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Edit this profileWhere to find John C. Williams, M.D.
- Austell location main office
1664 Mulkey Rd, Austell, GA 30106 - Roswell location
4500 Hospital Blvd Ste 310, Roswell, GA 30076 - Monroe location
309 Jackson St, Monroe, LA 71201
About Dr. Williams
John C. Williams, M.D. practices pulmonary disease in Austell, GA. John is a 2006 graduate of Louisiana State University School of Medicine in Shreveport. John is also listed as specializing in internal medicine and critical care medicine. According to Medicare claims data, John cared for 439 Medicare patients across 625 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1841467198.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (770) 422-1372
- Email not available
Practice Locations
1664 MULKEY RD
Austell, GA 30106
4500 Hospital Blvd Ste 310
Roswell, GA 30076
309 Jackson St
Monroe, LA 71201
Conditions Commonly Evaluated or Treated
Within Pulmonary Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Chronic conditions
Most searched conditions
Airway disorders
Blood vessel disorders
Critical care
Diagnostic findings
Environmental lung diseases
Genetic conditions
Infections
- Community-acquired pneumonia
- Fungal lung infection
- Legionnaires' Disease
- Lung abscess
- NTM lung infection
- Severe Pneumonia
- Tuberculosis
- Valley fever
- Walking Pneumonia in Children
- Whooping Cough
Inflammatory conditions
Lung growths
Occupational & environmental
Pleural disorders
Post-infection conditions
Sleep disorders
- Excessive daytime sleepiness
- Shallow Breathing In Sleep
- Snoring
- Upper Airway Resistance Syndrome
- Waking Up Gasping Or Choking
Structural lung conditions
Symptoms
- Blue Baby Syndrome
- Chest congestion
- Coughing up blood
- Low oxygen levels
- Rapid Breathing
- Severe asthma attack
- Wheezing
Procedures & services
Biopsies
Breathing
- CPAP Setup and Mask Troubleshooting
- Home Oxygen Therapy Training
- Nebulizer Breathing Treatment Training
Pleural procedures
- Draining lung fluid
- Chest tube insertion
- Medical thoracoscopy
- Permanent chest drain insertion
- Pleural sealing procedure
Sleep medicine
- At-home sleep test
- BiPAP therapy
- CPAP titration
- Overnight oxygen study
- Sleep study
Treatments
Most searched procedures
Airway care
Airway management
Biopsies & diagnostics
Breathing tests
- 6-minute walk test
- Asthma challenge test
- Cardiopulmonary Exercise Testing (CPET)
- Exhaled nitric oxide test
Cancer diagnostic procedures
Consultations
Counseling & prevention
Critical care
Diagnostic procedures
Drainage care
Imaging
Interventional procedures
Lab tests
Lung tests
Medications
Monitoring
Procedures
Rehabilitation
Screening
Sleep equipment
Sleep treatments
Specialist evaluations
Specialized testing
Procedures Most Often Billed to Medicare
625 services · 439 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
17 | Less often than most peers in Pulmonary Disease |
| Test for exercise-induced lung stress | Treatment | 94618 |
16 | Less often than most peers in Pulmonary Disease |
| Test to determine lung volumes using sensors | Treatment | 94726 |
14 | Less often than most peers in Pulmonary Disease |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
14 | Less often than most peers in Pulmonary Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
149 | More often than most peers in Pulmonary Disease |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
114 | More often than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
86 | As often as other peers in Pulmonary Disease |
| Critical care, first 30-74 minutes | Office visit | 99291 |
62 | Less often than most peers in Pulmonary Disease |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
46 | As often as other peers in Pulmonary Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
42 | As often as other peers in Pulmonary Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other lung specialists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other lung specialists in Austell 5
Same specialty, same city.
Trained at Louisiana State University School of Medicine in Shreveport 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Louisiana State University School of Medicine in Shreveport 8
Providers who graduated from the same medical school in the same year.
Also performs Test to examine how well the lungs exchange gases 8
Providers in GA who bill this service to Medicare most often.
Common questions
What does John C. Williams specialize in?
John C. Williams is a lung specialist in Austell, GA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.
NPI registry
Where is John C. Williams located?
John C. Williams is listed at 1664 Mulkey Rd, Austell, GA 30106. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John C. Williams's phone number?
The number on file is (770) 422-1372. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John C. Williams's NPI number?
John C. Williams's National Provider Identifier is 1841467198. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did John C. Williams train?
John C. Williams attended Louisiana State University School of Medicine in Shreveport, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has John C. Williams been practicing?
John C. Williams has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does John C. Williams do most often?
According to Medicare billing data, John C. Williams provides treatments such as test to examine how well the lungs exchange gases and test for exercise-induced lung stress, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John C. Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John C. Williams. If this is you, claiming it is free.
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