Physician Profile
Unclaimed ProfileAbout LIN
Based in San Francisco, CA, Grace Adelaide Lin, MD is listed in the NPI registry under internal medicine. Grace graduated from University of Michigan Medical School in 2000. Medicare claims data shows Grace provided 430 services to 265 patients.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 353-4624
- Email not available
Practice Locations
400 PARNASSUS AVE BOX 0320
San Francisco, CA 94143
Procedures Most Often Billed to Medicare
430 services · 265 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
179 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
130 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
98 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 |
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 internal medicines at this location 5
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 — 22 related providers in 3 groups
Other internal medicines in San Francisco 7
Same specialty, same city.
Trained at University of Michigan Medical School 7
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Lin specialize in?
Dr. Lin 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
Where is Dr. Lin located?
Dr. Lin is listed at 400 PARNASSUS AVE BOX 0320, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Lin's phone number?
The number on file is (415) 353-4624. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Lin?
Dr. Lin's National Provider Identifier is 1942315387. 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. Lin go to medical school?
Dr. Lin attended University of Michigan Medical School, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lin have?
Dr. Lin has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lin do most often?
According to Medicare billing data, Dr. Lin 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
Is Dr. Lin's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lin. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.