Dr. William M. Parrish, MD
- Medicare services, 2024
- 331
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 22
- MIPS score, 2024
- 89
- Industry payments
- $20,030
- Practice address
- 111 S Front St, Harrisburg, PA 17101
- Practice phone
- Call (717) 230-3790
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UPMC Harrisburg
Harrisburg, Pennsylvania
Find Dr. Parrish'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 M. Parrish is an orthopedic surgeon in Harrisburg, Pennsylvania
Dr. Parrish practices at UPMC Harrisburg in Harrisburg, Pennsylvania.
Dr. Parrish's NPI, 1902860760, was assigned on April 17, 2006. Dr. Parrish graduated from West Virginia University School of Medicine in 1986. Dr. Parrish holds Pennsylvania license MD050269L.
- NPI
- 1902860760NPI Registry (opens in a new tab)
- NPI enumeration date
- April 17, 2006
- NPI status
- Active
- Practice phone
- (717) 230-3790
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William M. Parrish practices at UPMC Harrisburg in Harrisburg, Pennsylvania
Dr. Parrish's primary practice is UPMC Harrisburg, at 111 S Front St, Harrisburg, PA 17101 in Dauphin County. The practice phone is (717) 230-3790.
- UPMC Harrisburg111 S Front St, Harrisburg, PA 17101 · Dauphin CountyPhone(717) 230-3790
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William M. Parrish is affiliated with 3 sites of care and 2 medical groups
Dr. Parrish's primary practice is UPMC Harrisburg in Harrisburg, Pennsylvania. The medical group on file is UPMC Pinnacle Health Systems. Dmand AI also links Dr. Parrish to 2 more group practices and clinics 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 M. Parrish's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parrish practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UPMC Harrisburg | Available with a free account |
| +2 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William M. Parrish is one of 994 orthopedic surgeons in Pennsylvania
Orthopaedic surgery is Dr. Parrish's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Parrish is licensed in Pennsylvania.
Specialties and state licenses
- Orthopaedic surgery, PennsylvaniaPrimary
Orthopedic surgeons near Dr. Parrish
Counts of orthopedic surgeons 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 M. Parrish billed Medicare for 331 services in 2024
CMS data shows 331 Medicare services from Dr. Parrish across 5 procedure codes in 2024, for 101 Medicare patients. Medicare paid $4,739 for them. Every service was in an office.
Dr. Parrish's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 5962024: 18469%
- Imaging
- 2023: 3422024: 6581%
- Office and hospital visits
- 2023: 4072024: 6584%
- Surgery
- 2023: 992024: 1783%
Dr. Parrish compared with the Pennsylvania median for orthopedic surgeons, 2024
- Dr. Parrish
- Pennsylvania median
- Medicare services
- 331vs 1,15371% below
- Medicare patients
- 101vs 27663% below
- Part D claims
- 46vs 10255% below
Medians across 929 orthopedic surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Parrish'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. Parrish?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parrish and other orthopedic surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William M. Parrish treated 101 Medicare patients in 2024, average age 75
CMS counts 101 Medicare patients who saw Dr. Parrish in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Parrish's median patient age at 75, with 58% women.
Dr. Parrish's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Parrish's Medicare patients by sex, 2024
- Women6766%
- Men3434%
Chronic conditions among Dr. Parrish's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
- Anxiety28%
- Diabetes26%
- Chronic kidney disease21%
- Ischemic heart disease21%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parrish's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William M. Parrish wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Parrish wrote 22 Medicare Part D claims for 15 patients. 95% of them were for generic drugs. They cover 3 drugs, with $558 in total drug cost. In 2022, CMS named 64 claims across 3 drugs.
Dr. Parrish's Part D claims by kind of drug, 2024
- Generic21 claims95%
- Brand-name and other1 claims5%
Dr. Parrish's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 642023: 4628%
Drugs named by CMS: 3 in 2023, 3 in 2022.
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
Dr. William M. Parrish scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Parrish for performance year 2024, reported as part of a group.
Dr. Parrish's MIPS scores, performance year 2024
- 89of 100Final score
- 84of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. William M. Parrish received $20,030 in industry payments from 2016 to 2023
CMS Open Payments shows 47 general payments to Dr. Parrish from 12 drug and device companies from 2016 to 2023. Ownership or investment make up the largest share, 88% of the total. The Progressive Orthopaedics Company paid the most, $17,576.
General payments to Dr. Parrish by program year, 2016 to 2023
General payments to Dr. Parrish by kind, 2016 to 2023
- Ownership or investment$17,57688%
- Travel and lodging$1,4317%
- Food and beverage$1,0235%
Companies that paid Dr. Parrish the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William M. Parrish graduated from West Virginia University School of Medicine
Dr. Parrish graduated from West Virginia University School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William M. Parrish'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. William M. Parrish
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 M. Parrish's NPI number?
Dr. William M. Parrish's NPI number is 1902860760. It was assigned on April 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William M. Parrish?
Dr. William M. Parrish is an orthopedic surgeon in Harrisburg, Pennsylvania. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. William M. Parrish practice?
Dr. Parrish practices at 111 S Front St, Harrisburg, PA 17101. Dr. Parrish's primary practice is UPMC Harrisburg in Harrisburg, Pennsylvania. Dmand AI also links Dr. Parrish to 2 group practices and clinics and 1 medical group.
What is Dr. William M. Parrish's office phone number?
The practice phone on file for Dr. Parrish is (717) 230-3790.
What is Dr. William M. Parrish's medical license number?
Dr. Parrish holds Pennsylvania license MD050269L.
What medical group is Dr. William M. Parrish part of?
Dr. Parrish is linked to UPMC Pinnacle Health Systems. Dmand AI links Dr. Parrish to 1 more medical group.
Does Dr. William M. Parrish accept Medicare?
Yes. CMS data shows Dr. Parrish billed Medicare for 331 services in 2024.
What is Dr. William M. Parrish's MIPS score?
Dr. Parrish's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. William M. Parrish see?
CMS counts 101 Medicare patients who saw Dr. Parrish in 2024, with an average age of 75.
What services does Dr. William M. Parrish bill to Medicare?
In 2024, Dr. Parrish's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and diagnostic imaging (73562).
Show 4 more questionsShow fewer questions
Where did Dr. William M. Parrish go to medical school?
Dr. Parrish graduated from West Virginia University School of Medicine in 1986.
What drugs does Dr. William M. Parrish prescribe most?
In 2023 Medicare Part D data, Dr. Parrish's most prescribed drugs by claims were Amoxicillin, Methylprednisolone and Celecoxib.
Has Dr. William M. Parrish received payments from drug or device companies?
CMS Open Payments shows $20,030 in general payments to Dr. Parrish from 12 companies from 2016 to 2023. The largest total came from The Progressive Orthopaedics Company.
How long has Dr. William M. Parrish been practicing?
Dr. Parrish graduated from medical school in 1986, 40 years ago.
Selling to orthopaedic surgery practices?
See orthopedic surgeons in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card