NPPES file of Aug 9, 2026

John Isaac Blanco Heintz, MD, PHD

Internal Medicine Physician · Philadelphia, PA

John Isaac Blanco Heintz, MD, PHD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1669965059, issued on Jun 11, 2018. Check the license (Pennsylvania MD478200, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669965059
Name
John Isaac Blanco Heintz
Credential
MD, PHD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD478200 PA
35.142497 OH
Self-reported in NPPES; status is on the state search
Practice location
1207 Chestnut St, Philadelphia, PA 19107
Phone
(267) 725-0252
Enumerated
Jun 11, 2018
Record last updated
Sep 16, 2022
Fax
(215) 309-1129
Medicare enrollment
Enrolled (PECOS I20220928002195); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1207 Chestnut St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brittney Antwi, DMDDentist1508650029
  2. Lane Diflavis, LCSWClinical Social Worker1346612967
  3. Lisa Knoflicek, MDPediatrics Physician1720184807
  4. Carlos Morales Mitti, B.A.Community Health Worker1740416320
  5. Kayla Orenstein, CRNPFamily Nurse Practitioner1437040177
  6. Luciana Pereira, RDRegistered Dietitian1568776490

Verify John Isaac Blanco Heintz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD478200
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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26% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,363 Medicare Part D claims for 127 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. John Heintz2,363
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium135 claims
  2. Gabapentin114 claims
  3. Amlodipine Besylate102 claims
  4. Omeprazole82 claims
  5. Losartan Potassium70 claims
  6. Albuterol Sulfate Hfa66 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $24.97

1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Heintz$24.97
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Isaac Blanco Heintz among 7,300 internal medicine physician records in Pennsylvania

John Isaac Blanco Heintz, MD, PHD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 71% of them.

  • NPI issued2018 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2018 · median 2008 among the 4,208 with a school on file
  • Record last updated2022 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,855 internal medicine physician records list a practice address in Philadelphia

They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. William Brady, MDPhiladelphia, PA 191071831187731
  2. Eileen Carpenter, MDPhiladelphia, PA 191071205805827
  3. Lillian Cohn, M.D.Philadelphia, PA 191071538160825
  4. Allan Crimm, M.D.Philadelphia, PA 191071720089170
  5. Lewis Deeugenio, M.D.Philadelphia, PA 191071780664847
  6. Richard Feldman, MDPhiladelphia, PA 191071417958661
  7. Jane Fitzpatrick, MDPhiladelphia, PA 191071003880675
  8. Zuleika Font, M.D.Philadelphia, PA 191071760483945

Common questions

What is John Isaac Blanco Heintz, MD, PHD's NPI number?

John Isaac Blanco Heintz, MD, PHD's National Provider Identifier (NPI) is 1669965059, issued on Jun 11, 2018. An NPI identifies a provider in billing; it is not a license.

Where is John Isaac Blanco Heintz, MD, PHD located?

The NPPES record lists a practice address at 1207 Chestnut St, Philadelphia, PA, 19107. Phone: (267) 725-0252. Providers update this record themselves, so call before visiting.

How can I verify John Isaac Blanco Heintz, MD, PHD's license?

NPPES lists Pennsylvania license number MD478200, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Isaac Blanco Heintz, MD, PHD prescribe under Medicare Part D?

In 2024, John Isaac Blanco Heintz, MD, PHD had 2,363 Medicare Part D claims for 127 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is John Isaac Blanco Heintz, MD, PHD's MIPS final score?

The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.