Dr. Steven Walter Mussey, MD
- Medicare services, 2024
- 3,269
- Medicare patients, 2024
- 830
- Part D claims, 2024
- 11,037
- Hospital affiliations
- 2
- Industry payments
- $3,792
- Practice address
- 4107 Lafayette Blvd Unit 4 Unit 4, Fredericksburg, VA 22408
- Practice phone
- Call (540) 891-5544
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mussey, Sarber & Associates
Physician office · Fredericksburg, Virginia
Find Dr. Mussey'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. Steven Walter Mussey is an internist in Fredericksburg, Virginia
Dr. Mussey practices at Mussey, Sarber & Associates in Fredericksburg, Virginia.
Dr. Mussey's NPI, 1902892078, was assigned on September 23, 2005. Dr. Mussey graduated from George Washington University School of Medicine in 1985.
- NPI
- 1902892078NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264572148
- NPI enumeration date
- September 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 891-5544
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven Walter Mussey practices at Mussey, Sarber & Associates in Fredericksburg, Virginia
Dr. Mussey's primary practice is Mussey, Sarber & Associates, at 4107 Lafayette Blvd Unit 4 Unit 4, Fredericksburg, VA 22408. The practice phone is (540) 891-5544.
- Mussey, Sarber & Associates4107 Lafayette Blvd Unit 4 Unit 4, Fredericksburg, VA 22408Phone(540) 891-5544
Source: Dmand AI Affiliation Data
Dr. Steven Walter Mussey is affiliated with 10 sites of care and 2 medical groups
Dr. Mussey's primary practice is Mussey, Sarber & Associates in Fredericksburg, Virginia. Dr. Mussey is also affiliated with Mary Washington Hospital. The medical group on file is Mary Washington Healthcare. Dmand AI also links Dr. Mussey to 1 more hospital, 5 home health agencies, 2 group practices and clinics and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Steven Walter Mussey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mussey practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mussey, Sarber & Associates | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven Walter Mussey is one of 3,339 internists in Virginia
Internal medicine is Dr. Mussey's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mussey has a license on file in Virginia.
Specialties and state licenses
- Internal medicine, Virginia
Internists near Dr. Mussey
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. Steven Walter Mussey billed Medicare for 3,269 services in 2024
CMS data shows 3,269 Medicare services from Dr. Mussey across 12 procedure codes in 2024, for 830 Medicare patients. Medicare paid $225,033 for them. Every service was in an office.
Dr. Mussey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,0382024: 1,9982%
- Other services
- 2023: 4602024: 1,142148%
- Tests and treatments
- 2023: 1632024: 8250%
- Lab and pathology
- 2023: 392024: 3121%
- Surgery
- 2023: 272024: 1641%
Dr. Mussey compared with the Virginia median for internists, 2024
- Dr. Mussey
- Virginia median
- Medicare services
- 3,269vs 6075.4 times
- Medicare patients
- 830vs 2463.4 times
- Part D claims
- 10,334vs 22446.1 times
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Mussey'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.
Need commercial claims for Dr. Mussey?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mussey and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven Walter Mussey treated 830 Medicare patients in 2024, average age 77
CMS counts 830 Medicare patients who saw Dr. Mussey in 2024. The largest group is 75 to 84, with 371 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 1% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mussey's median patient age at 74, with 46% women.
Dr. Mussey's Medicare patients by age, 2024
Dr. Mussey's Medicare patients by sex, 2024
- Women38647%
- Men44453%
Chronic conditions among Dr. Mussey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Ischemic heart disease34%
- Diabetes28%
- Atrial fibrillation21%
- Cancer19%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mussey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven Walter Mussey wrote 11,037 Medicare Part D claims in 2024
In 2024, Dr. Mussey wrote 11,037 Medicare Part D claims for 833 patients. 91% of them were for generic drugs. CMS names the drug for 10,334 of them, across 146 drugs with 11 or more claims each, at $805,427 in total drug cost. In 2023, CMS named 7,261 claims across 125 drugs.
Dr. Mussey's Part D claims by kind of drug, 2024
- Generic10,084 claims91%
- Brand-name901 claims8%
- Other52 claims0%
Dr. Mussey'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. Mussey's Part D claims, 2024
- Opioids2%193 of 11,037 claims
- Antibiotics4%405 of 11,037 claims
- Antipsychotics, patients 65 and over1%71 of 11,037 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: 7,2612024: 10,33442%
Drugs named by CMS: 146 in 2024, 125 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
How Dr. Steven Walter Mussey takes part in Medicare
Dr. Mussey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Steven Walter Mussey received $3,792 in industry payments from 2016 to 2025
CMS Open Payments shows 189 general payments to Dr. Mussey from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $614.
General payments to Dr. Mussey by program year, 2016 to 2025
Companies that paid Dr. Mussey 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. Steven Walter Mussey graduated from George Washington University School of Medicine
Dr. Mussey graduated from George Washington University School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven Walter Mussey'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 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) |
| 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 Dr. Steven Walter Mussey
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. Steven Walter Mussey's NPI number?
Dr. Steven Walter Mussey's NPI number is 1902892078. It was assigned on September 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Walter Mussey?
Dr. Steven Walter Mussey is an internist in Fredericksburg, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Steven Walter Mussey practice?
Dr. Mussey practices at 4107 Lafayette Blvd Unit 4 Unit 4, Fredericksburg, VA 22408. Dr. Mussey's primary practice is Mussey, Sarber & Associates in Fredericksburg, Virginia. Dmand AI also links Dr. Mussey to 1 hospital, 5 home health agencies, 2 group practices and clinics and 1 medical group.
What is Dr. Steven Walter Mussey's office phone number?
The practice phone on file for Dr. Mussey is (540) 891-5544.
Which hospitals is Dr. Steven Walter Mussey affiliated with?
Dr. Mussey is affiliated with Mary Washington Hospital. Dmand AI links Dr. Mussey to 1 more hospital.
What medical group is Dr. Steven Walter Mussey part of?
Dr. Mussey is linked to Mary Washington Healthcare. Dmand AI links Dr. Mussey to 1 more medical group.
Does Dr. Steven Walter Mussey accept Medicare?
Yes. CMS data shows Dr. Mussey billed Medicare for 3,269 services in 2024, and Dr. Mussey accepts Medicare assignment.
How many Medicare patients does Dr. Steven Walter Mussey see?
CMS counts 830 Medicare patients who saw Dr. Mussey in 2024, with an average age of 77.
What services does Dr. Steven Walter Mussey bill to Medicare?
In 2024, Dr. Mussey's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).
Where did Dr. Steven Walter Mussey go to medical school?
Dr. Mussey graduated from George Washington University School of Medicine in 1985.
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What drugs does Dr. Steven Walter Mussey prescribe most?
In 2024 Medicare Part D data, Dr. Mussey's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Atorvastatin Calcium.
Has Dr. Steven Walter Mussey received payments from drug or device companies?
CMS Open Payments shows $3,792 in general payments to Dr. Mussey from 25 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Steven Walter Mussey been practicing?
Dr. Mussey graduated from medical school in 1985, 41 years ago.
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