Dr. Allan L. Harrelson, DO, PhD

  • Longview, WA
  • Cardiologist
NPI1437360740PAC ID7911022322
Medicare services, 2024
1,492
Medicare patients, 2024
820
Part D claims, 2024
3,377
Hospital affiliations
3
Industry payments
$310
Practice address
1615 Delaware Street, Longview, WA 98632
Practice phone
Call (360) 414-2000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

PeaceHealth St. John Medical Center

Hospital · Longview, Washington

See all 6 affiliations

Find Dr. Harrelson'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.

View contacts for free

Dr. Allan L. Harrelson is a cardiologist in Longview, Washington

Dr. Harrelson practices at PeaceHealth St. John Medical Center in Longview, Washington, part of PeaceHealth.

Dr. Harrelson's NPI, 1437360740, was assigned on May 25, 2007. Dr. Harrelson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2002. Dr. Harrelson holds Oregon license DO150948.

NPI and contact details
Medicare PAC ID
7911022322
NPI enumeration date
May 25, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(360) 414-2000
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. Allan L. Harrelson practices at PeaceHealth St. John Medical Center in Longview, Washington

Dr. Harrelson's primary practice is PeaceHealth St. John Medical Center, at 1615 Delaware Street, Longview, WA 98632 in Cowlitz County. The practice phone is (360) 414-2000.

Source: Dmand AI Affiliation Data

Dr. Allan L. Harrelson is affiliated with 4 sites of care and 2 medical groups

Dr. Harrelson's primary practice is PeaceHealth St. John Medical Center in Longview, Washington, part of PeaceHealth. Dr. Harrelson is also affiliated with OHSU Hospital. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Dr. Harrelson to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Harrelson

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Allan L. Harrelson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harrelson practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
PeaceHealth St. John Medical CenterAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Harrelson practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across PeaceHealth and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Allan L. Harrelson is one of 416 cardiologists in Washington

Cardiovascular disease is Dr. Harrelson's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Harrelson is licensed in Oregon.

Specialties and state licenses

  • Cardiovascular disease, OregonPrimaryLicense DO150948 · taxonomy 207RC0000X

Cardiologists near Dr. Harrelson

Counts of cardiologists 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. Allan L. Harrelson billed Medicare for 1,492 services in 2024

CMS data shows 1,492 Medicare services from Dr. Harrelson across 16 procedure codes in 2024, for 820 Medicare patients. Medicare paid $67,160 for them.

Medicare services, 20241,492
Medicare patients820
Paid by Medicare$67,160
Procedure codes16

Dr. Harrelson's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 5842024: 67415%
Office and hospital visits
2023: 5242024: 5352%
Other services
2023: 02024: 283

Where Dr. Harrelson's Medicare services took place, 2024

  • In an office17712%
  • In a facility1,31588%

Dr. Harrelson compared with the Washington median for cardiologists, 2024

  • Dr. Harrelson
  • Washington median
Medicare services
1,492vs 1,520Close to median
Medicare patients
820vs 846Close to median
Part D claims
3,193vs 1,72186% above

Medians across 425 cardiologists in Washington with Dmand AI profiles that report each measure.

Dr. Harrelson'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.

See all procedures by Dr. Harrelson

Need commercial claims for Dr. Harrelson?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harrelson and other cardiologists in Washington.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Allan L. Harrelson treated 820 Medicare patients in 2024, average age 76

CMS counts 820 Medicare patients who saw Dr. Harrelson in 2024. The largest group is 75 to 84, with 350 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.63, 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. Harrelson's median patient age at 74, with 50% women.

Medicare patients, 2024820
Average age76
Average risk score1.63
Also on Medicaid15%

Dr. Harrelson's Medicare patients by age, 2024

Dr. Harrelson's Medicare patients by sex, 2024

  • Women38347%
  • Men43753%

Chronic conditions among Dr. Harrelson's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease47%
  4. Heart failure44%
  5. Arthritis43%
  6. Atrial fibrillation42%
  7. Chronic kidney disease36%
  8. Diabetes32%

Share of Medicare patients with each condition. A patient can have several.

