DR. DAVID HUMPHREY DRENNING (M.D.) – Interventional Cardiology Physician, NPI 1437129152

DR. DAVID HUMPHREY DRENNING (M.D.) is a healthcare provider. based in Huntsville, Alabama. specializing in INTERVENTIONAL CARDIOLOGY. They hold the professional credentials M.D.. They hold a License No. 18148 (AL). The NPI Number for DR. DAVID HUMPHREY DRENNING (M.D.) is 1437129152

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
DR. DAVID HUMPHREY DRENNING (M.D.)
NPI
1437129152
Phone
(256) 539-4080
Address
930 FRANKLIN ST SE
Enumeration Date
25 January 2006
Last Update Date
8 May 2018

Doctor Profile

Medical School Name
UNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Secondary Phone
2562652372
Graduation Year
1986 (40 years ago)
PAC ID
9032159751
Group Practice PAC ID
1951694678
Professional Enrollment ID
I20090825000168
Address ID
AL358014421HU101XXSWXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

122 INTERVENTIONAL CARDIOLOGY in AL

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Provider Addresses for DR. DAVID HUMPHREY DRENNING (M.D.)

  • The Heart Center, 930, Franklin Street Southeast, Medical District, Longwood, Huntsville, Madison County, Alabama, 35801, United States

    HUNTSVILLE, AL 358014312

    Phone: (256) 539-4080

    Fax: (256) 539-4099

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 171 Open Payments records for all available years, with a total value of $4,080.

Total Amount is formed as General ($4,080) + Research ($0) + Ownership ($0) = $4,080.

Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($620).

Total Amount

$4,080

General + Research + Ownership

Payments

171

Total payment records

General Amount

$4,080

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-23

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2026-01-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20090825000168IInterventional CardiologyALTBD
I20260115002444ICardiovascular Disease (Cardiology)NMTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only729575$0
99214Established patient office or other outpatient visit, 30-39 minutes492386$0
93306Ultrasound of heart with color-depicted blood flow, rate, direction and valve function197194$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes12967$0
99204New patient office or other outpatient visit, 45-59 minutes118118$0
View full utilization report →

Insurance plans in this area (ZIP 35801)

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Provider's Procedures

DR. DAVID HUMPHREY DRENNING (M.D.) performs procedures in INTERVENTIONAL CARDIOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERVENTIONAL CARDIOLOGYAL92928Catheter insertion of stents in major coronary artery or branch, accessed through the skin3634
INTERVENTIONAL CARDIOLOGYAL93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart114114

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1951694678View full group profile

Reviews

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Frequently asked questions

What federal number belongs to DR. DAVID HUMPHREY DRENNING (M.D.)?
The federal identifier for DR. DAVID HUMPHREY DRENNING (M.D.) is NPI 1437129152.
Is DR. DAVID HUMPHREY DRENNING (M.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What does DR. DAVID HUMPHREY DRENNING (M.D.) treat or focus on?
Patients typically see DR. DAVID HUMPHREY DRENNING (M.D.) under the specialty Interventional Cardiology Physician. Clinical services aligned with this taxonomy classification.
What location shows for DR. DAVID HUMPHREY DRENNING (M.D.)?
We surface Huntsville, Alabama for DR. DAVID HUMPHREY DRENNING (M.D.) based on available NPPES addresses.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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