DR. DOUGLAS RENNERT (M.D.) – Pulmonary Disease Physician, NPI 1992796502

DR. DOUGLAS RENNERT (M.D.) is a healthcare provider. based in Leesburg, Virginia. specializing in INTERNAL MEDICINE, PULMONARY DISEASE, SLEEP MEDICINE, PULMONARY DISEASE, CRITICAL CARE (INTENSIVISTS). They hold the professional credentials M.D.. They hold a License No. 0101043761 (VA). The NPI Number for DR. DOUGLAS RENNERT (M.D.) is 1992796502

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
DR. DOUGLAS RENNERT (M.D.)
NPI
1992796502
Phone
(703) 858-9608
Address
19455 DEERFIELD AVE
Enumeration Date
2 November 2005
Last Update Date
10 July 2023

Doctor Profile

Medical School Name
COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Secondary Phone
7038589693
Graduation Year
1984 (42 years ago)
PAC ID
6800868787
Group Practice PAC ID
3173518438
Professional Enrollment ID
I20110111000599
Address ID
VA201768102LE19455AVEX303
Telehealth
Yes

Contacts

Secure Messaging
drennert@pulmcritcareassoc.caretrackerdirect.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience74
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

4,934 INTERNAL MEDICINE in VA

Provider Addresses for DR. DOUGLAS RENNERT (M.D.)

  • 19455 DEERFIELD AVE

    STE 206

    LEESBURG, VA 201768100

    Phone: (703) 858-9608

    Fax: (703) 858-9618

    Type: Mailing

  • 1860 Town Center Dr Ste 270

    Reston, VA 201905899

    Phone: (703) 318-8157

    Fax: (703) 318-8157

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 182 Open Payments records for all available years, with a total value of $4,609.

Total Amount is formed as General ($4,609) + Research ($0) + Ownership ($0) = $4,609.

Last reported payment date: 2024-12-16 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($1,159).

Total Amount

$4,609

General + Research + Ownership

Payments

182

Total payment records

General Amount

$4,609

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-16

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: 2014-01-15

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
I20110111000599IPulmonary DiseaseVATBD
I20140115000024IInternal MedicineDCTBD

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
99214Established patient office or other outpatient visit, 30-39 minutes1,112512$0
94060Test to measure expiratory airflow and volume changes before and after medication administration440348$0
94729Test to examine how well the lungs exchange gases434332$0
94010Test to measure expiratory airflow and volume354268$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes354156$0
View full utilization report →

Insurance plans in this area (ZIP 20176)

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Provider's Procedures

DR. DOUGLAS RENNERT (M.D.) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PULMONARY DISEASEVA36620Insertion of arterial catheter for blood sampling or infusion, accessed through the skin1212
PULMONARY DISEASEVA94060Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration489246

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: 3173518438View full group profile
NameSpecialtyState
Physician AssistantTX
Pulmonary Disease, Critical Care (Intensivists), Sleep MedicineVA
Pulmonary DiseaseVA
Critical Care (Intensivists), Internal Medicine, Sleep Medicine, Pulmonary Disease, Critical Care (Intensivists)VA

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Frequently asked questions

How is DR. DOUGLAS RENNERT (M.D.) identified in CMS data?
CMS-hosted NPPES data lists DR. DOUGLAS RENNERT (M.D.) with NPI 1992796502.
Can I rely on DR. DOUGLAS RENNERT (M.D.) being an active provider?
As of the registry snapshot, DR. DOUGLAS RENNERT (M.D.) is marked active.
What taxonomy line describes DR. DOUGLAS RENNERT (M.D.)?
For research purposes, treat DR. DOUGLAS RENNERT (M.D.) as Pulmonary Disease Physician in this dataset. Clinical services aligned with this taxonomy classification.
Does DR. DOUGLAS RENNERT (M.D.) list a practice location?
Patients near Leesburg, Virginia may find DR. DOUGLAS RENNERT (M.D.) in results; validate coverage separately.
How many locations tie to this NPI?
3 practice locations appear in the available data.

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