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Dr. Anna Irwin, DO
NPI1093007643PAC ID4981998986
- Medicare services, 2024
- 4,121
- Medicare patients, 2024
- 945
- Part D claims, 2024
- 1,651
- Publications
- 2
- Hospital affiliations
- 3
- Practice address
- 201 Defense Hwy, Annapolis, MD 21401
- Practice phone
- Call (410) 571-2946
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clearway Pain Solutions
Annapolis, Maryland
Find Dr. Irwin's professional email, personal email and mobile number
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Dr. Anna Irwin is an interventional pain medicine physician in Annapolis, Maryland
Dr. Irwin practices at Clearway Pain Solutions in Annapolis, Maryland.
Dr. Irwin's NPI, 1093007643, was assigned on May 13, 2011. Dr. Irwin graduated from Philadelphia College of Osteopathic Medicine in 2011. Dr. Irwin holds Maryland license H0093071.
NPI and contact details
- NPI
- 1093007643NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981998986
- NPI enumeration date
- May 13, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (410) 571-2946
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anna Irwin practices at Clearway Pain Solutions in Annapolis, Maryland
Dr. Irwin's primary practice is Clearway Pain Solutions, at 201 Defense Hwy, Annapolis, MD 21401 in Anne Arundel County. The practice phone is (410) 571-2946.
- Clearway Pain Solutions201 Defense Hwy, Annapolis, MD 21401 · Anne Arundel CountyPhone(410) 571-2946
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Anna Irwin is affiliated with 5 sites of care and 5 medical groups
Dr. Irwin's primary practice is Clearway Pain Solutions in Annapolis, Maryland. Dr. Irwin is also affiliated with University Medical Center. The medical group on file is Clearway Pain Solutions. Dmand AI also links Dr. Irwin to 2 more hospitals, 4 medical groups and 1 group practice or clinic, each named with a free account.
Clearway Pain SolutionsPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Anna Irwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Irwin practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clearway Pain Solutions | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anna Irwin is one of 52 interventional pain medicine physicians in Maryland
Interventional pain medicine is Dr. Irwin's primary specialty in the NPI Registry, under taxonomy code 208VP0014X. Dmand AI has Dr. Irwin's licenses on file in 3 states: Maryland, Pennsylvania and Virginia.
Specialties and state licenses
- Interventional pain medicine, MarylandPrimary
- Student in an organized health care education/training program, Pennsylvania
- Anesthesiology, Virginia
Interventional pain medicine physicians near Dr. Irwin
Counts of interventional pain medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
52interventional pain medicine physicians in Maryland
9interventional pain medicine physicians in Annapolis
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Anna Irwin billed Medicare for 4,121 services in 2024
CMS data shows 4,121 Medicare services from Dr. Irwin across 26 procedure codes in 2024, for 945 Medicare patients. Medicare paid $462,888 for them.
Medicare services, 20244,121
Medicare patients945
Paid by Medicare$462,888
Procedure codes26
Dr. Irwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,6332024: 2,11129%
- Surgery
- 2023: 1,2892024: 1,69431%
- Imaging
- 2023: 732024: 10240%
- Drugs given in the office
- 2023: 2362024: 8066%
- Tests and treatments
- 2023: 02024: 68
- Other services
- 2023: 202024: 3995%
- Lab and pathology
- 2023: 312024: 2713%
Where Dr. Irwin's Medicare services took place, 2024
- In an office2,63364%
- In a facility1,48836%
Dr. Irwin compared with the Maryland median for interventional pain medicine physicians, 2024
- Dr. Irwin
- Maryland median
- Medicare services
- 4,121vs 1,7542.3 times
- Medicare patients
- 945vs 3432.8 times
- Part D claims
- 1,611vs 7542.1 times
Medians across 51 interventional pain medicine physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Irwin'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. Irwin and other interventional pain medicine physicians in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anna Irwin treated 945 Medicare patients in 2024, average age 77
CMS counts 945 Medicare patients who saw Dr. Irwin in 2024. The largest group is 75 to 84, with 464 patients. 75% of them have arthritis, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Irwin's median patient age at 64, with 59% women.
Medicare patients, 2024945
Average age77
Average risk score1.04
Also on Medicaid7%
Dr. Irwin's Medicare patients by age, 2024
Dr. Irwin's Medicare patients by sex, 2024
- Women59763%
- Men34837%
Chronic conditions among Dr. Irwin's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure74%
- Osteoporosis28%
- Mood disorders26%
- Diabetes25%
- Ischemic heart disease25%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Irwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anna Irwin wrote 1,651 Medicare Part D claims in 2024
In 2024, Dr. Irwin wrote 1,651 Medicare Part D claims for 472 patients. 98% of them were for generic drugs. CMS names the drug for 1,611 of them, across 20 drugs with 11 or more claims each, at $24,721 in total drug cost. In 2023, CMS named 1,057 claims across 16 drugs.
