Physician Profile
Chienying Liu, MD practices endocrinology, diabetes & metabolism in San Francisco, CA. Chienying is a 1995 graduate of University of Pittsburgh School of Medicine. Chienying is also listed as specializing in internal medicine. Medicare claims data shows Chienying provided 1,110 services to 778 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, 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', and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more.
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.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
400 PARNASSUS AVE
San Francisco, CA 94143
Within Endocrinology, Diabetes and Metabolism generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Adrenal
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Diabetes
Endocrine tumors
Hormone disorders
Hormones
Metabolic disorders
Metabolism
Parathyroid
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched procedures
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
Diabetes education
Diabetes preventive care
Genetic evaluations
Hormone treatments
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Thyroid
Thyroid procedures
Weight & Metabolism
1,110 services · 778 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
39 | Less often than most peers in Endocrinology, Diabetes &… |
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
13 | Less often than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
426 | More often than most peers in Endocrinology, Diabetes &… |
| 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 |
377 | More often than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
126 | More often than most peers in Endocrinology, Diabetes &… |
| Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes | Office visit | 99451 |
29 | More often than most peers in Endocrinology, Diabetes &… |
| 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 |
27 | As often as other peers in Endocrinology, Diabetes &… |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
24 | Less often than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
19 | Less often than most peers in Endocrinology, Diabetes &… |
| Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes | Office visit | 99421 |
18 | As often as other peers in Endocrinology, Diabetes &… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Liu is an endocrinologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
Dr. Liu is listed at 400 Parnassus Ave, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 353-2350. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Liu's National Provider Identifier is 1649237975. 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
Dr. Liu attended University of Pittsburgh School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
Dr. Liu has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Liu performs procedures including insertion of needle into vein for collection of blood sample and fine needle aspiration biopsy using ultrasound guidance, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Liu. 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.