Physician Profile
Hai L. Nguyen, M.D.
Unclaimed ProfileAbout Dr. Nguyen
Hai L. Nguyen, M.D. is a healthcare provider in Tulsa, OK specializing in internal medicine. Hai trained at University of Oklahoma College of Medicine, graduating in 2003. According to Medicare claims data, Hai cared for 512 Medicare patients across 717 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, hospital discharge day management, more than 30 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (918) 579-5749
- Email not available
Practice Locations
1145 S UTICA AVE STE 460
Tulsa, OK 74104
Conditions Commonly Evaluated or Treated
Within Internal Medicine 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
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
717 services · 512 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
14 | Less often than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
320 | More often than most peers in Internal Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
163 | More often than most peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
159 | More often than most peers in Internal Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
61 | More often than most peers in Internal Medicine |
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 internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 internists in Tulsa 7
Same specialty, same city.
Trained at University of Oklahoma College of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 2003 at University of Oklahoma College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in OK who bill this service to Medicare most often.
Common questions
What does Hai L. Nguyen specialize in?
Hai L. Nguyen is an internist in Tulsa, OK. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Hai L. Nguyen located?
Hai L. Nguyen is listed at 1145 S Utica Ave Ste 460, Tulsa, OK 74104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Hai L. Nguyen's phone number?
The number on file is (918) 579-5749. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Hai L. Nguyen's NPI number?
Hai L. Nguyen's National Provider Identifier is 1316057326. 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 Hai L. Nguyen train?
Hai L. Nguyen attended University of Oklahoma College of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Hai L. Nguyen been practicing?
Hai L. Nguyen has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Hai L. Nguyen do most often?
According to Medicare billing data, Hai L. Nguyen provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Hai L. Nguyen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Hai L. Nguyen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.