Dr. Patrick W. Griffith, MD

  • Lake Charles, LA
  • Internist
NPI1194828301PAC ID5395655690
Medicare services, 2024
20,566
Medicare patients, 2024
853
Part D claims, 2024
24,696
Hospital affiliations
5
Industry payments
$5,964
Practice address
4345 Nelson Rd, Lake Charles, LA 70605
Practice phone
Call (337) 494-6800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Internal Medicine Clinic of Lake Charles

Lake Charles, Louisiana

See all 15 affiliations

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Dr. Patrick W. Griffith is an internist in Lake Charles, Louisiana

Dr. Griffith practices at Internal Medicine Clinic of Lake Charles in Lake Charles, Louisiana.

Dr. Griffith's NPI, 1194828301, was assigned on September 6, 2006. Dr. Griffith graduated from Louisiana State University School of Medicine in New Orleans in 1996. Dr. Griffith holds Louisiana license 022626.

NPI and contact details
Medicare PAC ID
5395655690
NPI enumeration date
September 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(337) 494-6800
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

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

Dr. Patrick W. Griffith practices at Internal Medicine Clinic of Lake Charles in Lake Charles, Louisiana

Dr. Griffith's primary practice is Internal Medicine Clinic of Lake Charles, at 4345 Nelson Rd, Lake Charles, LA 70605 in Calcasieu Parish. The practice phone is (337) 494-6800.

  • Internal Medicine Clinic of Lake Charles
    4345 Nelson Rd, Lake Charles, LA 70605 · Calcasieu ParishPhone(337) 494-6800

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

Dr. Patrick W. Griffith is affiliated with 13 sites of care and 2 medical groups

Dr. Griffith's primary practice is Internal Medicine Clinic of Lake Charles in Lake Charles, Louisiana. Dr. Griffith is also affiliated with Lake Charles Memorial Hospital. The medical group on file is Memorial Internal Medicine - 3rd Avenue. Dmand AI also links Dr. Griffith to 4 more hospitals, 3 home health agencies, 2 skilled nursing facilities, 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 15 affiliations for Dr. Griffith

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

Dmand AI tracks the EHR system at Dr. Patrick W. Griffith's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Griffith practices, 12 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Internal Medicine Clinic of Lake CharlesAvailable with a free account
+12 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Patrick W. Griffith is one of 1,571 internists in Louisiana

Internal medicine is Dr. Griffith's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Griffith is licensed in Louisiana.

Specialties and state licenses

  • Internal medicine, LouisianaPrimaryLicense 022626 · taxonomy 207R00000X

Internists near Dr. Griffith

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. Patrick W. Griffith billed Medicare for 20,566 services in 2024

CMS data shows 20,566 Medicare services from Dr. Griffith across 32 procedure codes in 2024, for 853 Medicare patients. Medicare paid $232,191 for them.

Medicare services, 202420,566
Medicare patients853
Paid by Medicare$232,191
Procedure codes32

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

  • 2023
  • 2024
Drugs given in the office
2023: 7642024: 16,8782109%
Office and hospital visits
2023: 2,0962024: 1,9865%
Other services
2023: 8282024: 7766%
Tests and treatments
2023: 4572024: 4928%
Lab and pathology
2023: 2762024: 2558%
Surgery
2023: 1762024: 1802%

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

  • In an office20,14698%
  • In a facility4212%

Dr. Griffith compared with the Louisiana median for internists, 2024

  • Dr. Griffith
  • Louisiana median
Medicare services
20,566vs 42148.9 times
Medicare patients
853vs 1605.3 times
Part D claims
24,115vs 40859.1 times

Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.

Dr. Griffith'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. Griffith

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

Dr. Patrick W. Griffith treated 853 Medicare patients in 2024, average age 75

CMS counts 853 Medicare patients who saw Dr. Griffith in 2024. The largest group is 65 to 74, with 371 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Griffith's median patient age at 68, with 55% women.

Medicare patients, 2024853
Average age75
Average risk score1.39
Also on Medicaid11%

Dr. Griffith's Medicare patients by age, 2024

Dr. Griffith's Medicare patients by sex, 2024

  • Women48757%
  • Men36643%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Mood disorders49%
  5. Depression48%
  6. Anxiety47%
  7. Ischemic heart disease42%
  8. Heart failure39%

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

Dr. Griffith'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

  • Women55%
  • Men45%

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

Dr. Patrick W. Griffith wrote 24,696 Medicare Part D claims in 2024

In 2024, Dr. Griffith wrote 24,696 Medicare Part D claims for 856 patients. 89% of them were for generic drugs. CMS names the drug for 24,115 of them, across 227 drugs with 11 or more claims each, at $1,171,797 in total drug cost. In 2023, CMS named 22,310 claims across 217 drugs.

