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

75/100

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

Individually scored

Reported Quality Measures

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%2,085 patients5/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

67%435 patients3/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

1%1,016 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%656 patients5/55-star benchmark: 97%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

39%1,016 patients2/55-star benchmark: 100%

Psoriasis: Tuberculosis (TB) Prevention for Patients with Psoriasis, Psoriatic Arthritis and Rheumatoid Arthritis Patients on a Biological Immune Response Modifier

Percentage of patients whose providers are ensuring active tuberculosis prevention either through yearly negative standard tuberculosis screening tests or are reviewing the patient's history to determine if they have had appropriate management for a recent or…

100%20 patients

Rheumatoid Arthritis (RA): Assessment and Classification of Disease Prognosis

Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) who have an assessment and classification of disease prognosis at least once within 12 months

100%83 patients5/55-star benchmark: 100%

Rheumatoid Arthritis (RA): Functional Status Assessment

Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) for whom a functional status assessment was performed at least once within 12 months

100%84 patients5/55-star benchmark: 100%

Rheumatoid Arthritis (RA): Periodic Assessment of Disease Activity

Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) who have an assessment and classification of disease activity within 12 months

100%84 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. SANDRA LUZ HIRSCH MD

Internal Medicine

660 GLADES RD, STE 300
BOCA RATON, FL 33431

Palm Beach County (561) 620-8992

DR. DAVID JOHN ALLEY MD

Internal Medicine

660 GLADES RD, SUITE 140
BOCA RATON, FL 33431

Palm Beach County (561) 447-7737

MICHAEL JAMES KREBSBACH M.D.

Specialist

660 GLADES RD, SUITE 460
BOCA RATON, FL 33431

Palm Beach County (561) 391-5515

DR ROBERT L ULLMAN PA

Internal Medicine (Cardiovascular Disease)

660 GLADES RD, SUITE 140
BOCA RATON, FL 33431

Palm Beach County (561) 213-7525

DANIEL OHARA M D P A

Clinic/Center

660 GLADES RD, SUITE # 380
BOCA RATON, FL 33431

Palm Beach County (561) 393-1994

LEAH BAKER M.D.

Internal Medicine

660 GLADES RD, SUITE 100
BOCA RATON, FL 33431

Palm Beach County (561) 395-9200

NATALIO J CHEDIAK MD PA

Specialist

660 GLADES RD, SUITE 220
BOCA RATON, FL 33431

Palm Beach County (561) 750-9881

JONATHAN SECKLER M.D.

Internal Medicine (Cardiovascular Disease)

660 GLADES RD, SUITE 200
BOCA RATON, FL 33431

Palm Beach County (561) 338-9992

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 William Sunshine's NPI number?

The NPI number for William Sunshine is 1790765543. It was assigned to this individual provider in the NPPES registry on January 18, 2006.

Where is William Sunshine located?

William Sunshine practices at 660 Glades Rd Suite 306, Boca Raton, FL 33431. The listed phone number is (561) 862-0401.

What is William Sunshine's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is William Sunshine enrolled in Medicare?

Yes. William Sunshine 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 William Sunshine's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Sunshine reassigns Medicare benefits to American Arthritis & Rheumatology Associates LLC (Jupiter, FL). 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 William Sunshine's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Sunshine accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, AmeriHealth Caritas Next and Cigna HealthCare of Florida, Inc. and 5 other insurers list William Sunshine 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 William Sunshine affiliated with any hospitals?

According to CMS data, William Sunshine is affiliated with Boca Raton Regional Hospital.

When was this NPI record last updated?

The NPPES record for William Sunshine was last updated on August 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.