Dr. Chienyi Ruby Williams, MD

  • Tallahassee, FL
  • Pulmonologist
NPI1437474863PAC ID2961630090
Medicare services, 2024
1,120
Medicare patients, 2024
541
Part D claims, 2024
1,452
MIPS score, 2024
75
Hospital affiliations
1
Practice address
1300 Miccosukee Rd, Tallahassee, FL 32308
Practice phone
Call (850) 431-1155
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Tallahassee Memorial Hospital

Hospital · Tallahassee, Florida

See all 3 affiliations

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Dr. Chienyi Ruby Williams is a pulmonologist in Tallahassee, Florida

Dr. Williams practices at Tallahassee Memorial Hospital in Tallahassee, Florida, part of Tallahassee Memorial HealthCare.

Dr. Williams' NPI, 1437474863, was assigned on March 29, 2010. Dr. Williams graduated from St. George's University School of Medicine in 2010. Dr. Williams holds Florida license ME131048.

NPI and contact details
Medicare PAC ID
2961630090
NPI enumeration date
March 29, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(850) 431-1155
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
35
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. Chienyi Ruby Williams practices at Tallahassee Memorial Hospital in Tallahassee, Florida

Dr. Williams' primary practice is Tallahassee Memorial Hospital, at 1300 Miccosukee Rd, Tallahassee, FL 32308 in Leon County. The practice phone is (850) 431-1155.

Source: Dmand AI Affiliation Data

Dr. Chienyi Ruby Williams is affiliated with 2 sites of care and 1 medical group

Dr. Williams' primary practice is Tallahassee Memorial Hospital in Tallahassee, Florida, part of Tallahassee Memorial HealthCare. The medical group on file is TMH Physician Partners. Dmand AI also links Dr. Williams to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Williams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Chienyi Ruby 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.

EHR by site
SiteEHR vendor and product
Tallahassee Memorial HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Tallahassee Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Chienyi Ruby Williams is one of 934 pulmonologists in Florida

Pulmonary disease is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Williams is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Williams is licensed in Florida.

Specialties and state licenses

  • Pulmonary disease, FloridaPrimaryLicense ME131048 · 2017 to 2027 · taxonomy 207RP1001X

Clinical focus

Dmand AI lists asthma, bronchitis, chronic lung disease, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, pneumonia, pulmonary fibrosis and sleep apnea among the conditions Dr. Williams treats.

Pulmonologists near Dr. Williams

Counts of pulmonologists 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. Chienyi Ruby Williams billed Medicare for 1,120 services in 2024

CMS data shows 1,120 Medicare services from Dr. Williams across 12 procedure codes in 2024, for 541 Medicare patients. Medicare paid $123,356 for them.

Medicare services, 20241,120
Medicare patients541
Paid by Medicare$123,356
Procedure codes12

Dr. Williams' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,0522024: 86718%
Tests and treatments
2023: 4012024: 25337%
Imaging
2023: 132024: 0100%

Where Dr. Williams' Medicare services took place, 2024

  • In an office35231%
  • In a facility76869%

Dr. Williams compared with the Florida median for pulmonologists, 2024

  • Dr. Williams
  • Florida median
Medicare services
1,120vs 1,00212% above
Medicare patients
541vs 40833% above
Part D claims
1,278vs 6372.0 times

Medians across 895 pulmonologists in Florida 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.

See all procedures by Dr. Williams

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Chienyi Ruby Williams treated 541 Medicare patients in 2024, average age 75

CMS counts 541 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 221 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.81, 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. Williams' median patient age at 70, with 53% women.

Medicare patients, 2024541
Average age75
Average risk score1.81
Also on Medicaid19%

Dr. Williams' Medicare patients by age, 2024

Dr. Williams' Medicare patients by sex, 2024

  • Women27651%
  • Men26549%

Chronic conditions among Dr. Williams' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Ischemic heart disease46%
  5. Diabetes41%
  6. Heart failure41%
  7. Atrial fibrillation37%
  8. COPD37%

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 70

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Chienyi Ruby Williams wrote 1,452 Medicare Part D claims in 2024

In 2024, Dr. Williams wrote 1,452 Medicare Part D claims for 204 patients. 47% of them were for generic drugs. CMS names the drug for 1,278 of them, across 29 drugs with 11 or more claims each, at $645,592 in total drug cost. In 2023, CMS named 1,185 claims across 34 drugs.

