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DAVID HONGRONG GUAN M.D.
NPI 1891772208
Internal Medicine - Pulmonary Disease in Chattanooga, TN

Active since December 28, 2005PECOS Enrolled
1814 MCCALLIE AVE, CHATTANOOGA, TN 37404(423) 208-9030(800) 875-1815 Get Directions Write a Review

NPPES record last updated: June 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 7, 2023, Apr 21, 2022, Jan 21, 2019 and 1 more (4 updates tracked since 2019).

About David Hongrong Guan M.d. NPPES

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

DAVID HONGRONG GUAN M.D. (NPI 1891772208) is an individual pulmonary disease provider in Chattanooga, Tennessee, licensed in Tennessee (35362) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Physicians Regional Medical Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1891772208
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDAVID HONGRONG GUANCredential: M.D.
Location Address1814 MCCALLIE AVEChattanooga, TN 37404-3025
Mailing Address1814 Mccallie AveChattanooga, TN 37404-3025 · (423) 208-9030 · Fax (800) 875-1615
Phone(423) 208-9030
Fax(800) 875-1815
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateDecember 28, 2005
Last NPPES UpdateJune 7, 20234 updates tracked since enumeration
NPPES CertifiedJune 7, 2023
✔ NPI 1891772208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
Licenses✔ Licensed in TN · 35362✔ Licensed in NH · 22557✔ Licensed in WI · 3065
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 056561 (GA), 3065 (WI)
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 35362 (TN)
1814 MCCALLIE AVE, Chattanooga, TN 37404
Open in Google Maps ↗

Secondary Practice Locations 4

Location 1246 Pleasant St., Memorial Building, West, Ground FloorConcord, NH 03301-2548 · Phone (603) 224-9661 · Fax (603) 227-7528
Location 23327 Chamblee Dunwoody RdAtlanta, GA 30341-2816 · Phone (423) 208-9030 · Fax (800) 875-1815
Location 31702 W Madison AveAthens, TN 37303-4033 · Phone (423) 208-9030 · Fax (800) 875-1815
Location 41332 Market StDayton, TN 37321-1266 · Phone (423) 208-9030 · Fax (800) 875-1815

Other Identifiers 1

Medicaid1891772208TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee, Taro 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 (PECOS)

David Hongrong Guan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8426044454
PECOS Enrollment IDI20040423000638
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

3

Medicare enrollment records show David Guan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Center For Lung And Sleep Disorders
Same address
Sleep Disorder Diagnostic
1814 MCCALLIE AVE
Chattanooga, TN 37404
  • Reassigned Medicare billing, Tennessee enrollment
NPI 1083700454 (423) 208-9030
Southeastern Physician Services PC
90 mi
Hospitalist
990 OAK RIDGE TPKE
Oak Ridge, TN 37830
  • Reassigned Medicare billing, Tennessee enrollment
  • 1,085 clinicians in this Medicare group
NPI 1083835441 (865) 481-1000
Prohealth Medical Group Inc
565 mi
Internal Medicine
S69W15636 JANESVILLE RD
Muskego, WI 53150
  • Reassigned Medicare billing, Wisconsin enrollment
  • 528 clinicians in this Medicare group
NPI 1114068970 (262) 928-7000

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 9

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
90 services52 patients
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.
76 services48 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.
67 services50 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.
37 services28 patients
Aspiration of initial secretion of lung airway using an endoscope 31645
This procedure involves using a thin, flexible tube called an endoscope to collect initial secretions from your lung airway. This helps doctors diagnose and treat respiratory conditions. It's a safe, minimally invasive procedure.
29 services28 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
29 services29 patients

Hospital Affiliations CMS Care Compare

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

Physicians Regional Medical Center

Acute Care Hospitals · Powell, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440120
Location7565 Dannaher Way PowellPowell, TN 37849 · Knox County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37404 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.

Referred Medical Equipment & Supplies CMS DME claims 20

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
14 suppliers180 claims180 services$41.09 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
11 suppliers204 claims204 services$97.04 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
11 suppliers205 claims574 services$37.93 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
12 suppliers106 claims609 services$20.98 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
8 suppliers89 claims498 services$15.95 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
13 suppliers191 claims191 services$59.72 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

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

CENTER FOR LUNG AND SLEEP DISORDERS
Clinic/Center (Sleep Disorder Diagnostic)
1814 MCCALLIE AVE
CHATTANOOGA, TN 37404
Hamilton County (423) 208-9030

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 Guan's NPI number?

The NPI number for David Guan is 1891772208. It was assigned to this individual provider in the NPPES registry on December 28, 2005.

Where is David Guan located?

David Guan practices at 1814 Mccallie Ave, Chattanooga, TN 37404. The listed phone number is (423) 208-9030.

What is David Guan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is David Guan enrolled in Medicare?

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

Which organizations bill Medicare for David Guan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Guan reassigns Medicare benefits to 3 organizations: Center For Lung And Sleep Disorders (Chattanooga, TN), Southeastern Physician Services PC (Oak Ridge, TN) and Prohealth Medical Group Inc (Muskego, WI). 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 Guan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Guan accept?

Health plans from Anthem Blue Cross and Blue Shield, BlueCross BlueShield of Tennessee, Taro Health and UnitedHealthcare list David Guan 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 Guan affiliated with any hospitals?

According to CMS data, David Guan is affiliated with Physicians Regional Medical Center.

When was this NPI record last updated?

The NPPES record for David Guan was last updated on June 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.