DAVID MUREL GRAHAM ACNP-BC
NPI 1336485150
Nurse Practitioner - Acute Care in Chattanooga, TN

Q: What is David Graham's NPI number?

The NPI number for David Graham is 1336485150. It was assigned to this individual provider in the NPPES registry on December 26, 2012.

Q: What is David Graham's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for David Graham was last updated on December 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 December 26, 2012PECOS EnrolledAccepts Medicare Assignment

975 E 3RD ST, CHATTANOOGA, TN 37403(423) 778-7000 Get Directions Write a Review

NPPES record last updated: December 26, 2012. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About David Murel Graham Acnp-bc NPPES

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

DAVID MUREL GRAHAM ACNP-BC (NPI 1336485150) is an individual acute care provider in Chattanooga, Tennessee, licensed in Tennessee (17128) and active in the NPI registry since December 2012. He is enrolled in Medicare PECOS, is affiliated with Parkridge Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1336485150

Entity TypeIndividualMale

Primary Taxonomy363LA2100X

Provider Legal NameDAVID MUREL GRAHAMCredential: ACNP-BC

Location Address975 E 3RD STChattanooga, TN 37403-2147

Mailing Address975 E 3rd StChattanooga, TN 37403-2147 · (423) 778-7000

Phone(423) 778-7000

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateDecember 26, 2012

✔ NPI 1336485150 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in TN · 17128

975 E 3RD ST, Chattanooga, TN 37403

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

David Murel Graham Acnp-bc 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 ID2062667405

PECOS Enrollment IDI20130308000482

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.

Medicare Billing Reassignments

Medicare enrollment records show David Graham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sibaji Shome MD PLLC

7.8 mi

Pulmonary Disease

7155 LEE HWY, SUITE 400
Chattanooga, TN 37421

Reassigned Medicare billing, Tennessee enrollment

NPI 1962722496 (423) 499-2637

Intensive Care Consortium Inc

696 mi

Specialist

20900 BISCAYNE BLVD
Aventura, FL 33180

Reassigned Medicare billing, Tennessee enrollment
65 clinicians in this Medicare group

NPI 1629019062 (561) 997-0821

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

112 services66 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.

51 services49 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.

17 services17 patients

Hospital Affiliations CMS Care Compare

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

Parkridge Medical Center

Acute Care Hospitals · Chattanooga, TN

4/5 CMS rating

OwnershipProprietary

CMS Certification Number440156

Location2333 Mccallie AveChattanooga, TN 37404 · Hamilton County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37403 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

$81.53 typical visit price

range $52.64 – $160.89

Typical copayment $20.38 (range $13.16 – $40.22)

Most-billed visit code 99203

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.

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.

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

9 suppliers98 claims98 services$32.70 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

9 suppliers59 claims59 services$84.02 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

9 suppliers56 claims144 services$32.89 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

9 suppliers75 claims369 services$16.10 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

9 suppliers124 claims598 services$12.54 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

14 suppliers158 claims158 services$47.21 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 20

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

MEGAN A SPEARS CRNA

Nurse Anesthetist, Certified Registered

975 E 3RD ST
CHATTANOOGA, TN 37403

Hamilton County (423) 602-8400

TENNESSEE CANCER SPECIALISTS, PLLC

Internal Medicine (Hematology & Oncology)

975 E 3RD ST, ERLINGER MEDICAL CENTER
CHATTANOOGA, TN 37403

Hamilton County (423) 778-7977

DAVID SHVED D.O.

Hospitalist

975 E 3RD ST
CHATTANOOGA, TN 37403

Hamilton County (423) 778-5179

JASON DEDEKER MD

Psychiatry & Neurology (Psychiatry)

975 E 3RD ST
CHATTANOOGA, TN 37403

Hamilton County (423) 778-7000

WILLIAM MICHAEL BRITT JR.

Internal Medicine

975 E 3RD ST
CHATTANOOGA, TN 37403

Hamilton County (423) 778-3894

MR. EDWARD BRIAN HALLOCK CRNA

Nurse Anesthetist, Certified Registered

975 E 3RD ST
CHATTANOOGA, TN 37403

Hamilton County (423) 602-8400

MRS. DEBORAH K WESTBROOK L.C.S.W.

Social Worker (Clinical)

975 E 3RD ST
CHATTANOOGA, TN 37403

Hamilton County (423) 778-7654

BRETT ESCARZA M.D.

Anesthesiology

975 E 3RD ST
CHATTANOOGA, TN 37403

Hamilton County (423) 602-8400

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 David Graham's NPI number?

The NPI number for David Graham is 1336485150. It was assigned to this individual provider in the NPPES registry on December 26, 2012.

Where is David Graham located?

David Graham practices at 975 E 3rd St, Chattanooga, TN 37403. The listed phone number is (423) 778-7000.

What is David Graham's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is David Graham enrolled in Medicare?

Yes. David Graham 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.

Which organizations bill Medicare for David Graham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Graham reassigns Medicare benefits to 2 organizations: Sibaji Shome MD PLLC (Chattanooga, TN) and Intensive Care Consortium Inc (Aventura, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Graham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Graham accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama and Ambetter of North Carolina and 2 other insurers list David Graham 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 David Graham affiliated with any hospitals?

According to CMS data, David Graham is affiliated with Parkridge Medical Center.

When was this NPI record last updated?

The NPPES record for David Graham was last updated on December 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.