DR. ANTHONY W SHALLIN M.D.
NPI 1891734968
Internal Medicine in Georgetown, TX

Q: What is Anthony Shallin's NPI number?

The NPI number for Anthony Shallin is 1891734968. It was assigned to this individual provider in the NPPES registry on June 5, 2006. The provider is also known as Dr. Tony Shallin M.D..

Q: What is Anthony Shallin's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Anthony Shallin was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 June 05, 2006PECOS EnrolledAccepts Medicare Assignment

26.25/100

CMS Quality Rating

3613 WILLIAMS DR, STE 404, GEORGETOWN, TX 78628(512) 930-4275(512) 930-4093 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Anthony W Shallin M.d. NPPES

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

DR. ANTHONY W SHALLIN M.D. (NPI 1891734968) is an individual internal medicine provider in Georgetown, Texas, licensed in Texas (J2323) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Central Texas, and is a graduate of Baylor College Of Medicine (1991).

NPPES Registry Identity

NPI1891734968

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. ANTHONY W SHALLINCredential: M.D.

Location Address3613 WILLIAMS DR, STE 404Georgetown, TX 78628-1377

Mailing Address3613 Williams Dr, Ste 404Georgetown, TX 78628-1377 · (512) 930-4275 · Fax (512) 930-4093

Phone(512) 930-4275

Fax(512) 930-4093

Sole ProprietorNo

Medical School CMSBaylor College Of MedicineGraduated 1991

Enumeration DateJune 5, 2006

Last NPPES UpdateJuly 9, 2007

✔ NPI 1891734968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · J2323

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.

3613 WILLIAMS DR, Georgetown, TX 78628

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Other Names 1

Professional Name (2)Dr. Tony Shallin M.d.

Other Identifiers 2

Medicare ID-Type Unspecified00435YTX · Medicare #

Medicare UPINF80299TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Dr. Anthony W Shallin 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 ID5294780367

PECOS Enrollment IDI20050324000875

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 24

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 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.

626 services321 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.

404 services404 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.

399 services295 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.

391 services391 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

293 services77 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

281 services63 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.

162 services160 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.

157 services156 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

110 services71 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.

85 services66 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

73 services62 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

66 services55 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

43 services42 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

33 services32 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

33 services28 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

28 services27 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician 93040

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. It uses 1 to 3 leads (sensors) placed on your skin. A physician reviews the results to assess heart rate, rhythm, and detect any abnormalities.

27 services26 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

27 services14 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

23 services23 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.

19 services16 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.

17 services14 patients

Administration of vaccine 90471

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

12 services12 patients

Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older) 90715

The Diphtheria, Tetanus, and Acellular Pertussis vaccine, also known as Tdap, is an immunization given to protect against three serious diseases. It's recommended for those aged 7 or older. The vaccine stimulates your body to build defenses against these infections, promoting overall health.

12 services12 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Adventhealth Central Texas

Acute Care Hospitals · Killeen, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450152

Location2201 S Clear Creek RoadKilleen, TX 76542 · Bell County

Emergency services Birthing friendly

St David's Medical Center

Acute Care Hospitals · Austin, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450431

Location919 E 32nd StAustin, TX 78705 · Travis County

Emergency services Birthing friendly

Round Rock Medical Center

Acute Care Hospitals · Round Rock, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450718

Location2400 Round Rock AveRound Rock, TX 78681 · Williamson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78628 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

26.25/100

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

Individually scored

Quality

Improvement Activities

Cost

87.52

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

13 suppliers52 claims107 services$6.04 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

8 suppliers20 claims21 services$1.15 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

5 suppliers13 claims13 services$45.45 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 suppliers25 claims25 services$63.91 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 16

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

GEORGETOWN PHYSICAL THERAPY, LLC

Clinic/Center (Physical Therapy)

3613 WILLIAMS DR, SUITE 1004
GEORGETOWN, TX 78628

Williamson County (512) 966-0150

DR. JUSTIN DAVID AAKER MD

Ophthalmology

3613 WILLIAMS DR, SUITE 703
GEORGETOWN, TX 78628

Williamson County (512) 686-1224

RUSSELL BOYD

Counselor (Professional)

3613 WILLIAMS DR, SUITE 703
GEORGETOWN, TX 78628

Williamson County (512) 632-4731

CHINESE ACUPUNCTURE CLINIC, LLC

Acupuncturist

3613 WILLIAMS DR, SUITE 303
GEORGETOWN, TX 78628

Williamson County (512) 864-1441

REVEAL EYE CARE & SURGERY, PLLC

Ophthalmology

3613 WILLIAMS DR, SUITE 703
GEORGETOWN, TX 78628

Williamson County (512) 686-1224

LIFE CARE PSYCHOTHERAPY, PLLC

Counselor (Professional)

3613 WILLIAMS DR, 703
GEORGETOWN, TX 78628

Williamson County (512) 632-4731

REGISTERED SLEEP ANALYSIS, LLC

Specialist/Technologist, Other (Electroneurodiagnostic)

3613 WILLIAMS DR, SUITE 1006
GEORGETOWN, TX 78628

Williamson County (512) 686-6181

DR. DHARSHINI WALLOOPPILLAI M.D.

Internal Medicine

3613 WILLIAMS DR, STE 404
GEORGETOWN, TX 78628

Williamson County (512) 930-4275

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 Anthony Shallin's NPI number?

The NPI number for Anthony Shallin is 1891734968. It was assigned to this individual provider in the NPPES registry on June 5, 2006. The provider is also known as Dr. Tony Shallin M.D..

Where is Anthony Shallin located?

Anthony Shallin practices at 3613 Williams Dr Ste 404, Georgetown, TX 78628. The listed phone number is (512) 930-4275.

What is Anthony Shallin's specialty?

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

Is Anthony Shallin enrolled in Medicare?

Yes. Anthony Shallin 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 Anthony Shallin accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Anthony Shallin 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 Anthony Shallin affiliated with any hospitals?

According to CMS data, Anthony Shallin is affiliated with Adventhealth Central Texas, St David's Medical Center and Round Rock Medical Center.

When was this NPI record last updated?

The NPPES record for Anthony Shallin was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.