Dr. Alexander Nicholas Prendergast, DO
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 282
- Industry payments
- $239
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 5501 Old York Rd, Philadelphia, PA 19141
- Practice phone
- Call (215) 456-6611
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jefferson Einstein Hospital
Philadelphia, Pennsylvania
Find Dr. Prendergast's professional email, personal email and mobile number
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Dr. Alexander Nicholas Prendergast is an internist in Philadelphia, Pennsylvania
Dr. Prendergast practices at Jefferson Einstein Hospital in Philadelphia, Pennsylvania.
Dr. Prendergast's NPI, 1609444652, was assigned on June 16, 2021. Dr. Prendergast holds Pennsylvania license OS023863.
- NPI
- 1609444652NPI Registry (opens in a new tab)
- NPI enumeration date
- June 16, 2021
- NPI status
- Active
- Practice phone
- (215) 456-6611
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Alexander Nicholas Prendergast practices at Jefferson Einstein Hospital in Philadelphia, Pennsylvania
Dr. Prendergast's primary practice is Jefferson Einstein Hospital, at 5501 Old York Rd, Philadelphia, PA 19141 in Philadelphia County. The practice phone is (215) 456-6611.
- Jefferson Einstein Hospital5501 Old York Rd, Philadelphia, PA 19141 · Philadelphia CountyPhone(215) 456-6611
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alexander Nicholas Prendergast is affiliated with 1 site of care
Dr. Prendergast's primary practice is Jefferson Einstein Hospital in Philadelphia, Pennsylvania.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Alexander Nicholas Prendergast's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Prendergast practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jefferson Einstein Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander Nicholas Prendergast is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Prendergast's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Prendergast is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Prendergast
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. Alexander Nicholas Prendergast treated 19 Medicare patients in 2024, average age 73
CMS counts 19 Medicare patients who saw Dr. Prendergast in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.36, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Chronic conditions among Dr. Prendergast's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease74%
- Diabetes68%
- Anxiety58%
- Arthritis58%
- Depression58%
- Mood disorders58%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Nicholas Prendergast wrote 282 Medicare Part D claims in 2024
In 2024, Dr. Prendergast wrote 282 Medicare Part D claims for 45 patients. 72% of them were for generic drugs. CMS names the drug for 56 of them, across 4 drugs with 11 or more claims each, at $894 in total drug cost. In 2023, CMS named 241 claims across 14 drugs.
Dr. Prendergast's Part D claims by kind of drug, 2024
- Generic202 claims72%
- Brand-name61 claims22%
- Other19 claims7%
Dr. Prendergast'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2412024: 5677%
Drugs named by CMS: 4 in 2024, 14 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. Alexander Nicholas Prendergast received $239 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Prendergast from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Motiva USA, LLC paid the most, $163.
General payments to Dr. Prendergast by program year, 2024 to 2025
Companies that paid Dr. Prendergast the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Alexander Nicholas Prendergast'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 Data |
| Medicare patients and the all-payer patient panel | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Alexander Nicholas Prendergast
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What is Dr. Alexander Nicholas Prendergast's NPI number?
Dr. Alexander Nicholas Prendergast's NPI number is 1609444652. It was assigned on June 16, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Nicholas Prendergast?
Dr. Alexander Nicholas Prendergast is an internist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alexander Nicholas Prendergast practice?
Dr. Prendergast practices at 5501 Old York Rd, Philadelphia, PA 19141. Dr. Prendergast's primary practice is Jefferson Einstein Hospital in Philadelphia, Pennsylvania.
What is Dr. Alexander Nicholas Prendergast's office phone number?
The practice phone on file for Dr. Prendergast is (215) 456-6611.
What is Dr. Alexander Nicholas Prendergast's medical license number?
Dr. Prendergast holds Pennsylvania license OS023863.
How many Medicare patients does Dr. Alexander Nicholas Prendergast see?
CMS counts 19 Medicare patients who saw Dr. Prendergast in 2024, with an average age of 73.
What drugs does Dr. Alexander Nicholas Prendergast prescribe most?
In 2024 Medicare Part D data, Dr. Prendergast's most prescribed drugs by claims were Atorvastatin Calcium, Hydralazine HCl and Isosorbide Mononitrate ER.
Has Dr. Alexander Nicholas Prendergast received payments from drug or device companies?
CMS Open Payments shows $239 in general payments to Dr. Prendergast from 2 companies from 2024 to 2025. The largest total came from Motiva USA, LLC.
How long has Dr. Alexander Nicholas Prendergast been practicing?
Dr. Prendergast's NPI was assigned in 2021.
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