Physician Profile
Unclaimed ProfileAbout MATZ
Based in San Francisco, CA, Robert M Matz, M.D. is listed in the NPI registry under internal medicine. Robert graduated from University of Nevada School of Medicine in 2009. According to Medicare claims data, Robert cared for 737 Medicare patients across 1,117 services.
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 kind of doctor is Dr. Matz?
Dr. Matz is an internal medicine in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Matz's address?
Dr. Matz is listed at 900 HYDE ST RM 410, San Francisco, CA 94109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Matz?
The number on file is (415) 353-6817. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Matz's NPI number?
Dr. Matz's National Provider Identifier is 1558503086. 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. Matz train?
Dr. Matz attended University of Nevada School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Matz been practicing?
Dr. Matz has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Matz perform?
According to Medicare billing data, Dr. Matz 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
Has Dr. Matz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Matz. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 353-6817
- Email not available
Practice Locations
900 HYDE ST RM 410
San Francisco, CA 94109
Procedures Most Often Billed to Medicare
1,117 services · 737 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
504 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
252 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
180 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
120 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
61 |
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.
Other internal medicines at this location 4
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 — 24 related providers in 3 groups
Other internal medicines in San Francisco 8
Same specialty, same city.
Trained at University of Nevada School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at University of Nevada School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.