Physician Profile
Unclaimed ProfileAbout PAK
Theodore Robertson Pak, MD, PhD practises infectious disease in Orange, CA. Theodore is a 2019 graduate of Icahn School of Medicine at Mount Sinai. Theodore is also listed as specialising in internal medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Pak?
Dr. Pak is an infectious disease in Orange, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INFECTIOUS DISEASE”.
NPI registry
What is Dr. Pak's address?
Dr. Pak 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
How can I make an appointment with Dr. Pak?
The number on file is (714) 456-8888. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Pak's NPI number?
Dr. Pak's National Provider Identifier is 1013476100. 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 Dr. Pak train?
Dr. Pak attended Icahn School of Medicine at Mount Sinai, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Pak been practising?
Dr. Pak has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Pak perform?
According to Medicare billing data, Dr. Pak the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Pak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Pak. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 456-8888
- Email not available
Practice Locations
101 THE CITY DR S
Orange, CA 92868
Procedures Most Often Billed to Medicare
28 services · 11 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
28 |
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.
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.
Other infectious diseases in Orange 8
Same specialty, same city.
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
More connections — 7 related providers in 1 group
Class of 2019 at Icahn School of Medicine at Mount Sinai 7
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.