Dr. Mia Felice Williams, MD
- Medicare services, 2024
- 618
- Medicare patients, 2024
- 182
- Part D claims, 2024
- 2,343
- MIPS score, 2024
- 85
- Hospital affiliations
- 1
- 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. Williams' professional email, personal email and mobile number
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Dr. Mia Felice Williams is an internist in San Francisco, California
Dr. Williams practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. Williams' NPI, 1386030906, was assigned on April 9, 2015. Dr. Williams graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2015. Dr. Williams holds California license A149645.
- NPI
- 1386030906NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618227810
- NPI enumeration date
- April 9, 2015
- 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
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mia Felice Williams practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. Williams' 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. Mia Felice Williams is affiliated with 2 sites of care and 4 medical groups
Dr. Williams' primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Williams to 3 more medical groups and 1 home health agency, 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. Mia Felice Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 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 |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mia Felice Williams is one of 16,751 internists in California
Internal medicine is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Williams is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Williams
Counts of internists 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. Mia Felice Williams billed Medicare for 618 services in 2024
CMS data shows 618 Medicare services from Dr. Williams across 6 procedure codes in 2024, for 182 Medicare patients. Medicare paid $36,601 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2802024: 36229%
- Other services
- 2023: 112024: 2562227%
Dr. Williams compared with the California median for internists, 2024
- Dr. Williams
- California median
- Medicare services
- 618vs 36171% above
- Medicare patients
- 182vs 15121% above
- Part D claims
- 1,713vs 4214.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Williams' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mia Felice Williams treated 182 Medicare patients in 2024, average age 73
CMS counts 182 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 77 patients. 66% of them have high blood pressure, and 62% have high cholesterol. 43% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 67, with 60% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women10457%
- Men7843%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure66%
- High cholesterol62%
- Arthritis37%
- Mood disorders32%
- Osteoporosis31%
- Depression30%
- Chronic kidney disease28%
- Diabetes27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' 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
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mia Felice Williams wrote 2,343 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 2,343 Medicare Part D claims for 220 patients. 85% of them were for generic drugs. CMS names the drug for 1,713 of them, across 53 drugs with 11 or more claims each, at $136,771 in total drug cost. In 2023, CMS named 1,490 claims across 50 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic1,998 claims85%
- Brand-name331 claims14%
- Other14 claims1%
Dr. Williams' 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.
Drug classes CMS tracks in Dr. Williams' Part D claims, 2024
- Opioids1%26 of 2,343 claims
- Antibiotics1%23 of 2,343 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,4902024: 1,71315%
Drugs named by CMS: 53 in 2024, 50 in 2023.
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. Mia Felice Williams scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Williams for performance year 2024, reported as part of a group. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Williams as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Williams' MIPS scores, performance year 2024
- 85of 100Final score
- 81.1of 100Quality
- 40of 100Improvement Activities
- 71of 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. Mia Felice Williams graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Dr. Williams graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mia Felice Williams'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) |
| 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. Mia Felice Williams
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. Mia Felice Williams' NPI number?
Dr. Mia Felice Williams' NPI number is 1386030906. It was assigned on April 9, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Mia Felice Williams?
Dr. Mia Felice Williams is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mia Felice Williams practice?
Dr. Williams practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Williams' 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. Williams to 3 medical groups and 1 home health agency.
What is Dr. Mia Felice Williams' office phone number?
The practice phone on file for Dr. Williams is (415) 353-2733.
What is Dr. Mia Felice Williams' medical license number?
Dr. Williams holds California license A149645.
Which hospitals is Dr. Mia Felice Williams affiliated with?
Dr. Williams practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Dr. Mia Felice Williams part of?
Dr. Williams is linked to UCSF Pediatrics. Dmand AI links Dr. Williams to 3 more medical groups.
Does Dr. Mia Felice Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 618 services in 2024, and Dr. Williams accepts Medicare assignment.
Does Dr. Mia Felice Williams offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Williams as offering telehealth services.
What is Dr. Mia Felice Williams' MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Mia Felice Williams see?
CMS counts 182 Medicare patients who saw Dr. Williams in 2024, with an average age of 73.
What services does Dr. Mia Felice Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Mia Felice Williams go to medical school?
Dr. Williams graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2015.
What drugs does Dr. Mia Felice Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Omeprazole.
How long has Dr. Mia Felice Williams been practicing?
Dr. Williams graduated from medical school in 2015, 11 years ago.
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