Dr. William J. Howitt, MD
- Medicare services, 2024
- 33
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 1,140
- Industry payments
- $3,517
- Affiliated sites
- 1
- Practice address
- 3801 S National Ave, Springfield, MO 65807
- Practice phone
- Call (417) 269-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cox Medical Center South
Springfield, Missouri
Find Dr. Howitt's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William J. Howitt is a family medicine physician in Springfield, Missouri
Dr. Howitt practices at Cox Medical Center South in Springfield, Missouri.
Dr. Howitt's NPI, 1306834288, was assigned on October 13, 2005. Dr. Howitt holds Missouri license 36287.
- NPI
- 1306834288NPI Registry (opens in a new tab)
- NPI enumeration date
- October 13, 2005
- NPI status
- Active
- Practice phone
- (417) 269-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William J. Howitt practices at Cox Medical Center South in Springfield, Missouri
Dr. Howitt's primary practice is Cox Medical Center South, at 3801 S National Ave, Springfield, MO 65807 in Greene County. The practice phone is (417) 269-6000.
- Cox Medical Center South3801 S National Ave, Springfield, MO 65807 · Greene CountyPhone(417) 269-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William J. Howitt is affiliated with 2 sites of care and 2 medical groups
Dr. Howitt's primary practice is Cox Medical Center South in Springfield, Missouri. The medical group on file is OCH Evergreen Clinic. Dmand AI also links Dr. Howitt to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William J. Howitt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Howitt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cox Medical Center South | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William J. Howitt is one of 2,412 family medicine physicians in Missouri
Family medicine is Dr. Howitt's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Howitt is licensed in Missouri.
Specialties and state licenses
- Family medicine, MissouriPrimary
Family medicine physicians near Dr. Howitt
Counts of family medicine physicians 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. William J. Howitt billed Medicare for 33 services in 2024
CMS data shows 33 Medicare services from Dr. Howitt across 2 procedure codes in 2024, for 25 Medicare patients. Medicare paid $377 for them. Every service was in an office.
Dr. Howitt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2502024: 3387%
- Other services
- 2023: 342024: 0100%
Dr. Howitt compared with the Missouri median for family medicine physicians, 2024
- Dr. Howitt
- Missouri median
- Medicare services
- 33vs 33390% below
- Medicare patients
- 25vs 15684% below
- Part D claims
- 846vs 1,23131% below
Medians across 2,555 family medicine physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Howitt'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
Dr. William J. Howitt treated 25 Medicare patients in 2024, average age 63
CMS counts 25 Medicare patients who saw Dr. Howitt in 2024. The largest group is under 65, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Howitt's median patient age at 65, with 75% women.
Dr. Howitt's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Howitt's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety56%
- COPD48%
- Arthritis44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Howitt'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
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William J. Howitt wrote 1,140 Medicare Part D claims in 2024
In 2024, Dr. Howitt wrote 1,140 Medicare Part D claims for 213 patients. 90% of them were for generic drugs. CMS names the drug for 846 of them, across 32 drugs with 11 or more claims each, at $42,338 in total drug cost. In 2023, CMS named 8,644 claims across 135 drugs.
Dr. Howitt's Part D claims by kind of drug, 2024
- Generic1,022 claims90%
- Brand-name102 claims9%
- Other16 claims1%
Dr. Howitt'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. Howitt's Part D claims, 2024
- Opioids27%310 of 1,140 claims
- Antibiotics1%11 of 1,140 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: 8,6442024: 84690%
Drugs named by CMS: 32 in 2024, 135 in 2023.
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
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Dr. William J. Howitt received $3,517 in industry payments from 2016 to 2024
CMS Open Payments shows 253 general payments to Dr. Howitt from 32 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Supernus Pharmaceuticals, Inc. paid the most, $571. It also lists 5 research payments totaling $7,567 from 2017 to 2024.
General payments to Dr. Howitt by program year, 2016 to 2024
General payments to Dr. Howitt by kind, 2016 to 2024
- Food and beverage$3,506100%
- Education$110%
Companies that paid Dr. Howitt the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William J. Howitt's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William J. Howitt
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. William J. Howitt's NPI number?
Dr. William J. Howitt's NPI number is 1306834288. It was assigned on October 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William J. Howitt?
Dr. William J. Howitt is a family medicine physician in Springfield, Missouri. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. William J. Howitt practice?
Dr. Howitt practices at 3801 S National Ave, Springfield, MO 65807. Dr. Howitt's primary practice is Cox Medical Center South in Springfield, Missouri. Dmand AI also links Dr. Howitt to 1 group practice or clinic and 1 medical group.
What is Dr. William J. Howitt's office phone number?
The practice phone on file for Dr. Howitt is (417) 269-6000.
What is Dr. William J. Howitt's medical license number?
Dr. Howitt holds Missouri license 36287.
What medical group is Dr. William J. Howitt part of?
Dr. Howitt is linked to OCH Evergreen Clinic. Dmand AI links Dr. Howitt to 1 more medical group.
Does Dr. William J. Howitt accept Medicare?
Yes. CMS data shows Dr. Howitt billed Medicare for 33 services in 2024.
How many Medicare patients does Dr. William J. Howitt see?
CMS counts 25 Medicare patients who saw Dr. Howitt in 2024, with an average age of 63.
What services does Dr. William J. Howitt bill to Medicare?
In 2024, Dr. Howitt's most billed Medicare services were care management and other visits (99490) and office visit, established patient (99213).
What drugs does Dr. William J. Howitt prescribe most?
In 2024 Medicare Part D data, Dr. Howitt's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone-Acetaminophen and Pregabalin.
Has Dr. William J. Howitt received payments from drug or device companies?
CMS Open Payments shows $3,517 in general payments to Dr. Howitt from 32 companies from 2016 to 2024. The largest total came from Supernus Pharmaceuticals, Inc.
How long has Dr. William J. Howitt been practicing?
Dr. Howitt graduated from medical school in 1980, 46 years ago.
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