Physician Profile
Unclaimed ProfileAbout CHONG
Derek J Chong, M.D. practises neurology in New York, NY. Derek is also listed as specialising in sleep medicine (neurology). Medicare claims data shows Derek provided 517 services to 356 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
Common questions
What does Dr. Chong specialise in?
Dr. Chong is a neurology in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEUROLOGY”.
NPI registry
Where is Dr. Chong located?
Dr. Chong is listed at 130 E 77TH ST 8TH FLOOR, New York, NY 10075. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chong's phone number?
The number on file is (212) 434-3640. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chong?
Dr. Chong's National Provider Identifier is 1669412011. 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. Chong go to medical school?
Dr. Chong attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chong have?
Dr. Chong has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chong do most often?
According to Medicare billing data, Dr. Chong provides treatments such as measurement of brain wave activity with video , 12-26 hours with review and report by health care professional and measurement of brain wave activity with video , 2-12 hours with review and report by health care professional, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chong's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chong. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (212) 434-3640
- Email not available
Practice Locations
130 E 77TH ST 8TH FLOOR
New York, NY 10075
Procedures Most Often Billed to Medicare
517 services · 356 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | Treatment | 95720 |
131 |
| Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional | Treatment | 95718 |
39 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
119 |
| 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 |
112 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
36 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
35 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
26 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
19 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 2
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 neurology specialists in New York 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 8
Providers in NY who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.