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WILLIAM REED SHIMBERG MD
NPI 1790147940
Internal Medicine in Tampa, FL

Active since March 27, 2016PECOS EnrolledAccepts Medicare Assignment
95.35/100
CMS Quality Rating
2727 W DR MARTIN LUTHER KING JR BLVD STE 450, TAMPA, FL 33607(813) 875-8453(813) 377-1390 Get Directions Write a Review

NPPES record last updated: April 12, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 12, 2024, May 4, 2023, Mar 9, 2023 and 39 more (42 updates tracked since 2016).

About William Reed Shimberg Md NPPES

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

WILLIAM REED SHIMBERG MD (NPI 1790147940) is an individual internal medicine provider in Tampa, Florida, licensed in Florida (ME165844) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with St Josephs Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1790147940
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM REED SHIMBERGCredential: MD
Location Address2727 W DR MARTIN LUTHER KING JR BLVD STE 450Tampa, FL 33607-6002
Mailing Address38135 Market Square DrZephyrhills, FL 33542-7505 · (352) 567-0188 · Fax (813) 355-5101
Phone(813) 875-8453
Fax(813) 377-1390
Sole ProprietorNo
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2016
Enumeration DateMarch 27, 2016
Last NPPES UpdateApril 12, 202442 updates tracked since enumeration
NPPES CertifiedApril 12, 2024
✔ NPI 1790147940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in FL · ME165844✔ Licensed in NC · 2019-01126
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2727 W DR MARTIN LUTHER KING JR BLVD STE 450, Tampa, FL 33607
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Secondary Practice Locations 2

Location 13025 Springbank Ln, Ste 100Charlotte, NC 28226-3362 · Phone (704) 302-9462
Location 24525 Cameron Valley PkwyCharlotte, NC 28211-4369 · Phone (704) 355-5100

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina 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

William Reed Shimberg 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 ID9638446040
PECOS Enrollment IDI20240313000097
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

3

Medicare enrollment records show William Shimberg reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Florida Medical Clinic LLC
26 mi
Clinic/Center
38135 MARKET SQUARE
Zephyrhills, FL 33542
  • Reassigned Medicare billing, Florida enrollment
  • 451 clinicians in this Medicare group
NPI 1821055690 (813) 780-8440
Ohi West Medical Group II LLC
26 mi
General Practice
38135 MARKET SQUARE DR
Zephyrhills, FL 33542
  • Reassigned Medicare billing, Florida enrollment
  • 467 clinicians in this Medicare group
NPI 1982381299 (813) 780-8774
Carolinas Physicians Network Inc
492 mi
Surgery
2700 PROVIDENCE RD S, SUITE 225
Waxhaw, NC 28173
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,057 clinicians in this Medicare group
NPI 1134477466 (704) 667-6700

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 10

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.
129 services106 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.
123 services108 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
64 services64 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
35 services35 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.
30 services30 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
22 services22 patients

Hospital Affiliations CMS Care Compare

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

St Josephs Hospital

Acute Care Hospitals · Tampa, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100075
Location3001 W Martin Luther King Jr BlvdTampa, FL 33677 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33607 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

95.35/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.22
Promoting Interoperability100
Improvement Activities40

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.

Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier11 claims11 services$18.27 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 4

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

DR. DESHANIE GOVENDER MD
Family Medicine
2727 W DR MARTIN LUTHER KING JR BLVD STE 450
TAMPA, FL 33607
Hillsborough County (813) 875-8453
CRISTINA RELIHAN PA-C
Physician Assistant
2727 W DR MARTIN LUTHER KING JR BLVD STE 450
TAMPA, FL 33607
Hillsborough County (813) 875-8453
ASHLYN SCHELLENTRAGER APRN
Nurse Practitioner (Family)
2727 W DR MARTIN LUTHER KING JR BLVD STE 450
TAMPA, FL 33607
Hillsborough County (813) 875-8453
FLORIDA MEDICAL CLINIC, LLC
Clinic/Center (Multi-Specialty)
2727 W DR MARTIN LUTHER KING JR BLVD STE 450
TAMPA, FL 33607
Hillsborough County (813) 875-8453

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 Shimberg's NPI number?

The NPI number for William Shimberg is 1790147940. It was assigned to this individual provider in the NPPES registry on March 27, 2016.

Where is William Shimberg located?

William Shimberg practices at 2727 W Dr Martin Luther King Jr Blvd Ste 450, Tampa, FL 33607. The listed phone number is (813) 875-8453.

What is William Shimberg's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Shimberg enrolled in Medicare?

Yes. William Shimberg 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 William Shimberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Shimberg reassigns Medicare benefits to 3 organizations: Florida Medical Clinic LLC (Zephyrhills, FL), Ohi West Medical Group II LLC (Zephyrhills, FL) and Carolinas Physicians Network Inc (Waxhaw, NC). 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 William Shimberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Shimberg accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and AmeriHealth Caritas Next and 5 other insurers list William Shimberg 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 Shimberg affiliated with any hospitals?

According to CMS data, William Shimberg is affiliated with St Josephs Hospital.

When was this NPI record last updated?

The NPPES record for William Shimberg was last updated on April 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.