Physician Profile
Melissa L. Mao, MD
Unclaimed ProfileAbout Dr. Mao
Melissa L. Mao, MD practices surgery of the hand in Orange, CA. Melissa is a 2012 graduate of Temple University School of Medicine. Melissa is also listed as specializing in surgery. According to Medicare claims data, Melissa cared for 150 Medicare patients across 165 services. The services billed most often include telephone medical discussion with physician, 5-10 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
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
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
- (714) 456-8000
- Email not available
Practice Locations
101 THE CITY DR S BLDG 23
Orange, CA 92868
8815 Germantown Ave Ste 22
Philadelphia, PA 19118
Procedures Most Often Billed to Medicare
165 services · 150 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
11 | Less often than most peers in Surgery of the Hand |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
11 | Less often than most peers in Surgery of the Hand |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
11 | Less often than most peers in Surgery of the Hand |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
29 | More often than most peers in Surgery of the Hand |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
25 | As often as other peers in Surgery of the Hand |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 | As often as other peers in Surgery of the Hand |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
15 | More often than most peers in Surgery of the Hand |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
15 | More often than most peers in Surgery of the Hand |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
13 | Less often than most peers in Surgery of the Hand |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
12 | Less often than most peers in Surgery of the Hand |
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 8
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 surgery of the hands in Orange 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Temple University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Temple University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of central venous tube with port (5 years or older) 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Mao's specialty?
Dr. Mao is a surgery of the hand in Orange, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Mao?
Dr. Mao is listed at 101 the City Dr S Bldg 23, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mao?
The number on file is (714) 456-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mao's NPI number?
Dr. Mao's National Provider Identifier is 1245594498. 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. Mao's medical education?
Dr. Mao attended Temple University School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mao been practicing?
Dr. Mao has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Mao known for?
According to Medicare billing data, Dr. Mao performs procedures including insertion of central venous tube with port; reads or performs imaging such as fluoroscopic guidance for insertion or removal of central vein access device and ultrasonic guidance for blood vessel access, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mao confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mao. 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.