Dr. Lawrence William O Holleran, MD
- Medicare services, 2024
- 427
- Medicare patients, 2024
- 202
- Part D claims, 2024
- 54
- MIPS score, 2024
- 94
- Hospital affiliations
- 1
- Practice address
- 2301 House Avenue, #200, Cheyenne, WY 82001
- Practice phone
- Call (307) 635-7070
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
High Plains Surgery Center - Cheyenne
Surgery Center - Medicare-Certified · Cheyenne, Wyoming
Find Dr. O Holleran'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. Lawrence William O Holleran is a general surgeon in Cheyenne, Wyoming
Dr. O Holleran practices at High Plains Surgery Center - Cheyenne in Cheyenne, Wyoming.
Dr. O Holleran's NPI, 1225004187, was assigned on February 28, 2006. Dr. O Holleran graduated from University of Nebraska College of Medicine in 1979. Dr. O Holleran holds Wyoming license 6423A.
- NPI
- 1225004187NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345272472
- NPI enumeration date
- February 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (307) 635-7070
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lawrence William O Holleran practices at High Plains Surgery Center - Cheyenne in Cheyenne, Wyoming
Dr. O Holleran's primary practice is High Plains Surgery Center - Cheyenne, at 2301 House Avenue, #200, Cheyenne, WY 82001. The practice phone is (307) 635-7070.
- High Plains Surgery Center - Cheyenne2301 House Avenue, #200, Cheyenne, WY 82001Phone(307) 635-7070
Source: Dmand AI Affiliation Data
Dr. Lawrence William O Holleran is affiliated with 5 sites of care and 2 medical groups
Dr. O Holleran's primary practice is High Plains Surgery Center - Cheyenne in Cheyenne, Wyoming. Dr. O Holleran is also affiliated with Cheyenne Regional Medical Center. The medical group on file is Cheyenne Regional Medical Center. Dmand AI also links Dr. O Holleran to 2 more group practices and clinics, 1 physician office 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 Dr. Lawrence William O Holleran's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O Holleran practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| High Plains Surgery Center - Cheyenne | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lawrence William O Holleran is one of 68 general surgeons in Wyoming
Surgery is Dr. O Holleran's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. O Holleran's licenses on file in 3 states: Wyoming, Colorado and Nebraska.
Specialties and state licenses
- Surgery, WyomingPrimary
- Colorado license
- Nebraska license
General surgeons near Dr. O Holleran
Counts of general 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. Lawrence William O Holleran billed Medicare for 427 services in 2024
CMS data shows 427 Medicare services from Dr. O Holleran across 9 procedure codes in 2024, for 202 Medicare patients. Medicare paid $24,149 for them.
Dr. O Holleran's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2662024: 22515%
- Office and hospital visits
- 2023: 1782024: 1733%
- Surgery
- 2023: 332024: 2912%
Where Dr. O Holleran's Medicare services took place, 2024
- In an office17441%
- In a facility25359%
Dr. O Holleran compared with the Wyoming median for general surgeons, 2024
- Dr. O Holleran
- Wyoming median
- Medicare services
- 427vs 2082.1 times
- Medicare patients
- 202vs 16225% above
- Part D claims
- 15vs 5372% below
Medians across 70 general surgeons in Wyoming with Dmand AI profiles that report each measure.
Dr. O Holleran'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O Holleran and other general surgeons in Wyoming.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lawrence William O Holleran treated 202 Medicare patients in 2024, average age 74
CMS counts 202 Medicare patients who saw Dr. O Holleran in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 57% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. O Holleran's median patient age at 69, with 64% women.
