Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM ANDREW MERIWETHER MD
NPI 1831519669
Internal Medicine in Tampa, FL

Active since April 19, 2014Opted out of Medicare · through Apr 1, 2028
4100 W KENNEDY BLVD STE 214, TAMPA, FL 33609(813) 727-3233 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 12, 2026, Dec 11, 2025, Sep 5, 2025 and 3 more (6 updates tracked since 2018).

About Dr. William Andrew Meriwether Md NPPES

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

DR. WILLIAM ANDREW MERIWETHER MD (NPI 1831519669) is an individual internal medicine provider in Tampa, Florida, licensed in Florida (ME136299) and active in the NPI registry since April 2014. He has opted out of Medicare through April 1, 2028 and remains eligible to order and refer, is affiliated with Tampa General Hospital, and is a graduate of University Of South Alabama College Of Medicine (2014).

NPPES Registry Identity

NPI1831519669
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM ANDREW MERIWETHERCredential: MD
Location Address4100 W KENNEDY BLVD STE 214Tampa, FL 33609-2244
Mailing Address2330 W Horatio StTampa, FL 33609-3590 · (813) 727-3233 · Fax (833) 941-5028
Sole ProprietorNo
Medical School CMSUniversity Of South Alabama College Of MedicineGraduated 2014
Enumeration DateApril 19, 2014
Last NPPES UpdateAugust 12, 20266 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
NPI 1831519669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in FL · ME136299
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.
Also ListedPediatricsTaxonomy 208000000X · License ME136299 (FL)
4100 W KENNEDY BLVD STE 214, Tampa, FL 33609

Other Identifiers 2

Other25LCQFL · Blue Cross Blue Shield
Medicaid100391800FL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. William Andrew Meriwether Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2026 through April 1, 2028.

Opt-Out Effective DateApril 1, 2026
Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Areas of Expertise CMS Part B claims 2

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
85 services84 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
24 services24 patients

Hospital Affiliations CMS Care Compare 2

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

Tampa General Hospital

Acute Care Hospitals · Tampa, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100128
Location1 Tampa General CirTampa, FL 33606 · Hillsborough County
Emergency services Birthing friendly

Adventhealth Tampa

Acute Care Hospitals · Tampa, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100173
Location3100 E Fletcher AveTampa, FL 33613 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33609 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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers13 claims13 services$13.79 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers13 claims13 services$64.86 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 5

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

Counselor (Mental Health)
4100 W KENNEDY BLVD STE 214
TAMPA, FL 33609
Counselor (Mental Health)
4100 W KENNEDY BLVD STE 214
TAMPA, FL 33609
Psychologist (Clinical)
4100 W KENNEDY BLVD STE 214
TAMPA, FL 33609
Family Medicine
4100 W KENNEDY BLVD STE 214
TAMPA, FL 33609
Counselor (Mental Health)
4100 W KENNEDY BLVD STE 214
TAMPA, FL 33609

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 Meriwether's NPI number?

The NPI number for William Meriwether is 1831519669. It was assigned to this individual provider in the NPPES registry on April 19, 2014.

Where is William Meriwether located?

William Meriwether practices at 4100 W Kennedy Blvd Ste 214, Tampa, FL 33609. The listed phone number is (813) 727-3233.

What is William Meriwether's specialty?

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

Is William Meriwether enrolled in Medicare?

No. William Meriwether has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Is William Meriwether affiliated with any hospitals?

According to CMS data, William Meriwether is affiliated with Tampa General Hospital and Adventhealth Tampa.

When was this NPI record last updated?

The NPPES record for William Meriwether was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.