MRS. ANA ISABEL STARK MD
NPI 1811188758
Internal Medicine - Nephrology in Festus, MO

Q: What is Ana Stark's NPI number?

The NPI number for Ana Stark is 1811188758. It was assigned to this individual provider in the NPPES registry on August 6, 2007. The provider is also known as Mrs. Ana Isabel Vigil MD.

Q: What is Ana Stark's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Ana Stark was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since August 06, 2007PECOS EnrolledAccepts Medicare Assignment

1400 US HIGHWAY 61 STE 240A, FESTUS, MO 63028(636) 937-3337(636) 931-7671 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 3, 2026, Jul 7, 2025, Jun 10, 2025 and 2 more (5 updates tracked since 2018).

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About Mrs. Ana Isabel Stark Md NPPES

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

MRS. ANA ISABEL STARK MD (NPI 1811188758) is an individual nephrology provider in Festus, Missouri, licensed in Missouri (2025034345) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Lmh, and maintains a secondary practice location in Bonne Terre.

NPPES Registry Identity

NPI1811188758

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameMRS. ANA ISABEL STARKCredential: MD

Location Address1400 US HIGHWAY 61 STE 240AFestus, MO 63028-4141

Mailing Address1265 Graham Rd Ste 1Florissant, MO 63031-8018 · (314) 741-1600 · Fax (314) 741-1677

Phone(636) 937-3337

Fax(636) 931-7671

Sole ProprietorNo

Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 2017

Enumeration DateAugust 6, 2007

Last NPPES UpdateFebruary 3, 20265 updates tracked since enumeration

NPPES CertifiedFebruary 3, 2026

✔ NPI 1811188758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in MO · 2025034345

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1400 US HIGHWAY 61 STE 240A, Festus, MO 63028

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Other Names 1

Former Name (1)Mrs. Ana Isabel Vigil Md

Secondary Practice Location 1

Location 155 Nesbit Dr Ste BBonne Terre, MO 63628-1353 · Phone (636) 937-3337 · Fax (636) 931-7671

Other Identifiers 1

Medicaid30005021370001KS

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter Health 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

Mrs. Ana Isabel Stark 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 ID7416133053

PECOS Enrollment IDI20230607002358, I20250923002852

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 20

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.

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

2,992 services172 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

1,388 services178 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

1,377 services172 patients

Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units Q5106

Epoetin alfa-epbx (Retacrit) is a biosimilar injection used for non-ESRD (End-Stage Renal Disease). It helps your body make more red blood cells, increasing your energy and well-being. It's usually given under the skin or into a vein by a healthcare professional.

580 services12 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.

426 services287 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

213 services96 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

199 services93 patients

Dialysis services, 1 physician visit per month (20 years or older) 90962

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys canâ€™t do their job. A physician visit once a month ensures your treatment is working effectively and adjusts it if necessary. This service is available for individuals aged 20 years and older.

159 services29 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

138 services18 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.

101 services76 patients

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.

81 services72 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

80 services12 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

66 services37 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.

61 services59 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

34 services22 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.

34 services34 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.

26 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

20 services20 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

19 services19 patients

Dialysis procedure including 1 evaluation 90945

Dialysis is a treatment that filters and purifies the blood when your kidneys can't do their job. The procedure involves circulating your blood through a machine that removes waste products. An evaluation is done beforehand to assess your health and determine the best approach for your treatment.

17 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Lmh

Acute Care Hospitals · Lawrence, KS

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number170137

Location325 Maine StreetLawrence, KS 66044 · Douglas County

Emergency services Birthing friendly

Centura St. Catherine-Dodge City

Acute Care Hospitals · Dodge City, KS

2/5 CMS rating

OwnershipProprietary

CMS Certification Number170175

Location3001 Avenue ADodge City, KS 67801 · Ford County

Emergency services Birthing friendly

Mercy Hospital Jefferson

Acute Care Hospitals · Festus, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260023

Location1400 Us Highway 61Festus, MO 63028 · Jefferson County

Emergency services

Saint Lukes North Hospital

Acute Care Hospitals · Kansas City, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260062

Location5830 N W Barry RoadKansas City, MO 64154 · Platte County

Emergency services Birthing friendly

St Lukes Hospital Of Kansas City

Acute Care Hospitals · Kansas City, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260138

Location4401 Wornall RoadKansas City, MO 64111 · Jackson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63028 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

$128.28 typical visit price

range $55.65 – $169.38

Typical copayment $32.07 (range $13.91 – $42.34)

Most-billed visit code 99204

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

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.

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Other Providers at the Same Location NPPES 2

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

JENNIFER TERESA FRENCH A-GNP-C

Nurse Practitioner

1400 US HIGHWAY 61 STE 240A
FESTUS, MO 63028

Jefferson County (636) 937-3337

DR. SARAH K SUNDET D.O., MBA

Internal Medicine (Nephrology)

1400 US HIGHWAY 61 STE 240A
FESTUS, MO 63028

Jefferson County (636) 937-3337

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 Ana Stark's NPI number?

The NPI number for Ana Stark is 1811188758. It was assigned to this individual provider in the NPPES registry on August 6, 2007. The provider is also known as Mrs. Ana Isabel Vigil MD.

Where is Ana Stark located?

Ana Stark practices at 1400 Us Highway 61 Ste 240A, Festus, MO 63028. The listed phone number is (636) 937-3337.

What is Ana Stark's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Ana Stark enrolled in Medicare?

Yes. Ana Stark 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 Ana Stark accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Ana Stark 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 Ana Stark affiliated with any hospitals?

According to CMS data, Ana Stark is affiliated with Lmh, Centura St. Catherine-Dodge City, Mercy Hospital Jefferson, Saint Lukes North Hospital and St Lukes Hospital Of Kansas City.

When was this NPI record last updated?

The NPPES record for Ana Stark was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.