Dr. Joseph W. Maslak, MD

  • Inverness, FL
  • Internist
NPI1497754022PAC ID3971571670
Medicare services, 2024
391
Medicare patients, 2024
107
Part D claims, 2024
13
Hospital affiliations
1
Industry payments
$591
Practice address
502 W Highland Blvd, Inverness, FL 34452
Practice phone
Call (352) 726-1551
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

HCA Florida Citrus Hospital

Hospital · Inverness, Florida

See all 3 affiliations

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Dr. Joseph W. Maslak is an internist in Inverness, Florida

Dr. Maslak practices at HCA Florida Citrus Hospital in Inverness, Florida, part of HCA Healthcare.

Dr. Maslak's NPI, 1497754022, was assigned on July 15, 2005. Dr. Maslak graduated from St. George's University School of Medicine in 1995. Dr. Maslak holds Florida license ME153211.

NPI and contact details
Medicare PAC ID
3971571670
NPI enumeration date
July 15, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(352) 726-1551
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
57
Medical school graduation
1995

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

Dr. Joseph W. Maslak practices at HCA Florida Citrus Hospital in Inverness, Florida

Dr. Maslak's primary practice is HCA Florida Citrus Hospital, at 502 W Highland Blvd, Inverness, FL 34452 in Citrus County. The practice phone is (352) 726-1551.

Source: Dmand AI Affiliation Data

Dr. Joseph W. Maslak is affiliated with 1 site of care and 2 medical groups

Dr. Maslak's primary practice is HCA Florida Citrus Hospital in Inverness, Florida, part of HCA Healthcare. The medical group on file is Hospital Medicine Services of Florida. Dmand AI also links Dr. Maslak to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Maslak

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

Dmand AI tracks the EHR system at Dr. Joseph W. Maslak's practice

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

EHR by site
SiteEHR vendor and product
HCA Florida Citrus HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joseph W. Maslak is one of 9,009 internists in Florida

Internal medicine is Dr. Maslak's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Maslak is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Maslak's licenses on file in 6 states: Florida, Colorado, California, Illinois, Utah and New York.

Specialties and state licenses

  • Internal medicine, FloridaPrimaryLicense ME153211 · 2021 to 2026 · taxonomy 207R00000X
  • Colorado license2013 to 2023
  • California license2017 to 2021
  • Illinois license1999 to 2014
  • Utah license1997 to 2002
  • New York license1998 to 2000

Clinical focus

Dmand AI lists cardiac arrhythmia, congestive heart failure and heart attack among the conditions Dr. Maslak treats.

Internists near Dr. Maslak

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. Joseph W. Maslak billed Medicare for 391 services in 2024

CMS data shows 391 Medicare services from Dr. Maslak across 4 procedure codes in 2024, for 107 Medicare patients. Medicare paid $34,292 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024391
Medicare patients107
Paid by Medicare$34,292
Procedure codes4

Dr. Maslak's Medicare services by type, 2021 to 2024

  • 2021
  • 2024
Office and hospital visits
2021: 6882024: 39143%

Dr. Maslak compared with the Florida median for internists, 2024

  • Dr. Maslak
  • Florida median
Medicare services
391vs 55530% below
Medicare patients
107vs 21550% below
Part D claims
12vs 46697% below

Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.

Dr. Maslak'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.

See all procedures by Dr. Maslak

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Joseph W. Maslak treated 107 Medicare patients in 2024, average age 75

CMS counts 107 Medicare patients who saw Dr. Maslak in 2024. The largest group is 75 to 84, with 37 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.28, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Maslak's median patient age at 66, with 47% women.

Medicare patients, 2024107
Average age75
Average risk score2.28
Also on Medicaid25%

Dr. Maslak's Medicare patients by age, 2024

Dr. Maslak's Medicare patients by sex, 2024

  • Women5148%
  • Men5652%

Chronic conditions among Dr. Maslak's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease56%
  4. Ischemic heart disease55%
  5. Arthritis49%
  6. Anxiety48%
  7. Atrial fibrillation48%
  8. Heart failure47%

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

Dr. Maslak's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women47%
  • Men53%

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

Dr. Joseph W. Maslak wrote 13 Medicare Part D claims in 2024

In 2024, Dr. Maslak wrote 13 Medicare Part D claims. 85% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $160 in total drug cost. In 2020, CMS named 12 claims across 1 drug.