Dr. Harrelson'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

  • Women50%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Allan L. Harrelson wrote 3,377 Medicare Part D claims in 2024

In 2024, Dr. Harrelson wrote 3,377 Medicare Part D claims for 626 patients. 84% of them were for generic drugs. CMS names the drug for 3,193 of them, across 33 drugs with 11 or more claims each, at $543,503 in total drug cost. In 2023, CMS named 2,898 claims across 35 drugs.

Part D claims, 20243,377
Drugs named by CMS33
Total drug cost$543,503
Part D patients626

Dr. Harrelson's Part D claims by kind of drug, 2024

  • Generic2,820 claims84%
  • Brand-name557 claims16%

Dr. Harrelson'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,8982024: 3,19310%

Drugs named by CMS: 33 in 2024, 35 in 2023.

See all prescribing by Dr. Harrelson

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. Allan L. Harrelson offers telehealth to Medicare patients

Dr. Harrelson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Harrelson as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find cardiologists like Dr. Harrelson by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Allan L. Harrelson received $310 in industry payments from 2019 to 2025

CMS Open Payments shows 8 general payments to Dr. Harrelson from 5 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. ShockWave Medical, Inc paid the most, $155.

General payments to Dr. Harrelson by program year, 2019 to 2025

Companies that paid Dr. Harrelson the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Harrelson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Allan L. Harrelson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville

Dr. Harrelson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2002.

  1. Medical schoolAt Still University of Health Sciences, College of Osteo Med, Kirksville

Source: Dmand AI Professional Profile Data

Sources for Dr. Allan L. Harrelson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Allan L. Harrelson

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. Allan L. Harrelson's NPI number?

Dr. Allan L. Harrelson's NPI number is 1437360740. It was assigned on May 25, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Allan L. Harrelson?

Dr. Allan L. Harrelson is a cardiologist in Longview, Washington. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Allan L. Harrelson practice?

Dr. Harrelson practices at 1615 Delaware Street, Longview, WA 98632. Dr. Harrelson's primary practice is PeaceHealth St. John Medical Center in Longview, Washington, part of PeaceHealth. Dmand AI also links Dr. Harrelson to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Dr. Allan L. Harrelson's office phone number?

The practice phone on file for Dr. Harrelson is (360) 414-2000.

What is Dr. Allan L. Harrelson's medical license number?

Dr. Harrelson holds Oregon license DO150948.

Which hospitals is Dr. Allan L. Harrelson affiliated with?

Dr. Harrelson practices at PeaceHealth St. John Medical Center in Longview, Washington. Dr. Harrelson is also affiliated with OHSU Hospital. Dmand AI links Dr. Harrelson to 1 more hospital.

What medical group is Dr. Allan L. Harrelson part of?

Dr. Harrelson is linked to Oregon Health & Science University (OHSU). Dmand AI links Dr. Harrelson to 1 more medical group.

Does Dr. Allan L. Harrelson accept Medicare?

Yes. CMS data shows Dr. Harrelson billed Medicare for 1,492 services in 2024, and Dr. Harrelson accepts Medicare assignment.

Does Dr. Allan L. Harrelson offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Harrelson as offering telehealth services.

How many Medicare patients does Dr. Allan L. Harrelson see?

CMS counts 820 Medicare patients who saw Dr. Harrelson in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Allan L. Harrelson bill to Medicare?

In 2024, Dr. Harrelson's most billed Medicare services were heart test or procedure (93306), office visit, established patient (99214) and medicare service (G2211).

Where did Dr. Allan L. Harrelson go to medical school?

Dr. Harrelson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2002.

What drugs does Dr. Allan L. Harrelson prescribe most?

In 2024 Medicare Part D data, Dr. Harrelson's most prescribed drugs by claims were Metoprolol Succinate, Eliquis and Atorvastatin Calcium.

Has Dr. Allan L. Harrelson received payments from drug or device companies?

CMS Open Payments shows $310 in general payments to Dr. Harrelson from 5 companies from 2019 to 2025. The largest total came from ShockWave Medical, Inc.

How long has Dr. Allan L. Harrelson been practicing?

Dr. Harrelson graduated from medical school in 2002, 24 years ago.

Selling to cardiovascular disease practices?

See cardiologists in Washington 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)