Dr. O Holleran's Medicare patients by age, 2024
Dr. O Holleran's Medicare patients by sex, 2024
- Women10351%
- Men9949%
Chronic conditions among Dr. O Holleran's Medicare patients, 2024
- High blood pressure75%
- High cholesterol57%
- Arthritis42%
- Diabetes34%
- Chronic kidney disease28%
- Mood disorders28%
- Depression26%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. O Holleran's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lawrence William O Holleran wrote 54 Medicare Part D claims in 2024
In 2024, Dr. O Holleran wrote 54 Medicare Part D claims for 36 patients. 96% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $47 in total drug cost. In 2023, CMS named 17 claims across 1 drug.
Dr. O Holleran's Part D claims by kind of drug, 2024
- Generic52 claims96%
- Brand-name and other2 claims4%
Dr. O Holleran'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. O Holleran's Part D claims, 2024
- Antibiotics61%33 of 54 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: 172024: 1512%
Drugs named by CMS: 1 in 2024, 1 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
Dr. Lawrence William O Holleran scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. O Holleran for performance year 2024, reported through an alternative payment model (APM). Dr. O Holleran accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 165 procedures of removal of tissue by Dr. O Holleran, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. O Holleran's MIPS scores, performance year 2024
- 94of 100Final score
- 80.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. O Holleran ranks in Medicare procedure volume
- Removal of tissue
- 90th percentile165 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Varicose vein removal: 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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Dr. Lawrence William O Holleran graduated from University of Nebraska College of Medicine
Dr. O Holleran graduated from University of Nebraska College of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lawrence William O Holleran'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) |
| 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. Lawrence William O Holleran
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. Lawrence William O Holleran's NPI number?
Dr. Lawrence William O Holleran's NPI number is 1225004187. It was assigned on February 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lawrence William O Holleran?
Dr. Lawrence William O Holleran is a general surgeon in Cheyenne, Wyoming. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Lawrence William O Holleran practice?
Dr. O Holleran practices at 2301 House Avenue, #200, Cheyenne, WY 82001. Dr. O Holleran's primary practice is High Plains Surgery Center - Cheyenne in Cheyenne, Wyoming. Dmand AI also links Dr. O Holleran to 2 group practices and clinics, 1 physician office and 1 medical group.
What is Dr. Lawrence William O Holleran's office phone number?
The practice phone on file for Dr. O Holleran is (307) 635-7070.
What is Dr. Lawrence William O Holleran's medical license number?
Dr. O Holleran holds Wyoming license 6423A, one of the licenses on file in 3 states.
Which states has Dr. Lawrence William O Holleran been licensed in?
Dmand AI has state licenses on file for Dr. O Holleran in Wyoming, Colorado and Nebraska.
Which hospitals is Dr. Lawrence William O Holleran affiliated with?
Dr. O Holleran is affiliated with Cheyenne Regional Medical Center.
What medical group is Dr. Lawrence William O Holleran part of?
Dr. O Holleran is linked to Cheyenne Regional Medical Center. Dmand AI links Dr. O Holleran to 1 more medical group.
Does Dr. Lawrence William O Holleran accept Medicare?
Yes. CMS data shows Dr. O Holleran billed Medicare for 427 services in 2024, and Dr. O Holleran accepts Medicare assignment.
What is Dr. Lawrence William O Holleran's MIPS score?
Dr. O Holleran's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Lawrence William O Holleran see?
CMS counts 202 Medicare patients who saw Dr. O Holleran in 2024, with an average age of 74.
What services does Dr. Lawrence William O Holleran bill to Medicare?
In 2024, Dr. O Holleran's most billed Medicare services were physical therapy and rehabilitation (97597), office visit, established patient (99212) and blood vessel study (93971).
Where did Dr. Lawrence William O Holleran go to medical school?
Dr. O Holleran graduated from University of Nebraska College of Medicine in 1979.
What drugs does Dr. Lawrence William O Holleran prescribe most?
In 2024 Medicare Part D data, Dr. O Holleran's most prescribed drugs by claims were Cephalexin.
How long has Dr. Lawrence William O Holleran been practicing?
Dr. O Holleran graduated from medical school in 1979, 47 years ago.
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