Physician Profile
Katherine C. Ma, MD
Unclaimed ProfileAbout Dr. Ma
Katherine C. Ma, MD practices orthopaedic foot & ankle surgery in Cortlandt Manor, NY. Katherine is a 2007 graduate of New York Medical College. According to Medicare claims data, Katherine cared for 627 Medicare patients across 4,257 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 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.
Contact Information
- (914) 739-6096
- Email not available
Practice Locations
1978 CROMPOND ROAD CAREMOUNT MEDICAL PC
Cortlandt Manor, NY 10567
Procedures Most Often Billed to Medicare
4,257 services · 627 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
31 |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
28 |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
12 |
| Imaging guidance for procedure, 60 minutes or less | Imaging | 76000 |
32 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
3,484 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
346 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
134 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
104 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
50 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
19 |
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.
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.
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at New York Medical College 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Aspiration and/or injection of fluid from medium joint 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Ma specialize in?
Dr. Ma is an orthopaedic foot & ankle surgeon in Cortlandt Manor, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Foot & Ankle Surgery”.
NPI registry
Where is Dr. Ma located?
Dr. Ma is listed at 1978 Crompond Road Caremount Medical Pc, Cortlandt Manor, NY 10567. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ma's phone number?
The number on file is (914) 739-6096. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ma's NPI number?
Dr. Ma's National Provider Identifier is 1992063382. 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. Ma go to medical school?
Dr. Ma attended New York Medical College, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ma been practicing?
Dr. Ma has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ma do most often?
According to Medicare billing data, Dr. Ma performs procedures including aspiration and/or injection of fluid from medium joint, aspiration and/or injection of fluid from small joint and insertion of needle into vein for collection of blood sample; reads or performs imaging such as imaging guidance for procedure, 60 minutes or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ma confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ma. 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.