Physician Profile
Justin P. Quock, M.D., F.A.C.P.
Unclaimed ProfileAbout Dr. Quock
Based in San Francisco, CA, Justin P. Quock, M.D., F.A.C.P. is listed in the NPI registry under internal medicine. Justin graduated from R Franklin University of Med & Sci/Chicago Medical School in 1990. Justin is also listed as specializing in medical oncology. Medicare claims data shows Justin provided 1,754 services to 804 patients. The services billed most often include insertion of needle into vein for collection of blood sample, complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, and blood test, comprehensive group of blood chemicals.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (415) 398-5100
- Email not available
Practice Locations
929 CLAY ST STE 207
San Francisco, CA 94108
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
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
1,754 services · 804 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
568 | More often than most peers in Internal Medicine |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
491 | More often than most peers in Internal Medicine |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
391 | More often than most peers in Internal Medicine |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
53 | Less often than most peers in Internal Medicine |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
41 | As often as other peers in Internal Medicine |
| Red blood count, automated test | Lab test | 85045 |
32 | As often as other peers in Internal Medicine |
| Uric acid level, blood | Lab test | 84550 |
26 | Less often than most peers in Internal Medicine |
| Hemoglobin a1c level | Lab test | 83036 |
22 | Less often than most peers in Internal Medicine |
| Thyroxine (thyroid chemical), free | Lab test | 84439 |
21 | Less often than most peers in Internal Medicine |
| Creatinine level to test for kidney function or muscle injury | Lab test | 82570 |
21 | Less often than most peers in Internal Medicine |
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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 internists in San Francisco 8
Same specialty, same city.
Trained at R Franklin University of Med & Sci/Chicago Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at R Franklin University of Med & Sci/Chicago Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Justin P. Quock, M.D. specialize in?
Justin P. Quock, M.D. is an internist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Justin P. Quock, M.D. located?
Justin P. Quock, M.D. is listed at 929 Clay St Ste 207, San Francisco, CA 94108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Justin P. Quock, M.D.'s phone number?
The number on file is (415) 398-5100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Justin P. Quock, M.D.?
Justin P. Quock, M.D.'s National Provider Identifier is 1699792663. 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 Justin P. Quock, M.D. train?
Justin P. Quock, M.D. attended R Franklin University of Med & Sci/Chicago Medical School, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Justin P. Quock, M.D. have?
Justin P. Quock, M.D. has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Justin P. Quock, M.D. do most often?
According to Medicare billing data, Justin P. Quock, M.D. performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Justin P. Quock, M.D.'s profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Justin P. Quock, M.D.. 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.