Physician Profile
Dianna Chooljian, MD PHD MPH
Unclaimed ProfileAbout Dr. Chooljian
Dianna Chooljian, MD PHD MPH is a healthcare provider in Long Beach, CA specializing in nuclear medicine. Dianna trained at Uniformed Services Uhs Fe Hebert School of Med, graduating in 1983. Dianna is also listed as specializing in diagnostic radiology. Medicare claims data shows Dianna provided 1,389 services to 1,319 patients. The services billed most often include ct scan head or brain without contrast, x-ray of chest, 1 view, and ct scan of blood vessels of neck with contrast.
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
- (562) 933-1550
- Email not available
Practice Locations
2801 ATLANTIC AVE
Long Beach, CA 90806
Procedures Most Often Billed to Medicare
1,389 services · 1,319 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
486 | More often than most peers in Nuclear Medicine |
| X-ray of chest, 1 view | Imaging | 71045 |
205 | As often as other peers in Nuclear Medicine |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
110 | More often than most peers in Nuclear Medicine |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
109 | More often than most peers in Nuclear Medicine |
| Mri scan of brain without contrast | Imaging | 70551 |
96 | As often as other peers in Nuclear Medicine |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
76 | More often than most peers in Nuclear Medicine |
| Mri scan of brain before and after contrast | Imaging | 70553 |
62 | Less often than most peers in Nuclear Medicine |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
58 | More often than most peers in Nuclear Medicine |
| Ct scan of upper spine without contrast | Imaging | 72125 |
46 | Less often than most peers in Nuclear Medicine |
| Mri scan of upper spinal canal without contrast | Imaging | 72141 |
37 | More often than most peers in Nuclear 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.
Related specialists at this location 1
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.
Other nuclear medicines in Long Beach 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Uniformed Services Uhs Fe Hebert School of Med 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at Uniformed Services Uhs Fe Hebert School of Med 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan head or brain without contrast 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Chooljian specialize in?
Dr. Chooljian is a nuclear medicine in Long Beach, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Chooljian located?
Dr. Chooljian is listed at 2801 Atlantic Ave, Long Beach, CA 90806. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chooljian's phone number?
The number on file is (562) 933-1550. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chooljian?
Dr. Chooljian's National Provider Identifier is 1902888043. 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. Chooljian go to medical school?
Dr. Chooljian attended Uniformed Services Uhs Fe Hebert School of Med, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chooljian have?
Dr. Chooljian has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chooljian do most often?
According to Medicare billing data, Dr. Chooljian performs imaging including ct scan head or brain without contrast and x-ray of chest, 1 view. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chooljian's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chooljian. 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.