Dr. Timothy Ta-Chih Ferng, MD
- Medicare services, 2024
- 97
- Medicare patients, 2024
- 51
- Part D claims, 2024
- 73
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Ferng's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Timothy Ta-Chih Ferng is a hematologist and oncologist in San Francisco, California
Dr. Ferng practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. Ferng's NPI, 1548587546, was assigned on April 29, 2010. Dr. Ferng graduated from Wayne State University School Of Medicine in 2010. Dr. Ferng holds California license A136491.
- NPI
- 1548587546NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901040708
- NPI enumeration date
- April 29, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy Ta-Chih Ferng practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. Ferng's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Dr. Timothy Ta-Chih Ferng is affiliated with 3 sites of care and 4 medical groups
Dr. Ferng's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dr. Ferng is also affiliated with Memorial Sloan Kettering Cancer Center. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Ferng to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy Ta-Chih Ferng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ferng practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy Ta-Chih Ferng is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Ferng's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Ferng is licensed in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Hematologists and oncologists near Dr. Ferng
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Timothy Ta-Chih Ferng billed Medicare for 97 services in 2024
CMS data shows 97 Medicare services from Dr. Ferng across 4 procedure codes in 2024, for 51 Medicare patients. Medicare paid $6,579 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ferng's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Other services
- 2022: 02024: 43
- Office and hospital visits
- 2022: 382024: 3411%
- Surgery
- 2022: 02024: 20
Dr. Ferng compared with the California median for hematologists and oncologists, 2024
- Dr. Ferng
- California median
- Medicare services
- 97vs 93290% below
- Medicare patients
- 51vs 22577% below
- Part D claims
- 25vs 39494% below
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Ferng's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ferng and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy Ta-Chih Ferng treated 51 Medicare patients in 2024, average age 72
CMS counts 51 Medicare patients who saw Dr. Ferng in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 61% have high cholesterol. Their average risk score is 2.20, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ferng's median patient age at 67, with 39% women.
Dr. Ferng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ferng's Medicare patients by sex, 2024
- Women1937%
- Men3263%
Chronic conditions among Dr. Ferng's Medicare patients, 2024
- High blood pressure75%
- High cholesterol61%
- Chronic kidney disease37%
- Arthritis35%
- Ischemic heart disease35%
- Atrial fibrillation29%
- Diabetes25%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ferng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women39%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy Ta-Chih Ferng wrote 73 Medicare Part D claims in 2024
In 2024, Dr. Ferng wrote 73 Medicare Part D claims for 11 patients. 71% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $46,978 in total drug cost.
Dr. Ferng's Part D claims by kind of drug, 2024
- Generic52 claims71%
- Brand-name21 claims29%
Dr. Ferng's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Timothy Ta-Chih Ferng scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Ferng for performance year 2024, reported as part of a group. Dr. Ferng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ferng as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ferng's MIPS scores, performance year 2024
- 100of 100Final score
- 95of 100Quality
- 40of 100Improvement Activities
- 81of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Timothy Ta-Chih Ferng received $160 in industry payments from 2018 to 2025
CMS Open Payments shows 4 general payments to Dr. Ferng from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $113.
General payments to Dr. Ferng by program year, 2018 to 2025
Companies that paid Dr. Ferng the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy Ta-Chih Ferng graduated from Wayne State University School Of Medicine
Dr. Ferng graduated from Wayne State University School Of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy Ta-Chih Ferng's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Timothy Ta-Chih Ferng
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Timothy Ta-Chih Ferng's NPI number?
Dr. Timothy Ta-Chih Ferng's NPI number is 1548587546. It was assigned on April 29, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy Ta-Chih Ferng?
Dr. Timothy Ta-Chih Ferng is a hematologist and oncologist in San Francisco, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Timothy Ta-Chih Ferng practice?
Dr. Ferng practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Ferng's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Ferng to 3 medical groups and 1 group practice or clinic.
What is Dr. Timothy Ta-Chih Ferng's office phone number?
The practice phone on file for Dr. Ferng is (415) 353-2733.
What is Dr. Timothy Ta-Chih Ferng's medical license number?
Dr. Ferng holds California license A136491.
Which hospitals is Dr. Timothy Ta-Chih Ferng affiliated with?
Dr. Ferng practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Dr. Ferng is also affiliated with Memorial Sloan Kettering Cancer Center.
What medical group is Dr. Timothy Ta-Chih Ferng part of?
Dr. Ferng is linked to UCSF Pediatrics. Dmand AI links Dr. Ferng to 3 more medical groups.
Does Dr. Timothy Ta-Chih Ferng accept Medicare?
Yes. CMS data shows Dr. Ferng billed Medicare for 97 services in 2024, and Dr. Ferng accepts Medicare assignment.
Does Dr. Timothy Ta-Chih Ferng offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ferng as offering telehealth services.
What is Dr. Timothy Ta-Chih Ferng's MIPS score?
Dr. Ferng's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Timothy Ta-Chih Ferng see?
CMS counts 51 Medicare patients who saw Dr. Ferng in 2024, with an average age of 72.
What services does Dr. Timothy Ta-Chih Ferng bill to Medicare?
In 2024, Dr. Ferng's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and surgery: blood and lymph system (38222).
Where did Dr. Timothy Ta-Chih Ferng go to medical school?
Dr. Ferng graduated from Wayne State University School Of Medicine in 2010.
What drugs does Dr. Timothy Ta-Chih Ferng prescribe most?
In 2024 Medicare Part D data, Dr. Ferng's most prescribed drugs by claims were Venclexta and Voriconazole.
Has Dr. Timothy Ta-Chih Ferng received payments from drug or device companies?
CMS Open Payments shows $160 in general payments to Dr. Ferng from 4 companies from 2018 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Timothy Ta-Chih Ferng been practicing?
Dr. Ferng graduated from medical school in 2010, 16 years ago.
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