DR. DAVID P TIETJEN MD
NPI 1508838384
Internal Medicine - Nephrology in Huntsville, AL

Active since February 06, 2006PECOS Enrolled
2780 BOB WALLACE AVENUE, SUITE E, HUNTSVILLE, AL 35805(256) 533-4626(256) 533-4710 Get Directions Write a Review

NPPES record last updated: March 19, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. David P Tietjen Md NPPES

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

DR. DAVID P TIETJEN MD (NPI 1508838384) is an individual nephrology provider in Huntsville, Alabama, licensed in Alabama (00019822) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508838384
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. DAVID P TIETJENCredential: MD
Location Address2780 BOB WALLACE AVENUE, SUITE EHuntsville, AL 35805-4104
Mailing Address2780 Bob Wallace AvenueHuntsville, AL 35805-4104 · (256) 534-4568
Fax(256) 533-4710
Sole ProprietorNo
Enumeration DateFebruary 6, 2006
Last NPPES UpdateMarch 19, 2012
✔ NPI 1508838384 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 AL · 00019822
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.
2780 BOB WALLACE AVENUE, Huntsville, AL 35805

Other Identifiers 2

Medicare UPINE27678
Medicare ID-Type Unspecified000033711AL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. David P Tietjen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show David Tietjen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nephrology
2780 BOB WALLACE AVE SW, SUITE E
Huntsville, AL 35805
  • Reassigned Medicare billing, Alabama and Tennessee enrollments
  • 16 clinicians in this Medicare group

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 4

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.

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.
274 services45 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.
75 services43 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.
70 services51 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.
21 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35805 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
$122.31 typical visit price
range $52.65 – $161.63
Typical copayment $30.57 (range $13.16 – $40.40)
Most-billed visit code 99204
Established Patient
$93.72 typical visit price
range $16.56 – $131.65
Typical copayment $23.43 (range $4.14 – $32.91)
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 5

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

Internal Medicine (Nephrology)
2780 BOB WALLACE AVENUE
HUNTSVILLE, AL 35805
Internal Medicine (Nephrology)
2780 BOB WALLACE AVENUE
HUNTSVILLE, AL 35805
Internal Medicine (Nephrology)
2780 BOB WALLACE AVENUE, SUITE E
HUNTSVILLE, AL 35805
Internal Medicine (Nephrology)
2780 BOB WALLACE AVENUE, SUITE E
HUNTSVILLE, AL 35805
Internal Medicine (Nephrology)
2780 BOB WALLACE AVENUE, SUITE E
HUNTSVILLE, AL 35805

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 Tietjen's NPI number?

The NPI number for David Tietjen is 1508838384. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is David Tietjen located?

David Tietjen practices at 2780 Bob Wallace Avenue Suite E, Huntsville, AL 35805. The listed phone number is (256) 533-4626.

What is David Tietjen's specialty?

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

Is David Tietjen enrolled in Medicare?

Yes. David Tietjen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Tietjen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Tietjen reassigns Medicare benefits to Nephrology Consultants LLC (Huntsville, AL). The 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 Tietjen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Tietjen was last updated on March 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.