West J Emerg Med
AwarenessEmergency Service, HospitalEmergency Treatment
Dr. Diane M. Sixsmith, MD
NPI1043237779PAC ID9335128636
- Medicare services, 2024
- 402
- Medicare patients, 2024
- 196
- Part D claims, 2024
- 175
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 1 Dakota Dr, New Hyde Park, NY 11042
- Practice phone
- Call (516) 622-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optum Extended Hours Center - Lake Success
Urgent Care Center · New Hyde Park, New York
Find Dr. Sixsmith'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. Diane M. Sixsmith is an emergency medicine physician in Brooklyn, New York
Dr. Sixsmith practices at Optum Extended Hours Center - Lake Success in New Hyde Park, New York.
Dr. Sixsmith's NPI, 1043237779, was assigned on July 17, 2006. Dr. Sixsmith graduated from University of Pittsburgh School of Medicine in 1973. Dr. Sixsmith holds New York license 122203.
NPI and contact details
- NPI
- 1043237779NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335128636
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Practice phone
- (516) 622-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Diane M. Sixsmith practices in New Hyde Park and Brooklyn
Dr. Sixsmith's primary practice is Optum Extended Hours Center - Lake Success, at 1 Dakota Dr, New Hyde Park, NY 11042. The practice phone is (516) 622-6000. Dr. Sixsmith also practices at Optum Urgent Care, 330 Court St, Brooklyn, NY 11231.
- Optum Extended Hours Center - Lake SuccessPrimary1 Dakota Dr, New Hyde Park, NY 11042Phone(516) 622-6000
- Optum Urgent Care330 Court St, Brooklyn, NY 11231 · Kings CountyPhone(516) 622-6000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Diane M. Sixsmith is affiliated with 5 sites of care and 3 medical groups
Dr. Sixsmith's primary practice is Optum Extended Hours Center - Lake Success in New Hyde Park, New York. Dr. Sixsmith is also affiliated with NewYork-Presbyterian Queens. The medical group on file is CareMount Medical. Dmand AI also links Dr. Sixsmith to 2 more group practices and clinics, 2 medical groups and 1 breast imaging center, each named with a free account. Dr. Sixsmith's employer is on file too: an urgent care center.
Optum Extended Hours Center - Lake SuccessPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Diane M. Sixsmith's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sixsmith practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optum Extended Hours Center - Lake Success | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Diane M. Sixsmith is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Sixsmith's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sixsmith is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Sixsmith
Counts of emergency medicine physicians 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. Diane M. Sixsmith billed Medicare for 402 services in 2024
CMS data shows 402 Medicare services from Dr. Sixsmith across 9 procedure codes in 2024, for 196 Medicare patients. Medicare paid $21,527 for them. Every service was in an office.
Medicare services, 2024402
Medicare patients196
Paid by Medicare$21,527
Procedure codes9
Dr. Sixsmith's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2912024: 24416%
- Lab and pathology
- 2023: 1572024: 1581%
Dr. Sixsmith compared with the New York median for emergency medicine physicians, 2024
- Dr. Sixsmith
- New York median
- Medicare services
- 402vs 21984% above
- Medicare patients
- 196vs 2169% below
- Part D claims
- 59vs 292.0 times
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Sixsmith'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.
Need commercial claims for Dr. Sixsmith?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sixsmith and other emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diane M. Sixsmith treated 196 Medicare patients in 2024, average age 76
CMS counts 196 Medicare patients who saw Dr. Sixsmith in 2024. The largest group is 75 to 84, with 91 patients. 71% of them have high cholesterol, and 50% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sixsmith's median patient age at 30, with 61% women.
Medicare patients, 2024196
Average age76
Average risk score0.97
Also on Medicaid6%
Dr. Sixsmith's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sixsmith's Medicare patients by sex, 2024
- Women14272%
- Men5428%
Chronic conditions among Dr. Sixsmith's Medicare patients, 2024
- High cholesterol71%
- High blood pressure50%
- Arthritis49%
- Osteoporosis28%
- Ischemic heart disease25%
- Anxiety23%
- Diabetes21%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sixsmith's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 30
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diane M. Sixsmith wrote 175 Medicare Part D claims in 2024
In 2024, Dr. Sixsmith wrote 175 Medicare Part D claims for 122 patients. 89% of them were for generic drugs. CMS names the drug for 59 of them, across 3 drugs with 11 or more claims each, at $252 in total drug cost. In 2023, CMS named 97 claims across 5 drugs.
