Mark E Wylam, M.D. practices pulmonary disease in Orange, CA. Mark is a 1984 graduate of Georgetown University School of Medicine. Mark is also listed as specializing in internal medicine, critical care medicine, and cardiovascular disease. Medicare claims data shows Mark provided 334 services to 200 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Wylam is a pulmonary disease in Orange, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
Dr. Wylam is listed at 101 THE CITY DR S, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (714) 456-7890. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Wylam's National Provider Identifier is 1003880865. 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
Dr. Wylam attended Georgetown University School of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
Dr. Wylam has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Wylam provides treatments such as test to examine how well the lungs exchange gases and test to measure expiratory airflow and volume changes before and after medication administration, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Wylam. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
101 THE CITY DR S
Orange, CA 92868
334 services · 200 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
22 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
21 |
| Test to determine lung volumes using sensors | Treatment | 94726 |
19 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
85 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
61 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
50 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
43 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
33 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileConnections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.