Part D claims, 202413
Drugs named by CMS1
Total drug cost$160

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

  • Generic11 claims85%
  • Brand-name and other2 claims15%

Dr. Maslak's most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 122021: 12No change

Drugs named by CMS: 1 in 2021, 1 in 2020.

See all prescribing by Dr. Maslak

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

How Dr. Joseph W. Maslak takes part in Medicare

Dr. Maslak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Joseph W. Maslak received $591 in industry payments from 2016 to 2024

CMS Open Payments shows 4 general payments to Dr. Maslak from 2 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 62% of the total. Stryker Corporation paid the most, $392.

General payments to Dr. Maslak by program year, 2016 to 2024

General payments to Dr. Maslak by kind, 2016 to 2024

$591in total
  • Food and beverage$36962%
  • Grants$22238%

Companies that paid Dr. Maslak the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Maslak

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

Dr. Joseph W. Maslak has 1 award and honors on record

Dmand AI lists 1 award for Dr. Maslak.

Awards and honors for Dr. Maslak

  1. Undated
    • Fellow

Source: Dmand AI Professional Profile Data

Dr. Joseph W. Maslak graduated from St. George's University School of Medicine

Dr. Maslak graduated from St. George's University School of Medicine in 1995. Dr. Maslak is a member of ACP and SHM.

  1. Medical schoolSt. George's University School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Joseph W. Maslak accepts plans from 2 insurance carriers

Dr. Maslak is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • CMS Medicare

Plan types Dr. Maslak accepts, by number of carriers

  1. Medicare2
  2. EPO1
  3. HMO1
  4. POS1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Joseph W. Maslak'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Joseph W. Maslak

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. Joseph W. Maslak's NPI number?

Dr. Joseph W. Maslak's NPI number is 1497754022. It was assigned on July 15, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Joseph W. Maslak?

Dr. Joseph W. Maslak is an internist in Inverness, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Joseph W. Maslak practice?

Dr. Maslak practices at 502 W Highland Blvd, Inverness, FL 34452. Dr. Maslak's primary practice is HCA Florida Citrus Hospital in Inverness, Florida, part of HCA Healthcare. Dmand AI also links Dr. Maslak to 1 medical group.

What is Dr. Joseph W. Maslak's office phone number?

The practice phone on file for Dr. Maslak is (352) 726-1551.

What is Dr. Joseph W. Maslak's medical license number?

Dr. Maslak holds Florida license ME153211, one of the licenses on file in 6 states.

Which states has Dr. Joseph W. Maslak been licensed in?

Dmand AI has state licenses on file for Dr. Maslak in Florida (2021 to 2026), Colorado (2013 to 2023), California (2017 to 2021), Illinois (1999 to 2014), Utah (1997 to 2002) and New York (1998 to 2000).

Which hospitals is Dr. Joseph W. Maslak affiliated with?

Dr. Maslak practices at HCA Florida Citrus Hospital in Inverness, Florida.

What medical group is Dr. Joseph W. Maslak part of?

Dr. Maslak is linked to Hospital Medicine Services of Florida. Dmand AI links Dr. Maslak to 1 more medical group.

Does Dr. Joseph W. Maslak accept Medicare?

Yes. CMS data shows Dr. Maslak billed Medicare for 391 services in 2024, and Dr. Maslak accepts Medicare assignment.

How many Medicare patients does Dr. Joseph W. Maslak see?

CMS counts 107 Medicare patients who saw Dr. Maslak in 2024, with an average age of 75.

Show 7 more questionsShow fewer questions

Is Dr. Joseph W. Maslak board certified?

Yes. Dr. Maslak is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Joseph W. Maslak bill to Medicare?

In 2024, Dr. Maslak's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).

Where did Dr. Joseph W. Maslak go to medical school?

Dr. Maslak graduated from St. George's University School of Medicine in 1995.

What drugs does Dr. Joseph W. Maslak prescribe most?

In 2021 Medicare Part D data, Dr. Maslak's most prescribed drugs by claims were Pantoprazole Sodium.

Has Dr. Joseph W. Maslak received payments from drug or device companies?

CMS Open Payments shows $591 in general payments to Dr. Maslak from 2 companies from 2016 to 2024. The largest total came from Stryker Corporation.

How long has Dr. Joseph W. Maslak been practicing?

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

What insurance does Dr. Joseph W. Maslak accept?

Dr. Maslak is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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