MARK A CASTELLAW MD
NPI 1114928793
Internal Medicine in Germantown, TN

Active since August 09, 2005PECOS EnrolledAccepts Medicare Assignment
76.51/100
CMS Quality Rating
8040 WOLF RIVER BOULEVARD, SUITE 200, GERMANTOWN, TN 38138(901) 726-0200(901) 278-3050 Get Directions Write a Review

NPPES record last updated: October 25, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark A Castellaw Md NPPES

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

MARK A CASTELLAW MD (NPI 1114928793) is an individual internal medicine provider in Germantown, Tennessee, licensed in Tennessee (14060) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Baptist Memorial Hospital Desoto, and is a graduate of Other (1981).

NPPES Registry Identity

NPI1114928793
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK A CASTELLAWCredential: MD
Location Address8040 WOLF RIVER BOULEVARD, SUITE 200Germantown, TN 38138-1775
Mailing AddressPo Box 405827Atlanta, GA 30384-5827
Fax(901) 278-3050
Sole ProprietorNo
Medical School CMSOtherGraduated 1981
Enumeration DateAugust 9, 2005
Last NPPES UpdateOctober 25, 2016
NPI 1114928793 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 · 14060
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.
8040 WOLF RIVER BOULEVARD, Germantown, TN 38138

Other Identifiers 2

Medicare UPINB04474TN
Medicare UPIN319551TN

Accepted 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

Mark A Castellaw 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 ID6709968704
PECOS Enrollment IDI20100329000270
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 66

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
2,140 services779 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.
1,877 services759 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
1,383 services711 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
1,326 services728 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.
1,124 services691 patients
Blood test, thyroid stimulating hormone (tsh) 84443
A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.
984 services660 patients

Hospital Affiliations CMS Care Compare 5

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

Baptist Memorial Hospital Desoto

Acute Care Hospitals · Southaven, MS
1/5 CMS rating
OwnershipProprietary
CMS Certification Number250141
Location7601 Southcrest ParkwaySouthaven, MS 38671 · De Soto County
Emergency services Birthing friendly

Baptist Memorial Hospital

Acute Care Hospitals · Memphis, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440048
Location6019 Walnut Grove RoadMemphis, TN 38120 · Shelby County
Emergency services Birthing friendly

Methodist Hospitals Of Memphis

Acute Care Hospitals · Memphis, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440049
Location1265 Union Ave Suite 700Memphis, TN 38104 · Shelby County
Emergency services Birthing friendly

Baptist Memorial Hospital Tipton

Acute Care Hospitals · Covington, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440131
Location1995 Highway 51 SCovington, TN 38019 · Tipton County
Emergency services Birthing friendly

St Francis Hospital

Acute Care Hospitals · Memphis, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440183
Location5959 Park AveMemphis, TN 38119 · Shelby County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38138 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.

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.

76.51/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.53
Promoting Interoperability82
Improvement Activities40
Cost66.19

Referred Medical Equipment & Supplies CMS DME claims 14

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
39 suppliers139 claims390 services$6.45 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
1 supplier14 claims14 services$2.95 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
23 suppliers67 claims111 services$1.08 avg. paid by Medicare
Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394
DME-Orthotic Devices · category DF010N
2 suppliers12 claims192 services$2.08 avg. paid by Medicare
Ostomy skin barrier, pectin-based, paste, per ounce A4406
DME-Orthotic Devices · category DF010N
3 suppliers11 claims76 services$4.65 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers17 claims17 services$29.41 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 8

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

Internal Medicine
8040 WOLF RIVER BOULEVARD, SUITE 200
GERMANTOWN, TN 38138
Internal Medicine
8040 WOLF RIVER BOULEVARD, SUITE 200
GERMANTOWN, TN 38138
Internal Medicine
8040 WOLF RIVER BOULEVARD, SUITE 200
GERMANTOWN, TN 38138
Internal Medicine
8040 WOLF RIVER BOULEVARD, SUITE 200
GERMANTOWN, TN 38138
Nurse Practitioner (Family)
8040 WOLF RIVER BOULEVARD, SUITE 200
GERMANTOWN, TN 38138
Internal Medicine
8040 WOLF RIVER BOULEVARD, SUITE 200
GERMANTOWN, TN 38138
Internal Medicine
8040 WOLF RIVER BOULEVARD, SUITE 200
GERMANTOWN, TN 38138
Nurse Practitioner (Primary Care)
8040 WOLF RIVER BOULEVARD, SUITE 200
GERMANTOWN, TN 38138

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 Mark Castellaw's NPI number?

The NPI number for Mark Castellaw is 1114928793. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Mark Castellaw located?

Mark Castellaw practices at 8040 Wolf River Boulevard Suite 200, Germantown, TN 38138. The listed phone number is (901) 726-0200.

What is Mark Castellaw's specialty?

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

Is Mark Castellaw enrolled in Medicare?

Yes. Mark Castellaw 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 Mark Castellaw accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 8 other insurers list Mark Castellaw 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 Mark Castellaw affiliated with any hospitals?

According to CMS data, Mark Castellaw is affiliated with Baptist Memorial Hospital Desoto, Baptist Memorial Hospital, Methodist Hospitals Of Memphis, Baptist Memorial Hospital Tipton and St Francis Hospital.

When was this NPI record last updated?

The NPPES record for Mark Castellaw was last updated on October 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.