Part D claims, 20241,452
Drugs named by CMS29
Total drug cost$645,592
Part D patients204

Dr. Williams' Part D claims by kind of drug, 2024

  • Generic677 claims47%
  • Brand-name775 claims53%

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

  • Antibiotics3%49 of 1,452 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: 1,1852024: 1,2788%

Drugs named by CMS: 29 in 2024, 34 in 2023.

See all prescribing by Dr. Williams

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. Chienyi Ruby Williams scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 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.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

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. Chienyi Ruby Williams received $7,768 in industry payments from 2017 to 2025

CMS Open Payments shows 267 general payments to Dr. Williams from 43 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 85% of the total. Medical Device Business Services, Inc. paid the most, $1,127.

General payments to Dr. Williams by program year, 2017 to 2025

General payments to Dr. Williams by kind, 2017 to 2025

$7.8Kin total
  • Food and beverage$6,62685%
  • Travel and lodging$1,07714%
  • Education$651%

Companies that paid Dr. Williams the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Williams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Chienyi Ruby Williams graduated from St. George's University School of Medicine

Dr. Williams graduated from St. George's University School of Medicine in 2010.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in critical care medicineAmerican Board of Internal Medicine
  3. Board certified in pulmonary diseaseAmerican Board of Internal Medicine
  4. Board certified in sleep medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Chienyi Ruby Williams accepts plans from 18 insurance carriers

Dr. Williams is in network with 18 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +10 more carriersWith a free account

Plan types Dr. Williams accepts, by number of carriers

  1. PPO12
  2. Medicare10
  3. HMO9
  4. POS6
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Chienyi Ruby Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Chienyi Ruby 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. Chienyi Ruby Williams' NPI number?

Dr. Chienyi Ruby Williams' NPI number is 1437474863. It was assigned on March 29, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Chienyi Ruby Williams?

Dr. Chienyi Ruby Williams is a pulmonologist in Tallahassee, Florida. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Chienyi Ruby Williams practice?

Dr. Williams practices at 1300 Miccosukee Rd, Tallahassee, FL 32308. Dr. Williams' primary practice is Tallahassee Memorial Hospital in Tallahassee, Florida, part of Tallahassee Memorial HealthCare. Dmand AI also links Dr. Williams to 1 group practice or clinic.

What is Dr. Chienyi Ruby Williams' office phone number?

The practice phone on file for Dr. Williams is (850) 431-1155.

What is Dr. Chienyi Ruby Williams' medical license number?

Dr. Williams holds Florida license ME131048.

Which hospitals is Dr. Chienyi Ruby Williams affiliated with?

Dr. Williams practices at Tallahassee Memorial Hospital in Tallahassee, Florida.

What medical group is Dr. Chienyi Ruby Williams part of?

Dr. Williams is linked to TMH Physician Partners.

Does Dr. Chienyi Ruby Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 1,120 services in 2024, and Dr. Williams accepts Medicare assignment.

What is Dr. Chienyi Ruby Williams' MIPS score?

Dr. Williams' MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

How many Medicare patients does Dr. Chienyi Ruby Williams see?

CMS counts 541 Medicare patients who saw Dr. Williams in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

Is Dr. Chienyi Ruby Williams board certified?

Yes. Dr. Williams is board certified in critical care medicine by the American Board of Internal Medicine.

What services does Dr. Chienyi Ruby Williams bill to Medicare?

In 2024, Dr. Williams' most billed Medicare services were hospital inpatient care (99233), critical care (99291) and office visit, established patient (99214).

Where did Dr. Chienyi Ruby Williams go to medical school?

Dr. Williams graduated from St. George's University School of Medicine in 2010.

What drugs does Dr. Chienyi Ruby Williams prescribe most?

In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Albuterol Sulfate Hfa, Trelegy Ellipta and Breo Ellipta.

Has Dr. Chienyi Ruby Williams received payments from drug or device companies?

CMS Open Payments shows $7,768 in general payments to Dr. Williams from 43 companies from 2017 to 2025. The largest total came from Medical Device Business Services, Inc.

How long has Dr. Chienyi Ruby Williams been practicing?

Dr. Williams graduated from medical school in 2010, 16 years ago.

What insurance does Dr. Chienyi Ruby Williams accept?

Dr. Williams is in network with 18 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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