Natasha A. McMillan

  • New Hyde Park, NY
  • Gastroenterologist
NPI1225458003PAC ID0941686513
Medicare services, 2024
519
Medicare patients, 2024
389
Part D claims, 2024
426
MIPS score, 2024
93
Hospital affiliations
1
Practice address
27005 76th Ave, New Hyde Park, NY 11040
Practice phone
Call (516) 876-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Long Island Jewish Medical Center

New Hyde Park, New York

See all 3 affiliations

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Natasha A. McMillan is a gastroenterologist in New Hyde Park, New York

Natasha McMillan practices at Long Island Jewish Medical Center in New Hyde Park, New York.

Natasha McMillan's NPI, 1225458003, was assigned on April 21, 2014. Natasha McMillan graduated from State University of New York Downstate Medical Center College of Medicine in 2014. Natasha McMillan holds New York license 290617.

NPI and contact details
Medicare PAC ID
0941686513
NPI enumeration date
April 21, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(516) 876-6000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
38
Medical school graduation
2014

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

Natasha A. McMillan practices at Long Island Jewish Medical Center in New Hyde Park, New York

Natasha McMillan's primary practice is Long Island Jewish Medical Center, at 27005 76th Ave, New Hyde Park, NY 11040 in Nassau County. The practice phone is (516) 876-6000.

  • Long Island Jewish Medical Center
    27005 76th Ave, New Hyde Park, NY 11040 · Nassau CountyPhone(516) 876-6000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Natasha A. McMillan is affiliated with 2 sites of care and 1 medical group

Natasha McMillan's primary practice is Long Island Jewish Medical Center in New Hyde Park, New York. Natasha McMillan is also affiliated with Long Island Jewish Medical Center. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck.

See all 3 affiliations for Natasha McMillan

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Natasha A. McMillan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Natasha McMillan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Long Island Jewish Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Natasha A. McMillan is one of 1,583 gastroenterologists in New York

Gastroenterology is Natasha McMillan's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Natasha McMillan is licensed in New York.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 290617 · taxonomy 207RG0100X

Gastroenterologists near Natasha McMillan

Counts of gastroenterologists 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

Natasha A. McMillan billed Medicare for 519 services in 2024

CMS data shows 519 Medicare services from Natasha McMillan across 11 procedure codes in 2024, for 389 Medicare patients. Medicare paid $49,817 for them.

Medicare services, 2024519
Medicare patients389
Paid by Medicare$49,817
Procedure codes11

Natasha McMillan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6142024: 39536%
Surgery
2023: 1632024: 12424%

Where Natasha McMillan's Medicare services took place, 2024

  • In an office9618%
  • In a facility42382%

Natasha McMillan compared with the New York median for gastroenterologists, 2024

  • Natasha McMillan
  • New York median
Medicare services
519vs 42123% above
Medicare patients
389vs 23665% above
Part D claims
351vs 3828% below

Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.

Natasha McMillan'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 Natasha McMillan

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

Natasha A. McMillan treated 389 Medicare patients in 2024, average age 75

CMS counts 389 Medicare patients who saw Natasha McMillan in 2024. The largest group is 75 to 84, with 142 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 2.14, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Natasha McMillan's median patient age at 70, with 47% women.

Medicare patients, 2024389
Average age75
Average risk score2.14
Also on Medicaid24%

Natasha McMillan's Medicare patients by age, 2024

Natasha McMillan's Medicare patients by sex, 2024

  • Women22057%
  • Men16943%

Chronic conditions among Natasha McMillan's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis61%
  4. Ischemic heart disease54%
  5. Diabetes47%
  6. Mood disorders41%
  7. Anxiety39%
  8. Chronic kidney disease39%

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

Natasha McMillan's 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

  • Women47%
  • Men45%

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

Natasha A. McMillan wrote 426 Medicare Part D claims in 2024

In 2024, Natasha McMillan wrote 426 Medicare Part D claims for 165 patients. 92% of them were for generic drugs. CMS names the drug for 351 of them, across 5 drugs with 11 or more claims each, at $7,626 in total drug cost. In 2023, CMS named 219 claims across 3 drugs.

