Physician Profile
Ningning Ma, MD
Unclaimed ProfileAbout Dr. Ma
Based in Saint Louis, MO, Ningning Ma, MD is listed in the NPI registry under internal medicine. Medicare claims data shows Ningning provided 29 services to 29 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (314) 362-1700
- Email not available
Practice Locations
1 BARNES JEWISH HOSPITAL PLZ DIV IM HOSPITALIST
Saint Louis, MO 63110
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
29 services · 29 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
29 |
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 internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 7 related providers in 1 group
Common questions
What does Dr. Ma specialize in?
Dr. Ma is an internist in Saint Louis, MO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.
NPI registry
Where is Dr. Ma located?
Dr. Ma is listed at 1 BARNES JEWISH HOSPITAL PLZ DIV IM HOSPITALIST, Saint Louis, MO 63110. 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 (314) 362-1700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ma?
Dr. Ma's National Provider Identifier is 1659710929. 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
How much experience does Dr. Ma have?
Dr. Ma has 13+ years experience. Registered with an NPI since 2013. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Ma do most often?
According to Medicare billing data, Dr. Ma the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ma's profile verified?
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.