Dr. Data G. Longjohn, MD
- Medicare services, 2024
- 80
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 2,548
- Industry payments
- $496
- Affiliated sites
- 1
- Practice address
- 1537 Straight Path, Wyandanch, NY 11798
- Practice phone
- Call (631) 253-0270
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Skope Medical Care
Wyandanch, New York
Find Dr. Longjohn'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. Data G. Longjohn is an internist in Wyandanch, New York
Dr. Longjohn practices at Skope Medical Care in Wyandanch, New York.
Dr. Longjohn's NPI, 1215075882, was assigned on February 3, 2007. Dr. Longjohn graduated from University of Ibadan in 1985. Dr. Longjohn holds New York license 211159.
- NPI
- 1215075882NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082503479
- NPI enumeration date
- February 3, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 253-0270
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Data G. Longjohn practices at Skope Medical Care in Wyandanch, New York
Dr. Longjohn's primary practice is Skope Medical Care, at 1537 Straight Path, Wyandanch, NY 11798 in Suffolk County. The practice phone is (631) 253-0270.
- Skope Medical Care1537 Straight Path, Wyandanch, NY 11798 · Suffolk CountyPhone(631) 253-0270
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Data G. Longjohn is affiliated with 2 sites of care
Dr. Longjohn's primary practice is Skope Medical Care in Wyandanch, New York. Dmand AI also links Dr. Longjohn to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Data G. Longjohn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Longjohn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Skope Medical Care | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Data G. Longjohn is one of 9,643 internists in New York
Internal medicine is Dr. Longjohn's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Longjohn is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Longjohn
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. Data G. Longjohn billed Medicare for 80 services in 2024
CMS data shows 80 Medicare services from Dr. Longjohn across 4 procedure codes in 2024, for 25 Medicare patients. Medicare paid $7,074 for them. Every service was in an office.
Dr. Longjohn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 812024: 5335%
- Other services
- 2023: 352024: 2723%
- Tests and treatments
- 2023: 152024: 0100%
Dr. Longjohn compared with the New York median for internists, 2024
- Dr. Longjohn
- New York median
- Medicare services
- 80vs 42681% below
- Medicare patients
- 25vs 15884% below
- Part D claims
- 2,153vs 6223.5 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Longjohn'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Data G. Longjohn treated 25 Medicare patients in 2024, average age 70
CMS counts 25 Medicare patients who saw Dr. Longjohn in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.73, 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. Longjohn's median patient age at 61, with 52% women.
Dr. Longjohn's Medicare patients by sex, 2024
- Women1144%
- Men1456%
Chronic conditions among Dr. Longjohn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Longjohn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Data G. Longjohn wrote 2,548 Medicare Part D claims in 2024
In 2024, Dr. Longjohn wrote 2,548 Medicare Part D claims for 146 patients. 83% of them were for generic drugs. CMS names the drug for 2,153 of them, across 54 drugs with 11 or more claims each, at $163,772 in total drug cost. In 2023, CMS named 2,343 claims across 55 drugs.
Dr. Longjohn's Part D claims by kind of drug, 2024
- Generic2,104 claims83%
- Brand-name323 claims13%
- Other121 claims5%
Dr. Longjohn'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. Longjohn's Part D claims, 2024
- Antibiotics1%28 of 2,548 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: 2,3432024: 2,1538%
Drugs named by CMS: 54 in 2024, 55 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
How Dr. Data G. Longjohn takes part in Medicare
Dr. Longjohn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Data G. Longjohn received $496 in industry payments from 2016 to 2022
CMS Open Payments shows 6 general payments to Dr. Longjohn from 5 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $176.
General payments to Dr. Longjohn by program year, 2016 to 2022
Companies that paid Dr. Longjohn the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Data G. Longjohn graduated from University of Ibadan
Dr. Longjohn graduated from University of Ibadan in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Data G. Longjohn'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. Data G. Longjohn
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. Data G. Longjohn's NPI number?
Dr. Data G. Longjohn's NPI number is 1215075882. It was assigned on February 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Data G. Longjohn?
Dr. Data G. Longjohn is an internist in Wyandanch, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Data G. Longjohn practice?
Dr. Longjohn practices at 1537 Straight Path, Wyandanch, NY 11798. Dr. Longjohn's primary practice is Skope Medical Care in Wyandanch, New York. Dmand AI also links Dr. Longjohn to 1 physician office.
What is Dr. Data G. Longjohn's office phone number?
The practice phone on file for Dr. Longjohn is (631) 253-0270.
What is Dr. Data G. Longjohn's medical license number?
Dr. Longjohn holds New York license 211159.
Does Dr. Data G. Longjohn accept Medicare?
Yes. CMS data shows Dr. Longjohn billed Medicare for 80 services in 2024, and Dr. Longjohn accepts Medicare assignment.
How many Medicare patients does Dr. Data G. Longjohn see?
CMS counts 25 Medicare patients who saw Dr. Longjohn in 2024, with an average age of 70.
What services does Dr. Data G. Longjohn bill to Medicare?
In 2024, Dr. Longjohn's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0444).
Where did Dr. Data G. Longjohn go to medical school?
Dr. Longjohn graduated from University of Ibadan in 1985.
What drugs does Dr. Data G. Longjohn prescribe most?
In 2024 Medicare Part D data, Dr. Longjohn's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Fluticasone Propionate.
Has Dr. Data G. Longjohn received payments from drug or device companies?
CMS Open Payments shows $496 in general payments to Dr. Longjohn from 5 companies from 2016 to 2022. The largest total came from Abbott Laboratories.
How long has Dr. Data G. Longjohn been practicing?
Dr. Longjohn graduated from medical school in 1985, 41 years ago.
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