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Edit this profileAt a glance
- 1001 Potrero Avenue, Rm 5G1, San Francisco, CA 94110
About Dr. Gray
Mary O. Gray, MD is a healthcare provider in San Francisco, CA specializing in cardiovascular disease (cardiology). Mary trained at University of California, San Diego School of Medicine, graduating in 1987. Mary is also listed as specializing in internal medicine and cardiovascular disease. Medicare claims data shows Mary provided 617 services to 504 patients. The services billed most often include ultrasound of heart with color-depicted blood flow, rate, direction and valve function, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. This provider record is associated with NPI 1124062013.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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) 206-3503
- Email not available
Practice Locations
1001 POTRERO AVENUE RM 5G1
San Francisco, CA 94110
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease 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
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
617 services · 504 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
241 | As often as other peers in Cardiovascular Disease… |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
34 | As often as other peers in Cardiovascular Disease… |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
27 | As often as other peers in Cardiovascular Disease… |
| Ultrasound of heart, follow-up | Treatment | 93308 |
24 | As often as other peers in Cardiovascular Disease… |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
104 | More often than most peers in Cardiovascular Disease… |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
87 | As often as other peers in Cardiovascular Disease… |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
45 | More often than most peers in Cardiovascular Disease… |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
39 | As often as other peers in Cardiovascular Disease… |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
16 | Less often than most peers in Cardiovascular Disease… |
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.
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.
Other cardiovascular diseases in San Francisco 8
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1987 at University of California, San Diego School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Gray?
Dr. Gray is a cardiovascular disease (cardiology) in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Gray's address?
Dr. Gray is listed at 1001 Potrero Avenue Rm 5G1, San Francisco, CA 94110. 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. Gray?
The number on file is (415) 206-3503. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Gray?
Dr. Gray's National Provider Identifier is 1124062013. 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. Gray train?
Dr. Gray attended University of California, San Diego School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gray have?
Dr. Gray has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Gray perform?
According to Medicare billing data, Dr. Gray provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and ultrasound of heart with color-depicted blood flow, rate and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gray's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gray. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.