John A. Witman

  • Rockingham, VA
  • Family medicine physician
NPI1033111448PAC ID0648302653
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Sentara RMH Medical Center

Hospital · Harrisonburg, Virginia

See all 13 affiliations

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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 and contact details
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.

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.

See all 13 affiliations for John Witman

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.

EHR by site
SiteEHR vendor and product
Sentara RMH Medical CenterAvailable with a free account
+10 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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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, VirginiaPrimaryLicense 0101057200 · taxonomy 207Q00000X

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.

Medicare services, 20243,874
Medicare patients698
Paid by Medicare$170,327
Procedure codes28

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.

Medicare patients, 2024698
Average age76
Average risk score0.86

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

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis38%
  4. Diabetes27%
  5. Ischemic heart disease18%
  6. Atrial fibrillation17%
  7. Anxiety15%
  8. 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.

Part D claims, 202410,926
Drugs named by CMS137
Total drug cost$517,144
Part D patients907

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.

See all prescribing by John Witman

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.

See all payments to John Witman

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.

  1. Medical schoolEastern Virginia Medical School

Source: Dmand AI Professional Profile Data

Sources for John A. Witman'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)Clinician Public Reporting: Overall MIPS Performance (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 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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