Dr. Don C. Ng, MD

  • San Francisco, CA
  • Internist
NPI1487618492PAC ID0648355271
Medicare services, 2024
719
Medicare patients, 2024
196
Part D claims, 2024
4,352
Publications
1
MIPS score, 2024
85
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 8 affiliations

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Dr. Don C. Ng is an internist in San Francisco, California

Dr. Ng practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Ng's NPI, 1487618492, was assigned on April 14, 2006. Dr. Ng graduated from UC Davis School of Medicine in 1987. Dr. Ng holds California license G65345.

NPI and contact details
Medicare PAC ID
0648355271
NPI enumeration date
April 14, 2006
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
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Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Don C. Ng practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Ng'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.

Source: Dmand AI Affiliation Data

Dr. Don C. Ng is affiliated with 4 sites of care and 4 medical groups

Dr. Ng's 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. Ng to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 8 affiliations for Dr. Ng

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

Dmand AI tracks the EHR system at Dr. Don C. Ng's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ng practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Don C. Ng is one of 16,751 internists in California

Internal medicine is Dr. Ng's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ng is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ng is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G65345 · 1989 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute skin infection, alcohol use disorders, alzheimer's disease, aneurysm, atrial fibrillation and flutter, chronic anemia, chronic diabetes and chronic hypertension among the conditions Dr. Ng treats.

Internists near Dr. Ng

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. Don C. Ng billed Medicare for 719 services in 2024

CMS data shows 719 Medicare services from Dr. Ng across 4 procedure codes in 2024, for 196 Medicare patients. Medicare paid $43,002 for them. Every service was in an office.

Medicare services, 2024719
Medicare patients196
Paid by Medicare$43,002
Procedure codes4

Dr. Ng's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 2012024: 37587%
Office and hospital visits
2023: 3322024: 3444%

Dr. Ng compared with the California median for internists, 2024

  • Dr. Ng
  • California median
Medicare services
719vs 36199% above
Medicare patients
196vs 15130% above
Part D claims
3,739vs 4218.9 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Ng'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.

See all procedures by Dr. Ng

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

Dr. Don C. Ng treated 196 Medicare patients in 2024, average age 81

CMS counts 196 Medicare patients who saw Dr. Ng in 2024. The largest group is 85 and over, with 77 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 57% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ng's median patient age at 74, with 47% women.

Medicare patients, 2024196
Average age81
Average risk score1.31
Also on Medicaid57%

Dr. Ng's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ng's Medicare patients by sex, 2024

  • Women11157%
  • Men8543%

Chronic conditions among Dr. Ng's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol73%
  3. Diabetes37%
  4. Arthritis34%
  5. Chronic kidney disease34%
  6. Atrial fibrillation20%
  7. Mood disorders19%
  8. Depression18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ng's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women47%
  • Men51%

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

Dr. Don C. Ng wrote 4,352 Medicare Part D claims in 2024

In 2024, Dr. Ng wrote 4,352 Medicare Part D claims for 320 patients. 85% of them were for generic drugs. CMS names the drug for 3,739 of them, across 82 drugs with 11 or more claims each, at $486,936 in total drug cost. In 2023, CMS named 3,002 claims across 76 drugs.

Part D claims, 20244,352
Drugs named by CMS82
Total drug cost$486,936
Part D patients320

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

  • Generic3,684 claims85%
  • Brand-name656 claims15%
  • Other12 claims0%

Dr. Ng'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.

Drug classes CMS tracks in Dr. Ng's Part D claims, 2024

  • Opioids3%109 of 4,352 claims
  • Antibiotics1%22 of 4,352 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: 3,0022024: 3,73925%

Drugs named by CMS: 82 in 2024, 76 in 2023.

See all prescribing by Dr. Ng

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. Don C. Ng 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. Ng for performance year 2024, reported as part of a group. Dr. Ng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ng as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Ng's 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. Don C. Ng has 1 publication on record

Dmand AI links 1 paper to Dr. Ng in 2018. Dr. Ng's most frequent co-authors are Jane Jih, MD, MPH, Damond Barrick Ng, MD, MPH and Abby Wang, MD.

Papers1

Dr. Ng's most frequent co-authors

Recent publications by Dr. Ng

See all 1 publications and co-authors

See who Dr. Ng researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ng works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Don C. Ng has 1 award and honors on record

Dmand AI lists 1 award for Dr. Ng, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Ng

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Don C. Ng graduated from UC Davis School of Medicine

Dr. Ng graduated from UC Davis School of Medicine in 1987.

  1. Medical schoolUC Davis School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Don C. Ng accepts plans from 10 insurance carriers

Dr. Ng is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Ng accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. HMO4
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Don C. Ng'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand AI Professional Profile Data
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. Don C. Ng

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. Don C. Ng's NPI number?

Dr. Don C. Ng's NPI number is 1487618492. It was assigned on April 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Don C. Ng?

Dr. Don C. Ng is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Don C. Ng practice?

Dr. Ng practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Ng'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. Ng to 3 group practices and clinics and 3 medical groups.

What is Dr. Don C. Ng's office phone number?

The practice phone on file for Dr. Ng is (415) 353-2733.

What is Dr. Don C. Ng's medical license number?

Dr. Ng holds California license G65345.

Which hospitals is Dr. Don C. Ng affiliated with?

Dr. Ng practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Dr. Don C. Ng part of?

Dr. Ng is linked to UCSF Pediatrics. Dmand AI links Dr. Ng to 3 more medical groups.

Does Dr. Don C. Ng accept Medicare?

Yes. CMS data shows Dr. Ng billed Medicare for 719 services in 2024, and Dr. Ng accepts Medicare assignment.

Does Dr. Don C. Ng offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ng as offering telehealth services.

What is Dr. Don C. Ng's MIPS score?

Dr. Ng's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Don C. Ng see?

CMS counts 196 Medicare patients who saw Dr. Ng in 2024, with an average age of 81.

Is Dr. Don C. Ng board certified?

Yes. Dr. Ng is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Don C. Ng bill to Medicare?

In 2024, Dr. Ng's most billed Medicare services were office visit, established patient (99215), medicare service (G2212) and medicare service (G2211).

Where did Dr. Don C. Ng go to medical school?

Dr. Ng graduated from UC Davis School of Medicine in 1987.

What drugs does Dr. Don C. Ng prescribe most?

In 2024 Medicare Part D data, Dr. Ng's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.

How long has Dr. Don C. Ng been practicing?

Dr. Ng graduated from medical school in 1987, 39 years ago.

Does Dr. Don C. Ng do research?

Dmand AI links 1 publication to Dr. Ng.

Who does Dr. Don C. Ng publish with?

Dr. Ng's most frequent co-authors are Jane Jih, MD, MPH (1 shared paper), Damond Barrick Ng, MD, MPH (1 shared paper) and Abby Wang, MD (1 shared paper).

What insurance does Dr. Don C. Ng accept?

Dr. Ng is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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