Physician Profile
Unclaimed ProfileAbout FREDERICK
Richard Todd Frederick, M.D. practises gastroenterology in San Francisco, CA. Richard is a 1998 graduate of New York Medical College. Richard is also listed as specialising in transplant surgery and internal medicine.
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. Frederick?
Dr. Frederick is a gastroenterology in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Frederick's address?
Dr. Frederick is listed at 1100 VAN NESS AVE, 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. Frederick?
The number on file is (415) 600-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Frederick's NPI number?
Dr. Frederick's National Provider Identifier is 1720009160. 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. Frederick train?
Dr. Frederick attended New York Medical College, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Frederick been practising?
Dr. Frederick has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Frederick perform?
According to Medicare billing data, Dr. Frederick provides treatments such as measurement of liver stiffness, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Frederick confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Frederick. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 600-1000
- Email not available
Practice Locations
1100 VAN NESS AVE
San Francisco, CA 94109
Procedures Most Often Billed to Medicare
990 services · 582 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Measurement of liver stiffness | Treatment | 91200 |
29 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
290 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
241 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
213 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
48 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
39 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
39 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
37 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
25 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
16 |
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 gastroenterology specialists at this location 1
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 — 32 related providers in 4 groups
Other gastroenterology specialists in San Francisco 8
Same specialty, same city.
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at New York Medical College 8
Providers who graduated from the same medical school in the same year.
Also performs Measurement of liver stiffness 8
Providers in CA 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.