DR. GUY CHADWICK ASHER JR. M.D.
NPI 1396731212
Internal Medicine - Nephrology in Fort Wayne, IN

Q: What is Guy Asher's NPI number?

The NPI number for Guy Asher is 1396731212. It was assigned to this individual provider in the NPPES registry on September 26, 2005.

Q: What is Guy Asher'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 Guy Asher was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 September 26, 2005PECOS EnrolledAccepts Medicare Assignment

7836 W JEFFERSON BLVD, SUITE 101, FORT WAYNE, IN 46804(260) 494-3484(260) 969-0188 Get Directions Write a Review

NPPES record last updated: April 28, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 27, 2022, Nov 12, 2020 (2 updates tracked since 2020).

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About Dr. Guy Chadwick Asher Jr. M.d. NPPES

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

DR. GUY CHADWICK ASHER JR. M.D. (NPI 1396731212) is an individual nephrology provider in Fort Wayne, Indiana, licensed in Indiana (01064470A) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Parkview Regional Medical Center, and is a graduate of Indiana University School Of Medicine (1997).

NPPES Registry Identity

NPI1396731212

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. GUY CHADWICK ASHER JR.Credential: M.D.

Location Address7836 W JEFFERSON BLVD, SUITE 101Fort Wayne, IN 46804-4165

Mailing Address120 W 22nd St Ste 200Oak Brook, IL 60523-1563 · (630) 575-5000

Phone(260) 494-3484

Fax(260) 969-0188

Sole ProprietorNo

Medical School CMSIndiana University School Of MedicineGraduated 1997

Enumeration DateSeptember 26, 2005

Last NPPES UpdateApril 28, 20252 updates tracked since enumeration

NPPES CertifiedApril 28, 2025

✔ NPI 1396731212 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in IN · 01064470A✔ Licensed in OH · 35.076178

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.

7836 W JEFFERSON BLVD, Fort Wayne, IN 46804

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Other Identifiers 1

Medicaid200894460IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, 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

Dr. Guy Chadwick Asher Jr. 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 ID1759469927

PECOS Enrollment IDI20080530000192

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 17

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.

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

273 services45 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.

236 services133 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.

164 services44 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.

146 services126 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.

141 services48 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.

95 services85 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.

93 services55 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.

89 services85 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

74 services46 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

54 services50 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.

44 services16 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

43 services32 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.

40 services15 patients

Kidney function blood test panel 80069

A kidney function blood test panel checks how well your kidneys are working. It measures levels of various substances in your blood, including proteins, electrolytes, and waste products. The results can help detect potential kidney issues early.

35 services19 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

29 services17 patients

Parathormone (parathyroid hormone) level 83970

The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.

24 services17 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

17 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Parkview Regional Medical Center

Acute Care Hospitals · Fort Wayne, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150021

Location11109 Parkview Plaza DriveFort Wayne, IN 46845 · Allen County

Emergency services Birthing friendly

Parkview Huntington Hospital

Acute Care Hospitals · Huntington, IN

OwnershipVoluntary non-profit - Private

CMS Certification Number150091

Location2001 Stults RdHuntington, IN 46750 · Huntington County

Emergency services Birthing friendly

Parkview Whitley Hospital

Acute Care Hospitals · Columbia City, IN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150101

Location1260 E Sr 205Columbia City, IN 46725 · Whitley County

Emergency services Birthing friendly

Kosciusko Community Hospital

Acute Care Hospitals · Warsaw, IN

2/5 CMS rating

OwnershipProprietary

CMS Certification Number150133

Location2101 E Dubois DrWarsaw, IN 46580 · Kosciusko County

Emergency services Birthing friendly

Parkview Wabash Hospital, Inc

Critical Access Hospitals · Wabash, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number151310

Location10 John Kissinger DriveWabash, IN 46992 · Wabash County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46804 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

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

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 7

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

Azathioprine, oral, 50 mg J7500