Dr. Nathan Allen Washburn, DO
- Medicare services, 2024
- 546
- Medicare patients, 2024
- 340
- Part D claims, 2024
- 344
- MIPS score, 2024
- 92
- Hospital affiliations
- 2
- Practice address
- 501 Robertson Boulevard, Walterboro, SC 29488
- Practice phone
- Call (843) 782-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Washburn'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. Nathan Allen Washburn is an emergency medicine physician in Walterboro, South Carolina
Dr. Washburn practices at HCA Healthcare Colleton Hospital in Walterboro, South Carolina, part of HCA Healthcare.
Dr. Washburn's NPI, 1659399764, was assigned on July 17, 2006. Dr. Washburn graduated from New York College of Osteo Medicine of New York Institute of Technology in 2002. Dr. Washburn holds New York license 239728-1.
- NPI
- 1659399764NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052314648
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 782-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Allen Washburn practices at HCA Healthcare Colleton Hospital in Walterboro, South Carolina
Dr. Washburn's primary practice is HCA Healthcare Colleton Hospital, at 501 Robertson Boulevard, Walterboro, SC 29488 in Colleton County. The practice phone is (843) 782-2000.
- HCA Healthcare Colleton Hospital501 Robertson Boulevard, Walterboro, SC 29488 · Colleton CountyPhone(843) 782-2000
Source: Dmand AI Affiliation Data
Dr. Nathan Allen Washburn is affiliated with 2 sites of care and 4 medical groups
Dr. Washburn's primary practice is HCA Healthcare Colleton Hospital in Walterboro, South Carolina, part of HCA Healthcare. Dr. Washburn is also affiliated with Mount Sinai South Nassau. The medical group on file is ACS Primary Care Physicians - Southeast. Dmand AI also links Dr. Washburn to 3 more medical groups, 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. Nathan Allen Washburn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Washburn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA Healthcare Colleton Hospital | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan Allen Washburn is one of 1,026 emergency medicine physicians in South Carolina
Emergency medicine is Dr. Washburn's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Washburn is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Washburn
Counts of emergency 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
Dr. Nathan Allen Washburn billed Medicare for 546 services in 2024
CMS data shows 546 Medicare services from Dr. Washburn across 4 procedure codes in 2024, for 340 Medicare patients. Medicare paid $42,897 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Washburn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1362024: 370172%
- Tests and treatments
- 2023: 142024: 1761157%
Dr. Washburn compared with the South Carolina median for emergency medicine physicians, 2024
- Dr. Washburn
- South Carolina median
- Medicare services
- 546vs 36151% above
- Medicare patients
- 340vs 324Close to median
- Part D claims
- 243vs 1072.3 times
Medians across 1,019 emergency medicine physicians in South Carolina with Dmand AI profiles that report each measure.
Dr. Washburn'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. Washburn and other emergency medicine physicians in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan Allen Washburn treated 340 Medicare patients in 2024, average age 73
CMS counts 340 Medicare patients who saw Dr. Washburn in 2024. The largest group is 75 to 84, with 117 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.95, 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. Washburn's median patient age at 43, with 58% women.
Dr. Washburn's Medicare patients by age, 2024
Dr. Washburn's Medicare patients by sex, 2024
- Women17551%
- Men16549%
Chronic conditions among Dr. Washburn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes47%
- Chronic kidney disease40%
- Mood disorders33%
- COPD32%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Washburn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
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. Nathan Allen Washburn wrote 344 Medicare Part D claims in 2024
In 2024, Dr. Washburn wrote 344 Medicare Part D claims for 219 patients. 94% of them were for generic drugs. CMS names the drug for 243 of them, across 12 drugs with 11 or more claims each, at $1,123 in total drug cost. In 2023, CMS named 33 claims across 2 drugs.
Dr. Washburn's Part D claims by kind of drug, 2024
- Generic322 claims94%
- Brand-name and other22 claims6%
Dr. Washburn'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. Washburn's Part D claims, 2024
- Opioids10%36 of 344 claims
- Antibiotics26%90 of 344 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: 332024: 243636%
Drugs named by CMS: 12 in 2024, 2 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. Nathan Allen Washburn scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Washburn for performance year 2024, reported as part of a group. Dr. Washburn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Washburn's MIPS scores, performance year 2024
- 92of 100Final score
- 82.2of 100Quality
- 79of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nathan Allen Washburn received $14 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Washburn from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $14.
Companies that paid Dr. Washburn the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan Allen Washburn graduated from New York College of Osteo Medicine of New York Institute of Technology
Dr. Washburn graduated from New York College of Osteo Medicine of New York Institute of Technology in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan Allen Washburn'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) |
| 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. Nathan Allen Washburn
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. Nathan Allen Washburn's NPI number?
Dr. Nathan Allen Washburn's NPI number is 1659399764. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Allen Washburn?
Dr. Nathan Allen Washburn is an emergency medicine physician in Walterboro, South Carolina. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Nathan Allen Washburn practice?
Dr. Washburn practices at 501 Robertson Boulevard, Walterboro, SC 29488. Dr. Washburn's primary practice is HCA Healthcare Colleton Hospital in Walterboro, South Carolina, part of HCA Healthcare. Dmand AI also links Dr. Washburn to 3 medical groups.
What is Dr. Nathan Allen Washburn's office phone number?
The practice phone on file for Dr. Washburn is (843) 782-2000.
What is Dr. Nathan Allen Washburn's medical license number?
Dr. Washburn holds New York license 239728-1.
Which hospitals is Dr. Nathan Allen Washburn affiliated with?
Dr. Washburn practices at HCA Healthcare Colleton Hospital in Walterboro, South Carolina. Dr. Washburn is also affiliated with Mount Sinai South Nassau.
What medical group is Dr. Nathan Allen Washburn part of?
Dr. Washburn is linked to ACS Primary Care Physicians - Southeast. Dmand AI links Dr. Washburn to 3 more medical groups.
Does Dr. Nathan Allen Washburn accept Medicare?
Yes. CMS data shows Dr. Washburn billed Medicare for 546 services in 2024, and Dr. Washburn accepts Medicare assignment.
What is Dr. Nathan Allen Washburn's MIPS score?
Dr. Washburn's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nathan Allen Washburn see?
CMS counts 340 Medicare patients who saw Dr. Washburn in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Nathan Allen Washburn bill to Medicare?
In 2024, Dr. Washburn's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Nathan Allen Washburn go to medical school?
Dr. Washburn graduated from New York College of Osteo Medicine of New York Institute of Technology in 2002.
What drugs does Dr. Nathan Allen Washburn prescribe most?
In 2024 Medicare Part D data, Dr. Washburn's most prescribed drugs by claims were Naproxen, Ibuprofen and Methocarbamol.
Has Dr. Nathan Allen Washburn received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Washburn from 1 company from 2018 to 2018. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Nathan Allen Washburn been practicing?
Dr. Washburn graduated from medical school in 2002, 24 years ago.
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