BMJ Mil Health
LongevityNew ZealandVeterans
Dr. Gordon P. Harper, MD
NPI1851427447PAC ID5991800633
- Part D claims, 2024
- 76
- Publications
- 9
- Industry payments
- $510
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 6750 N Macarthur Blvd, Irving, TX 75039
- Practice phone
- Call (214) 252-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mary L Collings, PA
Irving, Texas
Find Dr. Harper's professional email, personal email and mobile number
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Dr. Gordon P. Harper is a psychiatrist in Irving, Texas
Dr. Harper practices at Mary L Collings, PA in Irving, Texas.
Dr. Harper's NPI, 1851427447, was assigned on February 26, 2007. Dr. Harper graduated from Harvard Medical School in 1969. Dr. Harper holds Massachusetts license 33720.
NPI and contact details
- NPI
- 1851427447NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991800633
- NPI enumeration date
- February 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (214) 252-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 83
- Medical school graduation
- 1969
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gordon P. Harper practices at Mary L Collings, PA in Irving, Texas
Dr. Harper's primary practice is Mary L Collings, PA, at 6750 N Macarthur Blvd, Irving, TX 75039 in Dallas County. The practice phone is (214) 252-0000.
- Mary L Collings, PA6750 N Macarthur Blvd, Irving, TX 75039 · Dallas CountyPhone(214) 252-0000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gordon P. Harper is affiliated with 1 site of care
Dr. Harper's primary practice is Mary L Collings, PA in Irving, Texas.
Mary L Collings, PAPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Gordon P. Harper's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harper practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mary L Collings, PA | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Gordon P. Harper is one of 2,406 psychiatrists in Texas
Psychiatry is Dr. Harper's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Harper is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Harper
Counts of psychiatrists 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. Gordon P. Harper's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Harper's median patient age at 43, with 50% women.
Dr. Harper'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
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Gordon P. Harper wrote 76 Medicare Part D claims in 2024
In 2024, Dr. Harper wrote 76 Medicare Part D claims. 89% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $294 in total drug cost.
Part D claims, 202476
Drugs named by CMS2
Total drug cost$294
Dr. Harper's Part D claims by kind of drug, 2024
- Generic68 claims89%
- Brand-name and other8 claims11%
Dr. Harper'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.
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
How Dr. Gordon P. Harper takes part in Medicare
Dr. Harper accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gordon P. Harper has 9 publications on record
Dmand AI links 9 papers to Dr. Harper, published from 2014 to 2024. The most frequent topics are Mental Disorders, Child Health Services and Forecasting. Dr. Harper has published most often in BMJ Mil Health. Dr. Harper's most frequent co-author is Daniel F. Becker, MD.
Papers9
Years published2014 to 2024
Dr. Harper's papers by year, 2014 to 2024
Topics Dr. Harper writes about most
- Mental Disorders
- Child Health Services
- Forecasting
- Health Services Needs and Demand
- Longevity
- Mental Health Services
- Veterans
Dr. Harper's most frequent co-authors
Recent publications by Dr. Harper
LongevityMaori PeopleMilitary Personnel
J Nerv Ment Dis
CountertransferenceEmotionsEvidence-Based Medicine
J Am Acad Child Adolesc Psychiatry
Child Health ServicesCooperative BehaviorForecasting
See who Dr. Harper researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Harper works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gordon P. Harper received $510 in industry payments in 2018
CMS Open Payments shows 2 general payments to Dr. Harper from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $510.
Companies that paid Dr. Harper 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. Gordon P. Harper graduated from Harvard Medical School
Dr. Harper graduated from Harvard Medical School in 1969.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gordon P. Harper'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Gordon P. Harper
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. Gordon P. Harper's NPI number?
Dr. Gordon P. Harper's NPI number is 1851427447. It was assigned on February 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gordon P. Harper?
Dr. Gordon P. Harper is a psychiatrist in Irving, Texas. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Gordon P. Harper practice?
Dr. Harper practices at 6750 N Macarthur Blvd, Irving, TX 75039. Dr. Harper's primary practice is Mary L Collings, PA in Irving, Texas.
What is Dr. Gordon P. Harper's office phone number?
The practice phone on file for Dr. Harper is (214) 252-0000.
What is Dr. Gordon P. Harper's medical license number?
Dr. Harper holds Massachusetts license 33720.
Does Dr. Gordon P. Harper accept Medicare?
Yes. CMS lists Dr. Harper as accepting Medicare assignment.
Where did Dr. Gordon P. Harper go to medical school?
Dr. Harper graduated from Harvard Medical School in 1969.
What drugs does Dr. Gordon P. Harper prescribe most?
In 2024 Medicare Part D data, Dr. Harper's most prescribed drugs by claims were Clonidine HCl and Olanzapine.
Has Dr. Gordon P. Harper received payments from drug or device companies?
CMS Open Payments shows $510 in general payments to Dr. Harper from 1 company from 2018 to 2018. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Gordon P. Harper been practicing?
Dr. Harper graduated from medical school in 1969, 57 years ago.
Does Dr. Gordon P. Harper do research?
Dmand AI links 9 publications to Dr. Harper, published from 2014 to 2024.
Who does Dr. Gordon P. Harper publish with?
Dr. Harper's most frequent co-authors are Daniel F. Becker, MD (2 shared papers).
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