Dr. Howard D. Klein, MD

  • Dunedin, FL
  • Gastroenterologist
NPI1285717033PAC ID7214061316
Medicare services, 2024
706
Medicare patients, 2024
309
Part D claims, 2024
1,110
Publications
1
Clinical trials
2
Practice address
646 Virginia St, Dunedin, FL 34698
Practice phone
Call (727) 347-0005
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

West Central Gastroenterology

Dunedin, Florida

See all 6 affiliations

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Dr. Howard D. Klein is a gastroenterologist in Dunedin, Florida

Dr. Klein practices at West Central Gastroenterology in Dunedin, Florida.

Dr. Klein's NPI, 1285717033, was assigned on October 23, 2006. Dr. Klein graduated from SUNY Downstate Health Sciences University in 1987. Dr. Klein holds Florida license ME58666.

NPI and contact details
Medicare PAC ID
7214061316
NPI enumeration date
October 23, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(727) 347-0005
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

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

Dr. Howard D. Klein practices at West Central Gastroenterology in Dunedin, Florida

Dr. Klein's primary practice is West Central Gastroenterology, at 646 Virginia St, Dunedin, FL 34698 in Pinellas County. The practice phone is (727) 347-0005.

  • West Central Gastroenterology
    646 Virginia St, Dunedin, FL 34698 · Pinellas CountyPhone(727) 347-0005

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

Dr. Howard D. Klein is affiliated with 4 sites of care and 2 medical groups

Dr. Klein's primary practice is West Central Gastroenterology in Dunedin, Florida. Dr. Klein is also affiliated with Morton Plant Hospital. The medical group on file is Gastro Florida. Dmand AI also links Dr. Klein to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Klein

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

Dmand AI tracks the EHR system at Dr. Howard D. Klein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
West Central GastroenterologyAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Howard D. Klein is one of 1,364 gastroenterologists in Florida

Gastroenterology is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Klein is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Klein's licenses on file in 4 states: Florida, Maine, Pennsylvania and Colorado.

Specialties and state licenses

  • Gastroenterology, FloridaPrimaryLicense ME58666 · 1990 to 2027 · taxonomy 207RG0100X
  • Maine licenseSince 1992
  • Pennsylvania license1988 to 2002
  • Colorado license1990 to 1991

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver and gastroduodenitis among the conditions Dr. Klein treats.

Gastroenterologists near Dr. Klein

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

1,364gastroenterologists in Florida
3gastroenterologists in Dunedin

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

Dr. Howard D. Klein billed Medicare for 706 services in 2024

CMS data shows 706 Medicare services from Dr. Klein across 12 procedure codes in 2024, for 309 Medicare patients. Medicare paid $71,068 for them.

Medicare services, 2024706
Medicare patients309
Paid by Medicare$71,068
Procedure codes12

Dr. Klein's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5482024: 44120%
Surgery
2023: 2492024: 22410%
Other services
2023: 202024: 215%
Imaging
2023: 242024: 2017%

Where Dr. Klein's Medicare services took place, 2024

  • In an office47367%
  • In a facility23333%

Dr. Klein compared with the Florida median for gastroenterologists, 2024

  • Dr. Klein
  • Florida median
Medicare services
706vs 58221% above
Medicare patients
309vs 322Close to median
Part D claims
986vs 50296% above

Medians across 1,320 gastroenterologists in Florida with Dmand AI profiles that report each measure.

Dr. Klein'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. Klein

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

Dr. Howard D. Klein treated 309 Medicare patients in 2024, average age 76

CMS counts 309 Medicare patients who saw Dr. Klein in 2024. The largest group is 65 to 74, with 137 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.30, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 69, with 51% women.

Medicare patients, 2024309
Average age76
Average risk score1.30

Dr. Klein's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Klein's Medicare patients by sex, 2024

  • Women17356%
  • Men13644%

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

  1. High cholesterol75%
  2. High blood pressure74%
  3. Arthritis52%
  4. Ischemic heart disease39%
  5. Mood disorders29%
  6. Anxiety28%
  7. Chronic kidney disease28%
  8. Depression28%

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

Dr. Klein's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women51%
  • Men47%

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

Dr. Howard D. Klein wrote 1,110 Medicare Part D claims in 2024

In 2024, Dr. Klein wrote 1,110 Medicare Part D claims for 385 patients. 82% of them were for generic drugs. CMS names the drug for 986 of them, across 20 drugs with 11 or more claims each, at $190,349 in total drug cost. In 2023, CMS named 1,122 claims across 24 drugs.

Part D claims, 20241,110
Drugs named by CMS20
Total drug cost$190,349
Part D patients385

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

  • Generic907 claims82%
  • Brand-name203 claims18%

Dr. Klein'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: 1,1222024: 98612%

Drugs named by CMS: 20 in 2024, 24 in 2023.

