Dr. David S. Hewitt, MD
- Medicare services, 2022
- 173
- Industry payments
- $629
- Insurance carriers
- 3
- State licenses
- 2
- Year NPI issued
- 2005
- Practice address
- 316 S Dunworth St, Visalia, CA 93292
- Practice phone
- Call (559) 625-0601
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Visalia Pathology Medical Group
Visalia, California
Find Dr. Hewitt'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. David S. Hewitt is a cytopathology physician in Visalia, California
Dr. Hewitt practices at Visalia Pathology Medical Group in Visalia, California.
Dr. Hewitt's NPI, 1124018148, was assigned on October 21, 2005. Dr. Hewitt graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1989. Dr. Hewitt holds California license A48679.
- NPI
- 1124018148NPI Registry (opens in a new tab)
- NPI enumeration date
- October 21, 2005
- NPI status
- Active
- Practice phone
- (559) 625-0601
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David S. Hewitt practices at Visalia Pathology Medical Group in Visalia, California
Dr. Hewitt's primary practice is Visalia Pathology Medical Group, at 316 S Dunworth St, Visalia, CA 93292 in Tulare County. The practice phone is (559) 625-0601.
- Visalia Pathology Medical Group316 S Dunworth St, Visalia, CA 93292 · Tulare CountyPhone(559) 625-0601
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David S. Hewitt is affiliated with 1 site of care
Dr. Hewitt's primary practice is Visalia Pathology Medical Group in Visalia, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. David S. Hewitt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hewitt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Visalia Pathology Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David S. Hewitt is one of 47 cytopathology physicians in California
Cytopathology is Dr. Hewitt's primary specialty in the NPI Registry, under taxonomy code 207ZC0500X. Dr. Hewitt is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dmand AI has Dr. Hewitt's licenses on file in 2 states: California and Louisiana.
Specialties and state licenses
- Cytopathology, CaliforniaPrimary
- Louisiana license
Cytopathology physicians near Dr. Hewitt
Counts of cytopathology 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. David S. Hewitt billed Medicare for 173 services in 2022
CMS data shows 173 Medicare services from Dr. Hewitt across 4 procedure codes in 2022. Medicare paid $7,053 for them. Every service was in an office.
Dr. Hewitt's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Lab and pathology
- 2021: 2,8732022: 17394%
Dr. Hewitt compared with the California median for cytopathology physicians, 2022
- Dr. Hewitt
- California median
- Medicare services
- 173vs 97682% below
Medians across 40 cytopathology physicians in California with Dmand AI profiles that report each measure.
Dr. Hewitt's most billed Medicare procedure codes, 2022
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hewitt and other cytopathology physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David S. Hewitt's patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Dr. Hewitt's median patient age at 41, with 67% women.
Dr. Hewitt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
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Dr. David S. Hewitt received $629 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Hewitt from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Haemonetics Corporation paid the most, $258.
General payments to Dr. Hewitt by program year, 2016 to 2025
Companies that paid Dr. Hewitt the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David S. Hewitt graduated from LSU Health Sciences Center New Orleans - School of Medicine
Dr. Hewitt graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1989.
- Medical school
- Board certified in anatomic pathology & clinical pathology
Source: Dmand AI Professional Profile Data
Dr. David S. Hewitt accepts plans from 3 insurance carriers
Dr. Hewitt is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and HCSC. PPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- HCSC
Plan types Dr. Hewitt accepts, by number of carriers
- PPO2
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. David S. Hewitt'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 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 Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. David S. Hewitt
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. David S. Hewitt's NPI number?
Dr. David S. Hewitt's NPI number is 1124018148. It was assigned on October 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David S. Hewitt?
Dr. David S. Hewitt is a cytopathology physician in Visalia, California. The primary specialty in the NPI Registry is Cytopathology Physician (taxonomy code 207ZC0500X).
Where does Dr. David S. Hewitt practice?
Dr. Hewitt practices at 316 S Dunworth St, Visalia, CA 93292. Dr. Hewitt's primary practice is Visalia Pathology Medical Group in Visalia, California.
What is Dr. David S. Hewitt's office phone number?
The practice phone on file for Dr. Hewitt is (559) 625-0601.
What is Dr. David S. Hewitt's medical license number?
Dr. Hewitt holds California license A48679, one of the licenses on file in 2 states.
Which states has Dr. David S. Hewitt been licensed in?
Dmand AI has state licenses on file for Dr. Hewitt in California (1990 to 2026) and Louisiana (1989 to 1997).
Does Dr. David S. Hewitt accept Medicare?
Yes. CMS data shows Dr. Hewitt billed Medicare for 173 services in 2022.
Is Dr. David S. Hewitt board certified?
Yes. Dr. Hewitt is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.
What services does Dr. David S. Hewitt bill to Medicare?
In 2022, Dr. Hewitt's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88307) and lab and pathology test (88342).
Where did Dr. David S. Hewitt go to medical school?
Dr. Hewitt graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1989.
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Has Dr. David S. Hewitt received payments from drug or device companies?
CMS Open Payments shows $629 in general payments to Dr. Hewitt from 7 companies from 2016 to 2025. The largest total came from Haemonetics Corporation.
How long has Dr. David S. Hewitt been practicing?
Dr. Hewitt graduated from medical school in 1989, 37 years ago.
What insurance does Dr. David S. Hewitt accept?
Dr. Hewitt is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and HCSC. PPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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