Physician Profile
Unclaimed ProfileAbout ENG
Based in Long Beach, CA, Steven Loy-Ngan Eng, M.D. is listed in the NPI registry under endocrinology. Steven graduated from Rutgers New Jersey Medical School in 1999. Steven is also listed as specializing in endocrinology, diabetes & metabolism. Medicare claims data shows Steven provided 3,066 services to 1,519 patients.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (562) 634-9803
- Email not available
Practice Locations
3300 E. SOUTH STREET SUITE 103
Long Beach, CA 90805
Procedures Most Often Billed to Medicare
3,066 services · 1,519 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
246 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
29 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,257 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
674 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
651 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
114 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
79 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
16 |
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 endocrinology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
More connections — 30 related providers in 4 groups
Other endocrinology specialists in Long Beach 7
Same specialty, same city.
Trained at Rutgers New Jersey Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Rutgers New Jersey Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Eng's specialty?
Dr. Eng is an endocrinology in Long Beach, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ENDOCRINOLOGY”.
NPI registry
Where can I find Dr. Eng?
Dr. Eng is listed at 3300 E. SOUTH STREET SUITE 103, Long Beach, CA 90805. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Eng?
The number on file is (562) 634-9803. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Eng?
Dr. Eng's National Provider Identifier is 1881798189. 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
What is Dr. Eng's medical education?
Dr. Eng attended Rutgers New Jersey Medical School, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Eng have?
Dr. Eng has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Eng known for?
According to Medicare billing data, Dr. Eng provides treatments such as continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Eng's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Eng. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.