See all prescribing by Dr. Klein

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

Dr. Howard D. Klein ranks in the 67th percentile for colonoscopy in Medicare

Dr. Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 60 procedures of colonoscopy by Dr. Klein, more than 67% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Klein ranks in Medicare procedure volume

Colonoscopy
67th percentile60 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
65th percentile55 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Howard D. Klein has 1 publication on record

Dmand AI links 1 paper to Dr. Klein. Dr. Klein's most frequent co-author is Chester J. Maxson, MD.

Papers1

Dr. Klein's most frequent co-authors

Recent publications by Dr. Klein

See all 1 publications and co-authors

See who Dr. Klein researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klein works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Howard D. Klein has worked on 2 clinical trials

Dmand AI links Dr. Klein to 2 clinical trials, 2 of them phase 3 studies. Conditions studied include Constipation, Bronchiolitis Obliterans Syndrome and Signs and Symptoms, Digestive. Bausch Health Americas, Inc. sponsors the most, 2.

Conditions in Dr. Klein's trials

  • Constipation
  • Bronchiolitis Obliterans Syndrome
  • Signs and Symptoms, Digestive

Investigators on the most trials with Dr. Klein

Recent clinical trials with Dr. Klein

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Howard D. Klein received $9,504 in industry payments from 2016 to 2025

CMS Open Payments shows 424 general payments to Dr. Klein from 45 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 89% of the total. Abbvie Inc. paid the most, $1,970.

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

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

$9.5Kin total
  • Food and beverage$8,45889%
  • Travel and lodging$99310%
  • Education$541%

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

Share is of all general payments to this clinician.

See all payments to Dr. Klein

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

Dr. Howard D. Klein has 1 award and honors on record

Dmand AI lists 1 award for Dr. Klein, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Klein

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Howard D. Klein graduated from SUNY Downstate Health Sciences University

Dr. Klein graduated from SUNY Downstate Health Sciences University in 1987. Dr. Klein is a member of ACG and ACP.

  1. Medical schoolSUNY Downstate Health Sciences University
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Howard D. Klein accepts plans from 17 insurance carriers

Dr. Klein is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Cigna
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • +9 more carriersWith a free account

Plan types Dr. Klein accepts, by number of carriers

  1. PPO12
  2. HMO9
  3. Medicare9
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Howard D. Klein'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Howard D. Klein

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. Howard D. Klein's NPI number?

Dr. Howard D. Klein's NPI number is 1285717033. It was assigned on October 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Howard D. Klein?

Dr. Howard D. Klein is a gastroenterologist in Dunedin, Florida. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Howard D. Klein practice?

Dr. Klein practices at 646 Virginia St, Dunedin, FL 34698. Dr. Klein's primary practice is West Central Gastroenterology in Dunedin, Florida. Dmand AI also links Dr. Klein to 2 group practices and clinics and 1 medical group.

What is Dr. Howard D. Klein's office phone number?

The practice phone on file for Dr. Klein is (727) 347-0005.

What is Dr. Howard D. Klein's medical license number?

Dr. Klein holds Florida license ME58666, one of the licenses on file in 4 states.

Which states has Dr. Howard D. Klein been licensed in?

Dmand AI has state licenses on file for Dr. Klein in Florida (1990 to 2027), Maine (since 1992), Pennsylvania (1988 to 2002) and Colorado (1990 to 1991).

Which hospitals is Dr. Howard D. Klein affiliated with?

Dr. Klein is affiliated with Morton Plant Hospital.

What medical group is Dr. Howard D. Klein part of?

Dr. Klein is linked to Gastro Florida. Dmand AI links Dr. Klein to 1 more medical group.

Does Dr. Howard D. Klein accept Medicare?

Yes. CMS data shows Dr. Klein billed Medicare for 706 services in 2024, and Dr. Klein accepts Medicare assignment.

How many Medicare patients does Dr. Howard D. Klein see?

CMS counts 309 Medicare patients who saw Dr. Klein in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Howard D. Klein board certified?

Yes. Dr. Klein is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Howard D. Klein bill to Medicare?

In 2024, Dr. Klein's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).

Where did Dr. Howard D. Klein go to medical school?

Dr. Klein graduated from SUNY Downstate Health Sciences University in 1987.

What drugs does Dr. Howard D. Klein prescribe most?

In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Sod Sulf-Potass Sulf-Mag Sulf.

Has Dr. Howard D. Klein received payments from drug or device companies?

CMS Open Payments shows $9,504 in general payments to Dr. Klein from 45 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Howard D. Klein been practicing?

Dr. Klein graduated from medical school in 1987, 39 years ago.

Does Dr. Howard D. Klein do research?

Dmand AI links 1 publication to Dr. Klein. Dr. Klein has worked on 2 clinical trials.

Who does Dr. Howard D. Klein publish with?

Dr. Klein's most frequent co-authors are Chester J. Maxson, MD (1 shared paper).

What insurance does Dr. Howard D. Klein accept?

Dr. Klein is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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