Dr. John R. Manzella Jr., DO

  • Philadelphia, PA
  • Internist
NPI1225012891
Part D claims, 2024
2,981
Industry payments
$1,273
Affiliated sites
1
Medical group
1
Insurance carriers
2
Practice address
3400 Spruce St, Philadelphia, PA 19104
Practice phone
Call (215) 762-0888
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Hospital of the University of Pennsylvania

Philadelphia, Pennsylvania

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Dr. John R. Manzella Jr. is an internist in Philadelphia, Pennsylvania

Dr. Manzella practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania.

Dr. Manzella's NPI, 1225012891, was assigned on December 6, 2005. Dr. Manzella graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1995. Dr. Manzella holds Pennsylvania license OS010263L.

NPI and contact details
NPI enumeration date
December 6, 2005
NPI status
Active
Practice phone
(215) 762-0888
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1995

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

Dr. John R. Manzella Jr. practices at Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania

Dr. Manzella's primary practice is Hospital of the University of Pennsylvania, at 3400 Spruce St, Philadelphia, PA 19104 in Philadelphia County. The practice phone is (215) 762-0888.

  • Hospital of the University of Pennsylvania
    3400 Spruce St, Philadelphia, PA 19104 · Philadelphia CountyPhone(215) 762-0888

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

Dr. John R. Manzella Jr. is affiliated with 2 sites of care and 1 medical group

Dr. Manzella's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania. Dmand AI also links Dr. Manzella to 1 group practice or clinic and 1 medical group, each named with a free account.

Hospital of the University of PennsylvaniaPhiladelphia, PennsylvaniaPrimary
1 group practice or clinicName with a free account1 medical groupName with a free account
See all 3 affiliations for Dr. Manzella

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

Dmand AI tracks the EHR system at Dr. John R. Manzella Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Hospital of the University of PennsylvaniaAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John R. Manzella Jr. is one of 5,665 internists in Pennsylvania

Internal medicine is Dr. Manzella's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Manzella is board certified in correctional medicine (caq) by the AOA Board of Internal Medicine. Dr. Manzella is licensed in Pennsylvania.

Specialties and state licenses

  • Internal medicine, PennsylvaniaPrimaryLicense OS010263L · taxonomy 207R00000X

Internists near Dr. Manzella

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. John R. Manzella Jr.'s patients have a median age of 59

Across all payers, Dmand AI patient panel data puts Dr. Manzella's median patient age at 59, with 53% women.

Dr. Manzella's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women53%
  • Men46%

Source: Dmand AI Patient Panel Data

Dr. John R. Manzella Jr. wrote 2,981 Medicare Part D claims in 2024

In 2024, Dr. Manzella wrote 2,981 Medicare Part D claims for 416 patients. 89% of them were for generic drugs. CMS names the drug for 2,322 of them, across 65 drugs with 11 or more claims each, at $119,943 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.

Part D claims, 20242,981
Drugs named by CMS65
Total drug cost$119,943
Part D patients416

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

  • Generic2,640 claims89%
  • Brand-name306 claims10%
  • Other35 claims1%

Dr. Manzella'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. Manzella's Part D claims, 2024

  • Opioids1%37 of 2,981 claims
  • Antibiotics2%58 of 2,981 claims
  • Antipsychotics, patients 65 and over1%19 of 2,981 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: 232024: 2,3229996%

Drugs named by CMS: 65 in 2024, 2 in 2023.

See all prescribing by Dr. Manzella

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. John R. Manzella Jr. received $1,273 in industry payments from 2016 to 2025

CMS Open Payments shows 11 general payments to Dr. Manzella from 6 drug and device companies from 2016 to 2025. Gifts make up the largest share, 83% of the total. Sanofi Pasteur Inc. paid the most, $1,060.

General payments to Dr. Manzella by program year, 2016 to 2025

General payments to Dr. Manzella by kind, 2016 to 2025

$1.3Kin total
  • Gifts$1,06083%
  • Food and beverage$21317%

Companies that paid Dr. Manzella the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Manzella

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

Dr. John R. Manzella Jr. graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury

Dr. Manzella graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1995. Dr. Manzella is a member of AOA.

  1. Medical schoolNew York Institute of Technology College of Osteopathic Medicine - Old Westbury
  2. Board certified in correctional medicine (caq)AOA Board of Internal Medicine
  3. Board certified in pediatricsAOA Board of Pediatrics
  4. Board certified in 1996 - 1999NJ State License
  5. Board certified in 1999 - 2026PA State License

Source: Dmand AI Professional Profile Data

Dr. John R. Manzella Jr. accepts plans from 2 insurance carriers

Dr. Manzella is in network with 2 carriers, including Aetna and Cigna. PPO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Aetna
  • Cigna

Plan types Dr. Manzella accepts, by number of carriers

  1. PPO2
  2. EPO1
  3. HMO1
  4. Medicare1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. John R. Manzella Jr.'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 Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. John R. Manzella Jr.

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. John R. Manzella Jr.'s NPI number?

Dr. John R. Manzella Jr.'s NPI number is 1225012891. It was assigned on December 6, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John R. Manzella Jr.?

Dr. John R. Manzella Jr. is an internist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. John R. Manzella Jr. practice?

Dr. Manzella practices at 3400 Spruce St, Philadelphia, PA 19104. Dr. Manzella's primary practice is Hospital of the University of Pennsylvania in Philadelphia, Pennsylvania. Dmand AI also links Dr. Manzella to 1 group practice or clinic and 1 medical group.

What is Dr. John R. Manzella Jr.'s office phone number?

The practice phone on file for Dr. Manzella is (215) 762-0888.

What is Dr. John R. Manzella Jr.'s medical license number?

Dr. Manzella holds Pennsylvania license OS010263L.

Is Dr. John R. Manzella Jr. board certified?

Yes. Dr. Manzella is board certified in correctional medicine (caq) by the AOA Board of Internal Medicine.

Where did Dr. John R. Manzella Jr. go to medical school?

Dr. Manzella graduated from New York Institute of Technology College of Osteopathic Medicine - Old Westbury in 1995.

What drugs does Dr. John R. Manzella Jr. prescribe most?

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

Has Dr. John R. Manzella Jr. received payments from drug or device companies?

CMS Open Payments shows $1,273 in general payments to Dr. Manzella from 6 companies from 2016 to 2025. The largest total came from Sanofi Pasteur Inc.

How long has Dr. John R. Manzella Jr. been practicing?

Dr. Manzella graduated from medical school in 1995, 31 years ago.

What insurance does Dr. John R. Manzella Jr. accept?

Dr. Manzella is in network with 2 carriers, including Aetna and Cigna. PPO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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