Mark Edwin Lightowler II, PA-C

  • Bridgeport, CT
  • Physician assistant
NPI1376000869PAC ID9739422379
Medicare services, 2024
12
Medicare patients, 2024
49
Part D claims, 2024
284
MIPS score, 2024
90
Hospital affiliations
1
Practice address
2800 Main St, Bridgeport, CT 06606
Practice phone
Call (203) 576-5551
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St. Vincent's Medical Center

Hospital · Bridgeport, Connecticut

See all 5 affiliations

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Mark Edwin Lightowler II is a physician assistant in Bridgeport, Connecticut

Mark Lightowler practices at St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare.

Mark Lightowler's NPI, 1376000869, was assigned on February 21, 2019. Mark Lightowler graduated from Tufts University School of Medicine in 2019. Mark Lightowler holds Connecticut license 5633.

NPI and contact details
Medicare PAC ID
9739422379
NPI enumeration date
February 21, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(203) 576-5551
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

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

Mark Edwin Lightowler II practices at St. Vincent's Medical Center in Bridgeport, Connecticut

Mark Lightowler's primary practice is St. Vincent's Medical Center, at 2800 Main St, Bridgeport, CT 06606 in Fairfield County. The practice phone is (203) 576-5551.

Source: Dmand AI Affiliation Data

Mark Edwin Lightowler II is affiliated with 1 site of care and 4 medical groups

Mark Lightowler's primary practice is St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Mark Lightowler to 3 more medical groups, each named with a free account.

See all 5 affiliations for Mark Lightowler

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mark Edwin Lightowler II's practice

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

EHR by site
SiteEHR vendor and product
St. Vincent's Medical CenterAvailable with a free account
+3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Mark Edwin Lightowler II is one of 1,682 physician assistants in Connecticut

Physician assistant is Mark Lightowler's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mark Lightowler is licensed in Connecticut.

Specialties and state licenses

  • Physician assistant, ConnecticutPrimaryLicense 5633 · taxonomy 363A00000X

Physician assistants near Mark Lightowler

Counts of physician assistants 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

Mark Edwin Lightowler II billed Medicare for 12 services in 2024

CMS data shows 12 Medicare services from Mark Lightowler across 1 procedure code in 2024, for 49 Medicare patients. Medicare paid $1,747 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202412
Medicare patients49
Paid by Medicare$1,747
Procedure codes1

Mark Lightowler compared with the Connecticut median for physician assistants, 2024

  • Mark Lightowler
  • Connecticut median
Medicare services
12vs 28696% below
Medicare patients
49vs 10051% below
Part D claims
250vs 29315% below

Medians across 1,046 physician assistants in Connecticut with Dmand AI profiles that report each measure.

Mark Lightowler'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

Mark Edwin Lightowler II treated 49 Medicare patients in 2024, average age 78

CMS counts 49 Medicare patients who saw Mark Lightowler in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have arthritis, and 75% have high blood pressure. 35% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mark Lightowler's median patient age at 65, with 56% women.

Medicare patients, 202449
Average age78
Average risk score1.42
Also on Medicaid35%

Mark Lightowler's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Mark Lightowler's Medicare patients by sex, 2024

  • Women3469%
  • Men1531%

Chronic conditions among Mark Lightowler's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Anxiety43%
  5. Ischemic heart disease41%
  6. Mood disorders37%
  7. COPD31%
  8. Depression31%

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

Mark Lightowler's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Mark Edwin Lightowler II wrote 284 Medicare Part D claims in 2024

In 2024, Mark Lightowler wrote 284 Medicare Part D claims for 95 patients. 96% of them were for generic drugs. CMS names the drug for 250 of them, across 6 drugs with 11 or more claims each, at $686 in total drug cost.

Part D claims, 2024284
Drugs named by CMS6
Total drug cost$686
Part D patients95

Mark Lightowler's Part D claims by kind of drug, 2024

  • Generic272 claims96%
  • Brand-name12 claims4%

Mark Lightowler'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 Mark Lightowler's Part D claims, 2024

  • Opioids26%75 of 284 claims
  • Antibiotics6%18 of 284 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Mark Lightowler

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

Mark Edwin Lightowler II 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 Mark Lightowler for performance year 2024, reported as part of a group. Mark Lightowler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Mark Lightowler'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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Mark Edwin Lightowler II received $147 in industry payments in 2025

CMS Open Payments shows 2 general payments to Mark Lightowler from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Si-bone, Inc. paid the most, $101.

Companies that paid Mark Lightowler the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Mark Lightowler

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

Mark Edwin Lightowler II graduated from Tufts University School of Medicine

Mark Lightowler graduated from Tufts University School of Medicine in 2019.

  1. Medical schoolTufts University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Mark Edwin Lightowler II'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Training, board certification and membershipsDmand AI Professional Profile 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 Mark Edwin Lightowler II

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

What is Mark Edwin Lightowler II's NPI number?

Mark Edwin Lightowler II's NPI number is 1376000869. It was assigned on February 21, 2019, and it is active in the NPI Registry.

What does Mark Edwin Lightowler II specialize in?

Mark Edwin Lightowler II is a physician assistant in Bridgeport, Connecticut. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Mark Edwin Lightowler II practice?

Mark Lightowler practices at 2800 Main St, Bridgeport, CT 06606. Mark Lightowler's primary practice is St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare. Dmand AI also links Mark Lightowler to 3 medical groups.

What is Mark Edwin Lightowler II's office phone number?

The practice phone on file for Mark Lightowler is (203) 576-5551.

What is Mark Edwin Lightowler II's medical license number?

Mark Lightowler holds Connecticut license 5633.

Which hospitals is Mark Edwin Lightowler II affiliated with?

Mark Lightowler practices at St. Vincent's Medical Center in Bridgeport, Connecticut.

What medical group is Mark Edwin Lightowler II part of?

Mark Lightowler is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Mark Lightowler to 3 more medical groups.

Does Mark Edwin Lightowler II accept Medicare?

Yes. CMS data shows Mark Lightowler billed Medicare for 12 services in 2024, and Mark Lightowler accepts Medicare assignment.

What is Mark Edwin Lightowler II's MIPS score?

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

How many Medicare patients does Mark Edwin Lightowler II see?

CMS counts 49 Medicare patients who saw Mark Lightowler in 2024, with an average age of 78.

Show 5 more questionsShow fewer questions

What services does Mark Edwin Lightowler II bill to Medicare?

In 2024, Mark Lightowler's most billed Medicare services were surgery: bones and joints (27447).

Where did Mark Edwin Lightowler II go to medical school?

Mark Lightowler graduated from Tufts University School of Medicine in 2019.

What drugs does Mark Edwin Lightowler II prescribe most?

In 2024 Medicare Part D data, Mark Lightowler's most prescribed drugs by claims were Oxycodone HCl, Famotidine and Methocarbamol.

Has Mark Edwin Lightowler II received payments from drug or device companies?

CMS Open Payments shows $147 in general payments to Mark Lightowler from 2 companies from 2025 to 2025. The largest total came from Si-bone, Inc.

How long has Mark Edwin Lightowler II been practicing?

Mark Lightowler graduated from medical school in 2019, 7 years ago.

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