Part D claims, 202424,696
Drugs named by CMS227
Total drug cost$1.2M
Part D patients856

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

  • Generic21,883 claims89%
  • Brand-name2,661 claims11%
  • Other152 claims1%

Dr. Griffith'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 Dr. Griffith's Part D claims, 2024

  • Opioids3%730 of 24,696 claims
  • Antibiotics3%825 of 24,696 claims
  • Antipsychotics, patients 65 and over0%96 of 24,696 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 22,3102024: 24,1158%

Drugs named by CMS: 227 in 2024, 217 in 2023.

See all prescribing by Dr. Griffith

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. Patrick W. Griffith ranks in the 71st percentile for removal or shaving of skin growth in Medicare

Dr. Griffith accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 20 procedures of removal or shaving of skin growth by Dr. Griffith, more than 71% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Griffith ranks in Medicare procedure volume

Colonoscopy
48th percentile21 procedures
Removal or shaving of skin growth
71st percentile20 procedures
Removal of skin lesions
58th percentile11 procedures

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

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. Patrick W. Griffith received $5,964 in industry payments from 2016 to 2025

CMS Open Payments shows 218 general payments to Dr. Griffith from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Allergan Inc. paid the most, $2,175.

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

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

$6Kin total
  • Food and beverage$3,69762%
  • Speaker and faculty fees$2,14036%
  • Education$1282%

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

Share is of all general payments to this clinician.

See all payments to Dr. Griffith

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

Dr. Patrick W. Griffith graduated from Louisiana State University School of Medicine in New Orleans

Dr. Griffith graduated from Louisiana State University School of Medicine in New Orleans in 1996.

  1. Medical schoolLouisiana State University School of Medicine in New Orleans

Source: Dmand AI Professional Profile Data

Sources for Dr. Patrick W. Griffith'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 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)Doctors and Clinicians Utilization Data (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 Dr. Patrick W. Griffith

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. Patrick W. Griffith's NPI number?

Dr. Patrick W. Griffith's NPI number is 1194828301. It was assigned on September 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Patrick W. Griffith?

Dr. Patrick W. Griffith is an internist in Lake Charles, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Patrick W. Griffith practice?

Dr. Griffith practices at 4345 Nelson Rd, Lake Charles, LA 70605. Dr. Griffith's primary practice is Internal Medicine Clinic of Lake Charles in Lake Charles, Louisiana. Dmand AI also links Dr. Griffith to 4 hospitals, 3 home health agencies, 2 skilled nursing facilities, 1 physician office, 1 group practice or clinic and 1 medical group.

What is Dr. Patrick W. Griffith's office phone number?

The practice phone on file for Dr. Griffith is (337) 494-6800.

What is Dr. Patrick W. Griffith's medical license number?

Dr. Griffith holds Louisiana license 022626.

Which hospitals is Dr. Patrick W. Griffith affiliated with?

Dr. Griffith is affiliated with Lake Charles Memorial Hospital. Dmand AI links Dr. Griffith to 4 more hospitals.

What medical group is Dr. Patrick W. Griffith part of?

Dr. Griffith is linked to Memorial Internal Medicine - 3rd Avenue. Dmand AI links Dr. Griffith to 1 more medical group.

Does Dr. Patrick W. Griffith accept Medicare?

Yes. CMS data shows Dr. Griffith billed Medicare for 20,566 services in 2024, and Dr. Griffith accepts Medicare assignment.

How many Medicare patients does Dr. Patrick W. Griffith see?

CMS counts 853 Medicare patients who saw Dr. Griffith in 2024, with an average age of 75.

What services does Dr. Patrick W. Griffith bill to Medicare?

In 2024, Dr. Griffith's most billed Medicare services were injected or infused drug (J1071), office visit, established patient (99214) and medicare service (G0439).

Show 4 more questionsShow fewer questions

Where did Dr. Patrick W. Griffith go to medical school?

Dr. Griffith graduated from Louisiana State University School of Medicine in New Orleans in 1996.

What drugs does Dr. Patrick W. Griffith prescribe most?

In 2024 Medicare Part D data, Dr. Griffith's most prescribed drugs by claims were Levothyroxine Sodium, Alprazolam and Pantoprazole Sodium.

Has Dr. Patrick W. Griffith received payments from drug or device companies?

CMS Open Payments shows $5,964 in general payments to Dr. Griffith from 26 companies from 2016 to 2025. The largest total came from Allergan Inc.

How long has Dr. Patrick W. Griffith been practicing?

Dr. Griffith graduated from medical school in 1996, 30 years ago.

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