Manju Mary John

  • Middletown, CT
  • Cardiologist
NPI1194987313PAC ID5698992725
Medicare services, 2024
2,102
Medicare patients, 2024
1,008
Part D claims, 2024
6,108
MIPS score, 2024
90
Hospital affiliations
2
Practice address
420 Saybrook Rd, Middletown, CT 06457
Practice phone
Call (860) 246-2071
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Hartford Healthcare Medical Group Specialists

Middletown, Connecticut

See all 9 affiliations

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Manju Mary John is a cardiologist in Middletown, Connecticut

Manju John practices at Hartford Healthcare Medical Group Specialists in Middletown, Connecticut.

Manju John's NPI, 1194987313, was assigned on June 29, 2008. Manju John holds Connecticut license 052856.

NPI and contact details
Medicare PAC ID
5698992725
NPI enumeration date
June 29, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(860) 246-2071
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
50
Medical school graduation
2002

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

Manju Mary John practices at Hartford Healthcare Medical Group Specialists in Middletown, Connecticut

Manju John's primary practice is Hartford Healthcare Medical Group Specialists, at 420 Saybrook Rd, Middletown, CT 06457 in Lower Ct River Vly County. The practice phone is (860) 246-2071.

  • Hartford Healthcare Medical Group Specialists
    420 Saybrook Rd, Middletown, CT 06457 · Lower Ct River Vly CountyPhone(860) 246-2071

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

Manju Mary John is affiliated with 6 sites of care and 3 medical groups

Manju John's primary practice is Hartford Healthcare Medical Group Specialists in Middletown, Connecticut. Manju John is also affiliated with Middlesex Hospital. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Manju John to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 9 affiliations for Manju John

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

Dmand AI tracks the EHR system at Manju Mary John's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Manju John practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hartford Healthcare Medical Group SpecialistsAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Manju Mary John is one of 423 cardiologists in Connecticut

Cardiovascular disease is Manju John's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Manju John is licensed in Connecticut.

Specialties and state licenses

  • Cardiovascular disease, ConnecticutPrimaryLicense 052856 · taxonomy 207RC0000X

Cardiologists near Manju John

Counts of cardiologists 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

Manju Mary John billed Medicare for 2,102 services in 2024

CMS data shows 2,102 Medicare services from Manju John across 17 procedure codes in 2024, for 1,008 Medicare patients. Medicare paid $119,510 for them.

Medicare services, 20242,102
Medicare patients1,008
Paid by Medicare$119,510
Procedure codes17

Manju John's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1,2662024: 1,1936%
Office and hospital visits
2023: 5732024: 6096%
Drugs given in the office
2023: 1962024: 14029%
Other services
2023: 1312024: 10718%
Imaging
2023: 652024: 5318%

Where Manju John's Medicare services took place, 2024

  • In an office1,51972%
  • In a facility58328%

Manju John compared with the Connecticut median for cardiologists, 2024

  • Manju John
  • Connecticut median
Medicare services
2,102vs 1,35855% above
Medicare patients
1,008vs 68048% above
Part D claims
5,878vs 1,5733.7 times

Medians across 415 cardiologists in Connecticut with Dmand AI profiles that report each measure.

Manju John'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

Manju Mary John treated 1,008 Medicare patients in 2024, average age 77

CMS counts 1,008 Medicare patients who saw Manju John in 2024. The largest group is 75 to 84, with 383 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Manju John's median patient age at 68, with 56% women.

Medicare patients, 20241,008
Average age77
Average risk score1.54
Also on Medicaid26%

Manju John's Medicare patients by age, 2024

Manju John's Medicare patients by sex, 2024

  • Women55555%
  • Men45345%

Chronic conditions among Manju John's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Ischemic heart disease45%
  5. Anxiety35%
  6. Atrial fibrillation34%
  7. Mood disorders34%
  8. Chronic kidney disease30%

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

Manju John's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Manju Mary John wrote 6,108 Medicare Part D claims in 2024

In 2024, Manju John wrote 6,108 Medicare Part D claims for 878 patients. 83% of them were for generic drugs. CMS names the drug for 5,878 of them, across 46 drugs with 11 or more claims each, at $1,108,832 in total drug cost. In 2023, CMS named 4,340 claims across 45 drugs.

Part D claims, 20246,108
Drugs named by CMS46
Total drug cost$1.1M
Part D patients878

Manju John's Part D claims by kind of drug, 2024

  • Generic5,096 claims83%
  • Brand-name1,012 claims17%

Manju John'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: 4,3402024: 5,87835%

Drugs named by CMS: 46 in 2024, 45 in 2023.

See all prescribing by Manju John

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

Manju Mary John scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Manju John for performance year 2024, reported as part of a group. Manju John accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Manju John's MIPS scores, performance year 2024

  • 90of 100Final score
  • 83.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

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

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

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Manju Mary John received $1,427 in industry payments from 2016 to 2025

CMS Open Payments shows 88 general payments to Manju John from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Bristol-Myers Squibb Company paid the most, $256.

General payments to Manju John by program year, 2016 to 2025

General payments to Manju John by kind, 2016 to 2025

$1.4Kin total
  • Food and beverage$1,38897%
  • Education$393%

Companies that paid Manju John the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Manju John

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

Sources for Manju Mary John'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 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Manju Mary John

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

What is Manju Mary John's NPI number?

Manju Mary John's NPI number is 1194987313. It was assigned on June 29, 2008, and it is active in the NPI Registry.

What does Manju Mary John specialize in?

Manju Mary John is a cardiologist in Middletown, Connecticut. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Manju Mary John practice?

Manju John practices at 420 Saybrook Rd, Middletown, CT 06457. Manju John's primary practice is Hartford Healthcare Medical Group Specialists in Middletown, Connecticut. Dmand AI also links Manju John to 1 hospital, 3 group practices and clinics and 2 medical groups.

What is Manju Mary John's office phone number?

The practice phone on file for Manju John is (860) 246-2071.

What is Manju Mary John's medical license number?

Manju John holds Connecticut license 052856.

Which hospitals is Manju Mary John affiliated with?

Manju John is affiliated with Middlesex Hospital. Dmand AI links Manju John to 1 more hospital.

What medical group is Manju Mary John part of?

Manju John is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Manju John to 2 more medical groups.

Does Manju Mary John accept Medicare?

Yes. CMS data shows Manju John billed Medicare for 2,102 services in 2024, and Manju John accepts Medicare assignment.

What is Manju Mary John's MIPS score?

Manju John's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

How many Medicare patients does Manju Mary John see?

CMS counts 1,008 Medicare patients who saw Manju John in 2024, with an average age of 77.

Show 4 more questionsShow fewer questions

What services does Manju Mary John bill to Medicare?

In 2024, Manju John's most billed Medicare services were heart test or procedure (93010), heart test or procedure (93000) and office visit, established patient (99214).

What drugs does Manju Mary John prescribe most?

In 2024 Medicare Part D data, Manju John's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Eliquis.

Has Manju Mary John received payments from drug or device companies?

CMS Open Payments shows $1,427 in general payments to Manju John from 22 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.

How long has Manju Mary John been practicing?

Manju John graduated from medical school in 2002, 24 years ago.

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