Physician Profile
John Z. Metcalfe, M.D.
Unclaimed ProfileAbout Dr. Metcalfe
Based in San Francisco, CA, John Z. Metcalfe, M.D. is listed in the NPI registry under internal medicine. John graduated from Tufts University School of Medicine in 2003. John is also listed as specializing in pulmonary disease and critical care medicine. According to Medicare claims data, John cared for 103 Medicare patients across 173 services. The services billed most often include critical care, first 30-74 minutes, test to examine how well the lungs exchange gases, and test to measure expiratory airflow and volume.
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.
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) 206-4679
- Email not available
Practice Locations
1001 POTRERO AVE RM 5K1
San Francisco, CA 94110
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
173 services · 103 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
25 | Less often than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
16 | Less often than most peers in Internal Medicine |
| Test to determine lung volumes using sensors | Treatment | 94726 |
15 | Less often than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
11 | Less often than most peers in Internal Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
106 | More 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 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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 Tufts University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Tufts University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test to examine how well the lungs exchange gases 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does John Z. Metcalfe specialize in?
John Z. Metcalfe 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 John Z. Metcalfe located?
John Z. Metcalfe is listed at 1001 Potrero Ave Rm 5K1, San Francisco, CA 94110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John Z. Metcalfe's phone number?
The number on file is (415) 206-4679. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is John Z. Metcalfe's NPI number?
John Z. Metcalfe's National Provider Identifier is 1154399350. 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 John Z. Metcalfe train?
John Z. Metcalfe attended Tufts University School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has John Z. Metcalfe been practicing?
John Z. Metcalfe has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does John Z. Metcalfe do most often?
According to Medicare billing data, John Z. Metcalfe provides treatments such as test to examine how well the lungs exchange gases and test to measure expiratory airflow and volume, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John Z. Metcalfe confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John Z. Metcalfe. 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.