John A. Witman
- Medicare services, 2024
- 3,874
- Medicare patients, 2024
- 698
- Part D claims, 2024
- 10,926
- MIPS score, 2024
- 95
- Hospital affiliations
- 4
- Practice address
- 2010 Health Campus Drive, Harrisonburg, VA 22801
- Practice phone
- Call (540) 689-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Witman's professional email, personal email and mobile number
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John A. Witman is a family medicine physician in Rockingham, Virginia
John Witman practices at Sentara RMH Medical Center in Harrisonburg, Virginia, part of Sentara Health.
John Witman's NPI, 1033111448, was assigned on August 15, 2005. John Witman graduated from Eastern Virginia Medical School in 1996. John Witman holds Virginia license 0101057200.
- NPI
- 1033111448NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648302653
- NPI enumeration date
- August 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (540) 689-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John A. Witman practices at Sentara RMH Medical Center in Harrisonburg, Virginia
John Witman's primary practice is Sentara RMH Medical Center, at 2010 Health Campus Drive, Harrisonburg, VA 22801 in Harrisonburg City. The practice phone is (540) 689-1000.
- Sentara RMH Medical Center2010 Health Campus Drive, Harrisonburg, VA 22801 · Harrisonburg CityPhone(540) 689-1000
Source: Dmand AI Affiliation Data
John A. Witman is affiliated with 11 sites of care and 2 medical groups
John Witman's primary practice is Sentara RMH Medical Center in Harrisonburg, Virginia, part of Sentara Health. John Witman is also affiliated with University Medical Center. The medical group on file is Augusta Health. Dmand AI also links John Witman to 2 more hospitals, 4 home health agencies, 2 group practices and clinics, 1 skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John A. Witman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Witman practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sentara RMH Medical Center | Available with a free account |
| +10 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sentara Health and 6.2K+ hospitals, with verified contacts in the same login.
John A. Witman is one of 3,459 family medicine physicians in Virginia
Family medicine is John Witman's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. John Witman is licensed in Virginia.
Specialties and state licenses
- Family medicine, VirginiaPrimary
Family medicine physicians near John Witman
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
John A. Witman billed Medicare for 3,874 services in 2024
CMS data shows 3,874 Medicare services from John Witman across 28 procedure codes in 2024, for 698 Medicare patients. Medicare paid $170,327 for them. Every service was in an office.
John Witman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5902024: 1,6101%
- Other services
- 2023: 4162024: 1,377231%
- Tests and treatments
- 2023: 2752024: 31013%
- Lab and pathology
- 2023: 3,2672024: 27792%
- Surgery
- 2023: 7412024: 20872%
- Drugs given in the office
- 2023: 02024: 48
- Imaging
- 2023: 502024: 4412%
John Witman compared with the Virginia median for family medicine physicians, 2024
- John Witman
- Virginia median
- Medicare services
- 3,874vs 5437.1 times
- Medicare patients
- 698vs 2173.2 times
- Part D claims
- 10,206vs 72114.2 times
Medians across 3,387 family medicine physicians in Virginia with Dmand AI profiles that report each measure.
John Witman'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
John A. Witman treated 698 Medicare patients in 2024, average age 76
CMS counts 698 Medicare patients who saw John Witman in 2024. The largest group is 65 to 74, with 308 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Witman's median patient age at 70, with 56% women.
John Witman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Witman's Medicare patients by sex, 2024
- Women38755%
- Men31145%
Chronic conditions among John Witman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis38%
- Diabetes27%
- Ischemic heart disease18%
- Atrial fibrillation17%
- Anxiety15%
- Cancer15%
Share of Medicare patients with each condition. A patient can have several.
John Witman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John A. Witman wrote 10,926 Medicare Part D claims in 2024
In 2024, John Witman wrote 10,926 Medicare Part D claims for 907 patients. 91% of them were for generic drugs. CMS names the drug for 10,206 of them, across 137 drugs with 11 or more claims each, at $517,144 in total drug cost. In 2023, CMS named 8,012 claims across 124 drugs.
John Witman's Part D claims by kind of drug, 2024
- Generic9,923 claims91%
- Brand-name940 claims9%
- Other63 claims1%
John Witman'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 John Witman's Part D claims, 2024
- Opioids1%57 of 10,926 claims
- Antibiotics3%349 of 10,926 claims
- Antipsychotics, patients 65 and over0%41 of 10,926 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: 8,0122024: 10,20627%
Drugs named by CMS: 137 in 2024, 124 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
John A. Witman scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for John Witman for performance year 2024, reported through an alternative payment model (APM). John Witman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists John Witman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
John Witman's MIPS scores, performance year 2024
- 95of 100Final score
- 90.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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John A. Witman received $125 in industry payments from 2018 to 2023
CMS Open Payments shows 4 general payments to John Witman from 3 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $90.
General payments to John Witman by program year, 2018 to 2023
Companies that paid John Witman the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John A. Witman graduated from Eastern Virginia Medical School
John Witman graduated from Eastern Virginia Medical School in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John A. Witman'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 John A. Witman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John A. Witman's NPI number?
John A. Witman's NPI number is 1033111448. It was assigned on August 15, 2005, and it is active in the NPI Registry.
What does John A. Witman specialize in?
John A. Witman is a family medicine physician in Rockingham, Virginia. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does John A. Witman practice?
John Witman practices at 2010 Health Campus Drive, Harrisonburg, VA 22801. John Witman's primary practice is Sentara RMH Medical Center in Harrisonburg, Virginia, part of Sentara Health. Dmand AI also links John Witman to 2 hospitals, 4 home health agencies, 2 group practices and clinics, 1 skilled nursing facility and 1 medical group.
What is John A. Witman's office phone number?
The practice phone on file for John Witman is (540) 689-1000.
What is John A. Witman's medical license number?
John Witman holds Virginia license 0101057200.
Which hospitals is John A. Witman affiliated with?
John Witman practices at Sentara RMH Medical Center in Harrisonburg, Virginia. John Witman is also affiliated with University Medical Center. Dmand AI links John Witman to 2 more hospitals.
What medical group is John A. Witman part of?
John Witman is linked to Augusta Health. Dmand AI links John Witman to 1 more medical group.
Does John A. Witman accept Medicare?
Yes. CMS data shows John Witman billed Medicare for 3,874 services in 2024, and John Witman accepts Medicare assignment.
Does John A. Witman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists John Witman as offering telehealth services.
What is John A. Witman's MIPS score?
John Witman's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
How many Medicare patients does John A. Witman see?
CMS counts 698 Medicare patients who saw John Witman in 2024, with an average age of 76.
What services does John A. Witman bill to Medicare?
In 2024, John Witman's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99213).
Where did John A. Witman go to medical school?
John Witman graduated from Eastern Virginia Medical School in 1996.
What drugs does John A. Witman prescribe most?
In 2024 Medicare Part D data, John Witman's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has John A. Witman received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to John Witman from 3 companies from 2018 to 2023. The largest total came from Novo Nordisk Inc.
How long has John A. Witman been practicing?
John Witman graduated from medical school in 1996, 30 years ago.
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