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TERESA MARIE WILLIAMS M.D.
NPI 1821069501
Internal Medicine in Springfield, TN

Active since January 30, 2006PECOS EnrolledAccepts Medicare Assignment
332 SHOPS AVE., SPRINGFIELD, TN 37172(615) 384-4050(615) 384-7493 Get Directions Write a Review

NPPES record last updated: January 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Teresa Marie Williams M.d. NPPES

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

TERESA MARIE WILLIAMS M.D. (NPI 1821069501) is an individual internal medicine provider in Springfield, Tennessee, licensed in Tennessee (MD39057) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Tristar Northcrest Medical Center, and is a graduate of University Of Louisville School Of Medicine (2001).

NPPES Registry Identity

NPI1821069501
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTERESA MARIE WILLIAMSCredential: M.D.
Location Address332 SHOPS AVE.Springfield, TN 37172-3962
Mailing Address332 Shops Ave.Springfield, TN 37172-3962 · (615) 384-4050 · Fax (615) 384-7493
Phone(615) 384-4050
Fax(615) 384-7493
Sole ProprietorYes
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2001
Enumeration DateJanuary 30, 2006
Last NPPES UpdateJanuary 2, 2026
NPPES CertifiedJanuary 2, 2026
✔ NPI 1821069501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TN · MD39057
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.
332 SHOPS AVE., Springfield, TN 37172
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Other Identifiers 1

Other4154493TN · Bluecross Blueshield Tennessee

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Oscar Insurance Company, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Teresa Marie Williams 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 ID42270282
PECOS Enrollment IDI20041013000165
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.

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.
522 services176 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.
151 services121 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.
124 services84 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
111 services105 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
99 services99 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
34 services19 patients

Hospital Affiliations CMS Care Compare

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

Tristar Northcrest Medical Center

Acute Care Hospitals · Springfield, TN
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number440065
Location100 Northcrest DriveSpringfield, TN 37172 · Robertson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37172 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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 4

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers43 claims122 services$6.17 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers27 claims31 services$1.05 avg. paid by Medicare
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
2 suppliers11 claims1,170 services$0.10 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
3 suppliers11 claims11 services$23.69 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Teresa Williams's NPI number?

The NPI number for Teresa Williams is 1821069501. It was assigned to this individual provider in the NPPES registry on January 30, 2006.

Where is Teresa Williams located?

Teresa Williams practices at 332 Shops Ave., Springfield, TN 37172. The listed phone number is (615) 384-4050.

What is Teresa Williams's specialty?

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

Is Teresa Williams enrolled in Medicare?

Yes. Teresa Williams 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.

What insurance does Teresa Williams accept?

Health plans from BlueCross BlueShield of Tennessee, Oscar Insurance Company and UnitedHealthcare list Teresa Williams 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 Teresa Williams affiliated with any hospitals?

According to CMS data, Teresa Williams is affiliated with Tristar Northcrest Medical Center.

When was this NPI record last updated?

The NPPES record for Teresa Williams was last updated on January 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.