Part D claims, 20241,651
Drugs named by CMS20
Total drug cost$24,721
Part D patients472
Dr. Irwin's Part D claims by kind of drug, 2024
- Generic1,613 claims98%
- Brand-name38 claims2%
Dr. Irwin'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. Irwin's Part D claims, 2024
- Opioids20%337 of 1,651 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: 1,0572024: 1,61152%
Drugs named by CMS: 20 in 2024, 16 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. Anna Irwin offers telehealth to Medicare patients
Dr. Irwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Irwin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Anna Irwin has 2 publications on record
Dmand AI links 2 papers to Dr. Irwin in 2020. Dr. Irwin's most frequent co-authors are Lynn R. Kohan, MD, Israel Riley Pena, MD and Xiaoying Zhu, MD.
Papers2
Dr. Irwin's most frequent co-authors
Recent publications by Dr. Irwin
Anesthetics, LocalBupivacaineCancer Pain
See who Dr. Irwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Irwin works with, so you can find a warm path to the right interventional pain medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Anna Irwin received $30,558 in industry payments from 2016 to 2025
CMS Open Payments shows 293 general payments to Dr. Irwin from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 39% of the total. Vertos Medical, Inc. paid the most, $18,617.
General payments to Dr. Irwin by program year, 2016 to 2025
General payments to Dr. Irwin by kind, 2016 to 2025
$30.6Kin total
- Food and beverage$11,76839%
- Consulting fees$10,25034%
- Travel and lodging$8,54028%
Companies that paid Dr. Irwin 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. Anna Irwin graduated from Philadelphia College of Osteopathic Medicine
Dr. Irwin graduated from Philadelphia College of Osteopathic Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Anna Irwin'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Anna Irwin
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. Anna Irwin's NPI number?
Dr. Anna Irwin's NPI number is 1093007643. It was assigned on May 13, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Anna Irwin?
Dr. Anna Irwin is an interventional pain medicine physician in Annapolis, Maryland. The primary specialty in the NPI Registry is Interventional Pain Medicine Physician (taxonomy code 208VP0014X).
Where does Dr. Anna Irwin practice?
Dr. Irwin practices at 201 Defense Hwy, Annapolis, MD 21401. Dr. Irwin's primary practice is Clearway Pain Solutions in Annapolis, Maryland. Dmand AI also links Dr. Irwin to 2 hospitals, 4 medical groups and 1 group practice or clinic.
What is Dr. Anna Irwin's office phone number?
The practice phone on file for Dr. Irwin is (410) 571-2946.
What is Dr. Anna Irwin's medical license number?
Dr. Irwin holds Maryland license H0093071, one of the licenses on file in 3 states.
Which states has Dr. Anna Irwin been licensed in?
Dmand AI has state licenses on file for Dr. Irwin in Maryland, Pennsylvania and Virginia.
Which hospitals is Dr. Anna Irwin affiliated with?
Dr. Irwin is affiliated with University Medical Center. Dmand AI links Dr. Irwin to 2 more hospitals.
What medical group is Dr. Anna Irwin part of?
Dr. Irwin is linked to Clearway Pain Solutions. Dmand AI links Dr. Irwin to 4 more medical groups.
Does Dr. Anna Irwin accept Medicare?
Yes. CMS data shows Dr. Irwin billed Medicare for 4,121 services in 2024, and Dr. Irwin accepts Medicare assignment.
Does Dr. Anna Irwin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Irwin as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Anna Irwin see?
CMS counts 945 Medicare patients who saw Dr. Irwin in 2024, with an average age of 77.
What services does Dr. Anna Irwin bill to Medicare?
In 2024, Dr. Irwin's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: brain, spine and nerves (64483).
Where did Dr. Anna Irwin go to medical school?
Dr. Irwin graduated from Philadelphia College of Osteopathic Medicine in 2011.
What drugs does Dr. Anna Irwin prescribe most?
In 2024 Medicare Part D data, Dr. Irwin's most prescribed drugs by claims were Pregabalin, Baclofen and Tramadol HCl.
Has Dr. Anna Irwin received payments from drug or device companies?
CMS Open Payments shows $30,558 in general payments to Dr. Irwin from 29 companies from 2016 to 2025. The largest total came from Vertos Medical, Inc.
How long has Dr. Anna Irwin been practicing?
Dr. Irwin graduated from medical school in 2011, 15 years ago.
Does Dr. Anna Irwin do research?
Dmand AI links 2 publications to Dr. Irwin.
Who does Dr. Anna Irwin publish with?
Dr. Irwin's most frequent co-authors are Lynn R. Kohan, MD (2 shared papers), Israel Riley Pena, MD (1 shared paper) and Xiaoying Zhu, MD (1 shared paper).
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