Part D claims, 2024175
Drugs named by CMS3
Total drug cost$252
Part D patients122
Dr. Sixsmith's Part D claims by kind of drug, 2024
- Generic156 claims89%
- Brand-name and other19 claims11%
Dr. Sixsmith'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. Sixsmith's Part D claims, 2024
- Antibiotics42%74 of 175 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: 972024: 5939%
Drugs named by CMS: 3 in 2024, 5 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
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Dr. Diane M. Sixsmith has 1 publication on record
Dmand AI links 1 paper to Dr. Sixsmith.
Papers1
Recent publications by Dr. Sixsmith
See who Dr. Sixsmith researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sixsmith works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Diane M. Sixsmith received $21 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Sixsmith from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $21.
Companies that paid Dr. Sixsmith the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diane M. Sixsmith graduated from University of Pittsburgh School of Medicine
Dr. Sixsmith graduated from University of Pittsburgh School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diane M. Sixsmith'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Diane M. Sixsmith
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. Diane M. Sixsmith's NPI number?
Dr. Diane M. Sixsmith's NPI number is 1043237779. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane M. Sixsmith?
Dr. Diane M. Sixsmith is an emergency medicine physician in Brooklyn, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Diane M. Sixsmith practice?
Dr. Sixsmith practices at 1 Dakota Dr, New Hyde Park, NY 11042. Dr. Sixsmith also practices at 330 Court St, Brooklyn, NY 11231. Dr. Sixsmith's primary practice is Optum Extended Hours Center - Lake Success in New Hyde Park, New York. Dmand AI also links Dr. Sixsmith to 2 group practices and clinics, 2 medical groups and 1 breast imaging center.
What is Dr. Diane M. Sixsmith's office phone number?
The practice phone on file for Dr. Sixsmith is (516) 622-6000.
What is Dr. Diane M. Sixsmith's medical license number?
Dr. Sixsmith holds New York license 122203.
Which hospitals is Dr. Diane M. Sixsmith affiliated with?
Dr. Sixsmith is affiliated with NewYork-Presbyterian Queens.
What medical group is Dr. Diane M. Sixsmith part of?
Dr. Sixsmith is linked to CareMount Medical. Dmand AI links Dr. Sixsmith to 2 more medical groups.
Does Dr. Diane M. Sixsmith accept Medicare?
Yes. CMS data shows Dr. Sixsmith billed Medicare for 402 services in 2024.
How many Medicare patients does Dr. Diane M. Sixsmith see?
CMS counts 196 Medicare patients who saw Dr. Sixsmith in 2024, with an average age of 76.
What services does Dr. Diane M. Sixsmith bill to Medicare?
In 2024, Dr. Sixsmith's most billed Medicare services were office visit, established patient (99213), lab and pathology test (87811) and office visit, new patient (99202).
Show 5 more questionsShow fewer questions
Where did Dr. Diane M. Sixsmith go to medical school?
Dr. Sixsmith graduated from University of Pittsburgh School of Medicine in 1973.
What drugs does Dr. Diane M. Sixsmith prescribe most?
In 2024 Medicare Part D data, Dr. Sixsmith's most prescribed drugs by claims were Azithromycin, Sulfamethoxazole-Trimethoprim and Cephalexin.
Has Dr. Diane M. Sixsmith received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Sixsmith from 1 company from 2022 to 2022. The largest total came from Medtronic, Inc.
How long has Dr. Diane M. Sixsmith been practicing?
Dr. Sixsmith graduated from medical school in 1973, 53 years ago.
Does Dr. Diane M. Sixsmith do research?
Dmand AI links 1 publication to Dr. Sixsmith.
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