Dr. John Gregory Buck, MD

  • Arlington, TX
  • Pathologist
NPI1154608552PAC ID2466628326
Medicare services, 2024
627
Medicare patients, 2024
221
Hospital affiliations
4
Medical groups
2
Insurance carriers
14
Practice address
3301 Matlock Road, Arlington, TX 76015
Practice phone
Call (817) 465-3241
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Medical City Arlington Hospital

Hospital · Arlington, Texas

See all 7 affiliations

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Dr. John Gregory Buck is a pathologist in Arlington, Texas

Dr. Buck practices at Medical City Arlington Hospital in Arlington, Texas, part of HCA Healthcare.

Dr. Buck's NPI, 1154608552, was assigned on November 14, 2011. Dr. Buck graduated from Wayne State University School Of Medicine in 1991. Dr. Buck holds Texas license K4003.

NPI and contact details
Medicare PAC ID
2466628326
NPI enumeration date
November 14, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(817) 465-3241
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
61
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Gregory Buck practices at Medical City Arlington Hospital in Arlington, Texas

Dr. Buck's primary practice is Medical City Arlington Hospital, at 3301 Matlock Road, Arlington, TX 76015 in Tarrant County. The practice phone is (817) 465-3241.

Source: Dmand AI Affiliation Data

Dr. John Gregory Buck is affiliated with 5 sites of care and 2 medical groups

Dr. Buck's primary practice is Medical City Arlington Hospital in Arlington, Texas, part of HCA Healthcare. Dr. Buck is also affiliated with HCA Houston Healthcare Kingwood. The medical group on file is NTX Pathology Program, PLLC. Dmand AI also links Dr. Buck to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Buck

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

Dmand AI tracks the EHR system at Dr. John Gregory Buck's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buck practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Medical City Arlington HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Gregory Buck is one of 1,145 pathologists in Texas

Anatomic pathology and clinical pathology is Dr. Buck's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Buck is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dmand AI has Dr. Buck's licenses on file in 4 states: Texas, Michigan, Louisiana and Ohio.

Specialties and state licenses

  • Anatomic pathology and clinical pathology, TexasPrimaryLicense K4003 · 1997 to 2027 · taxonomy 207ZP0102X
  • Michigan license1996 to 2027
  • Louisiana license2020 to 2022
  • Ohio license1999 to 2001

Pathologists near Dr. Buck

Counts of pathologists 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. John Gregory Buck billed Medicare for 627 services in 2024

CMS data shows 627 Medicare services from Dr. Buck across 9 procedure codes in 2024, for 221 Medicare patients. Medicare paid $15,967 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024627
Medicare patients221
Paid by Medicare$15,967
Procedure codes9

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

  • 2023
  • 2024
Lab and pathology
2023: 4612024: 62736%

Dr. Buck compared with the Texas median for pathologists, 2024

  • Dr. Buck
  • Texas median
Medicare services
627vs 91832% below
Medicare patients
221vs 35438% below

Medians across 976 pathologists in Texas with Dmand AI profiles that report each measure.

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

Dr. John Gregory Buck treated 221 Medicare patients in 2024, average age 73

CMS counts 221 Medicare patients who saw Dr. Buck in 2024. The largest group is 65 to 74, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.36, 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. Buck's median patient age at 52, with 70% women.

Medicare patients, 2024221
Average age73
Average risk score2.36
Also on Medicaid18%

Dr. Buck's Medicare patients by age, 2024

Dr. Buck's Medicare patients by sex, 2024

  • Women13159%
  • Men9041%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Chronic kidney disease49%
  5. Diabetes46%
  6. Mood disorders43%
  7. Ischemic heart disease42%
  8. Depression40%

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

Dr. Buck's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 52

Patient panel by sex, all payers

  • Women70%
  • Men28%

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

How Dr. John Gregory Buck takes part in Medicare

Dr. Buck 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. John Gregory Buck graduated from Wayne State University School Of Medicine

Dr. Buck graduated from Wayne State University School Of Medicine in 1991.

  1. Medical schoolWayne State University School Of Medicine
  2. Board certified in anatomic pathology & clinical pathologyAmerican Board of Pathology
  3. Board certified in blood banking/transfusion medicineAmerican Board of Pathology

Source: Dmand AI Professional Profile Data

Dr. John Gregory Buck accepts plans from 14 insurance carriers

Dr. Buck is in network with 14 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Alliant Health Plans
  • HCSC
  • Baylor Scott and White
  • Blue Cross and Blue Shield of Kansas City
  • +6 more carriersWith a free account

Plan types Dr. Buck accepts, by number of carriers

  1. HMO9
  2. PPO8
  3. POS5
  4. Medicare4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. John Gregory Buck'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. John Gregory Buck

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. John Gregory Buck's NPI number?

Dr. John Gregory Buck's NPI number is 1154608552. It was assigned on November 14, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. John Gregory Buck?

Dr. John Gregory Buck is a pathologist in Arlington, Texas. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).

Where does Dr. John Gregory Buck practice?

Dr. Buck practices at 3301 Matlock Road, Arlington, TX 76015. Dr. Buck's primary practice is Medical City Arlington Hospital in Arlington, Texas, part of HCA Healthcare. Dmand AI also links Dr. Buck to 2 hospitals, 1 group practice or clinic and 1 medical group.

What is Dr. John Gregory Buck's office phone number?

The practice phone on file for Dr. Buck is (817) 465-3241.

What is Dr. John Gregory Buck's medical license number?

Dr. Buck holds Texas license K4003, one of the licenses on file in 4 states.

Which states has Dr. John Gregory Buck been licensed in?

Dmand AI has state licenses on file for Dr. Buck in Texas (1997 to 2027), Michigan (1996 to 2027), Louisiana (2020 to 2022) and Ohio (1999 to 2001).

Which hospitals is Dr. John Gregory Buck affiliated with?

Dr. Buck practices at Medical City Arlington Hospital in Arlington, Texas. Dr. Buck is also affiliated with HCA Houston Healthcare Kingwood. Dmand AI links Dr. Buck to 2 more hospitals.

What medical group is Dr. John Gregory Buck part of?

Dr. Buck is linked to NTX Pathology Program, PLLC. Dmand AI links Dr. Buck to 1 more medical group.

Does Dr. John Gregory Buck accept Medicare?

Yes. CMS data shows Dr. Buck billed Medicare for 627 services in 2024, and Dr. Buck accepts Medicare assignment.

How many Medicare patients does Dr. John Gregory Buck see?

CMS counts 221 Medicare patients who saw Dr. Buck in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

Is Dr. John Gregory Buck board certified?

Yes. Dr. Buck is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.

What services does Dr. John Gregory Buck bill to Medicare?

In 2024, Dr. Buck's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88342).

Where did Dr. John Gregory Buck go to medical school?

Dr. Buck graduated from Wayne State University School Of Medicine in 1991.

How long has Dr. John Gregory Buck been practicing?

Dr. Buck graduated from medical school in 1991, 35 years ago.

What insurance does Dr. John Gregory Buck accept?

Dr. Buck is in network with 14 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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