Part D claims, 2024426
Drugs named by CMS5
Total drug cost$7,626
Part D patients165

Natasha McMillan's Part D claims by kind of drug, 2024

  • Generic391 claims92%
  • Brand-name35 claims8%

Natasha McMillan'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 Natasha McMillan's Part D claims, 2024

  • Antibiotics7%28 of 426 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: 2192024: 35160%

Drugs named by CMS: 5 in 2024, 3 in 2023.

See all prescribing by Natasha McMillan

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

Natasha A. McMillan scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Natasha McMillan for performance year 2024, reported through an alternative payment model (APM). Natasha McMillan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 85 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Natasha McMillan, more than 73% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Natasha McMillan's MIPS scores, performance year 2024

  • 93of 100Final score
  • 79.8of 100Quality
  • 89of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Natasha McMillan ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
73rd percentile85 procedures
Colonoscopy
57th percentile37 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Natasha A. McMillan received $937 in industry payments from 2020 to 2025

CMS Open Payments shows 22 general payments to Natasha McMillan from 6 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $444.

General payments to Natasha McMillan by program year, 2020 to 2025

Companies that paid Natasha McMillan the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Natasha McMillan

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

Natasha A. McMillan graduated from State University of New York Downstate Medical Center College of Medicine

Natasha McMillan graduated from State University of New York Downstate Medical Center College of Medicine in 2014.

  1. Medical schoolState University of New York Downstate Medical Center College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Natasha A. McMillan'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Natasha A. McMillan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Natasha A. McMillan's NPI number?

Natasha A. McMillan's NPI number is 1225458003. It was assigned on April 21, 2014, and it is active in the NPI Registry.

What does Natasha A. McMillan specialize in?

Natasha A. McMillan is a gastroenterologist in New Hyde Park, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Natasha A. McMillan practice?

Natasha McMillan practices at 27005 76th Ave, New Hyde Park, NY 11040. Natasha McMillan's primary practice is Long Island Jewish Medical Center in New Hyde Park, New York.

What is Natasha A. McMillan's office phone number?

The practice phone on file for Natasha McMillan is (516) 876-6000.

What is Natasha A. McMillan's medical license number?

Natasha McMillan holds New York license 290617.

Which hospitals is Natasha A. McMillan affiliated with?

Natasha McMillan is affiliated with Long Island Jewish Medical Center.

What medical group is Natasha A. McMillan part of?

Natasha McMillan is linked to Northwell Health Physician Partners Cardiology at Great Neck.

Does Natasha A. McMillan accept Medicare?

Yes. CMS data shows Natasha McMillan billed Medicare for 519 services in 2024, and Natasha McMillan accepts Medicare assignment.

What is Natasha A. McMillan's MIPS score?

Natasha McMillan's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Natasha A. McMillan see?

CMS counts 389 Medicare patients who saw Natasha McMillan in 2024, with an average age of 75.

Show 5 more questionsShow fewer questions

What services does Natasha A. McMillan bill to Medicare?

In 2024, Natasha McMillan's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and surgery: digestive system (43239).

Where did Natasha A. McMillan go to medical school?

Natasha McMillan graduated from State University of New York Downstate Medical Center College of Medicine in 2014.

What drugs does Natasha A. McMillan prescribe most?

In 2024 Medicare Part D data, Natasha McMillan's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Sod Sulf-Potass Sulf-Mag Sulf.

Has Natasha A. McMillan received payments from drug or device companies?

CMS Open Payments shows $937 in general payments to Natasha McMillan from 6 companies from 2020 to 2025. The largest total came from Boston Scientific Corporation.

How long has Natasha A. McMillan been practicing?

Natasha McMillan graduated from medical school in 2014, 12 years ago.

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