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

FREDERICK A FIEDLER M.D.
NPI 1598733545
Internal Medicine in Memphis, TN

Active since March 08, 2006PECOS EnrolledAccepts Medicare Assignment
6263 POPLAR AVE, MEMPHIS, TN 38119(901) 761-6157 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Frederick A Fiedler M.d. NPPES

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

FREDERICK A FIEDLER M.D. (NPI 1598733545) is an individual internal medicine provider in Memphis, Tennessee, licensed in Tennessee (MD16945) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1985).

NPPES Registry Identity

NPI1598733545
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameFREDERICK A FIEDLERCredential: M.D.
Location Address6263 POPLAR AVEMemphis, TN 38119-4736
Mailing AddressPo Box 383260Germantown, TN 38183-3260 · (901) 767-6175
Phone(901) 761-6157
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 1985
Enumeration DateMarch 8, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1598733545 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 · MD16945
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.
6263 POPLAR AVE, Memphis, TN 38119
Open in Google Maps ↗

Other Identifiers 2

Other3144525TN · Bcbst
Medicaid3845207TN

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

Frederick A Fiedler 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 ID9638140304
PECOS Enrollment IDI20040804001886
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 3

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.

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.
1,284 services304 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.
129 services124 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.
66 services43 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38119 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.

Other Providers at the Same Location NPPES 20

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

DR. ALAGIRI SWAMY JR. M.D.
Internal Medicine (Hospice and Palliative Medicine)
6263 POPLAR AVE, STE 1052
MEMPHIS, TN 38119
Shelby County (901) 761-6157
MOHAMMAD I ABUTINEH M.D.
Internal Medicine (Geriatric Medicine)
6263 POPLAR AVE, SUITE 1052
MEMPHIS, TN 38119
Shelby County (901) 351-2120
DR. WILEY T ROBINSON M.D.
Internal Medicine
6263 POPLAR AVE, SUITE 1052
MEMPHIS, TN 38119
Shelby County (901) 752-7139
E E HINES III MD, PC
Family Medicine (Geriatric Medicine)
6263 POPLAR AVE, STE 1052
MEMPHIS, TN 38119
Shelby County (901) 761-6157
MARTIN JEFFREY WEISS MD
Internal Medicine
6263 POPLAR AVE, SUITE 1052
MEMPHIS, TN 38119
Shelby County (901) 761-6157
WILEY T ROBINSON MD
Internal Medicine
6263 POPLAR AVE, SUITE 1052
MEMPHIS, TN 38119
Shelby County (901) 761-6157
GERIATRIC PARTNERS, LLC
Registered Nurse (General Practice)
6263 POPLAR AVE, SUITE 1052
MEMPHIS, TN 38119
Shelby County (901) 761-6157
MRS. NINA INGRAM
Counselor (Professional)
6263 POPLAR AVE, SUITE 932
MEMPHIS, TN 38119
Shelby County (901) 461-4535

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 Frederick Fiedler's NPI number?

The NPI number for Frederick Fiedler is 1598733545. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Frederick Fiedler located?

Frederick Fiedler practices at 6263 Poplar Ave, Memphis, TN 38119. The listed phone number is (901) 761-6157.

What is Frederick Fiedler's specialty?

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

Is Frederick Fiedler enrolled in Medicare?

Yes. Frederick Fiedler 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.

When was this NPI record last updated?

The NPPES record for Frederick Fiedler was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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.