Hai Long Nguyen, M.D.
Internal Medicine Physician · Tulsa, OK
Hai Long Nguyen, M.D. is an internal medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1316057326, issued on Aug 30, 2006. Check the license (Oklahoma 23439, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Hai Long Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 23439 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1145 S Utica Ave, Tulsa, OK 74104
- Phone
- (918) 579-5749
- Enumerated
- Aug 30, 2006
- Record last updated
- Jul 25, 2024
- Fax
- (918) 579-5762
- Medicare enrollment
- Enrolled (PECOS I20070510000094); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 1145 S Utica Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Phillip Berry, D.O.Adult Medicine Physician1114032539
- Kusum Bhandari, MDNephrology Physician1700952884
Verify Hai Long Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 23439Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
474 Medicare Part D claims for 210 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Doxycycline Hyclate46 claims
- Methylprednisolone23 claims
- Cefdinir21 claims
- Amoxicillin-Clavulanate Potass16 claims
- Nitrofurantoin Mono-Macro16 claims
- Metoprolol Succinate15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $29.75
1 payment: food and beverage; the largest payer was Abiomed. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tulsa Hospital Medicine Physicians Group, LLCClaremore, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hai Long Nguyen among 1,115 internal medicine physician records in Oklahoma
Hai Long Nguyen, M.D. is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2007 among the 653 with a school on file
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
307 internal medicine physician records list a practice address in Tulsa
They are 307 of the 18,643 NPPES records with a practice address in Tulsa, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Tulsa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Cossman, M.D.Tulsa, OK 741041184627325
- Jon Cox, M.D.Tulsa, OK 741041114996741
- Janis Finer, M.D.Tulsa, OK 741041326017328
- Christine Franden, M.D.Tulsa, OK 741041669459160
- Linda Goldenstern, M.D.Tulsa, OK 741041205805835
- Andrew Gordon, M.D.Tulsa, OK 741041447228549
- Paul Hendrix, M.D.Tulsa, OK 741041306848692
- Erick Hill, M.D.Tulsa, OK 741041508835281
Common questions
What is Hai Long Nguyen, M.D.'s NPI number?
Hai Long Nguyen, M.D.'s National Provider Identifier (NPI) is 1316057326, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hai Long Nguyen, M.D. located?
The NPPES record lists a practice address at 1145 S Utica Ave, Tulsa, OK, 74104. Phone: (918) 579-5749. Providers update this record themselves, so call before visiting.
How can I verify Hai Long Nguyen, M.D.'s license?
NPPES lists Oklahoma license number 23439, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hai Long Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Hai Long Nguyen, M.D. had 474 Medicare Part D claims for 210 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.