Dr. James G. Grattan, MD

  • Lubbock, TX
  • Cardiologist
NPI1841293370PAC ID9436054327
Medicare services, 2024
1,919
Medicare patients, 2024
620
Part D claims, 2024
7,337
Publications
1
MIPS score, 2024
82
Practice address
4810 North Loop 289, Lubbock, TX 79416
Practice phone
Call (806) 687-7777
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Lubbock Heart & Surgical Hospital

Hospital · Lubbock, Texas

See all 5 affiliations

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Dr. James G. Grattan is a cardiologist in Lubbock, Texas

Dr. Grattan practices at Lubbock Heart & Surgical Hospital in Lubbock, Texas, part of Surgery Partners.

Dr. Grattan's NPI, 1841293370, was assigned on May 30, 2005. Dr. Grattan graduated from New York Medical College in 1975. Dr. Grattan holds Texas license K3738.

NPI and contact details
Medicare PAC ID
9436054327
NPI enumeration date
May 30, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(806) 687-7777
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
72
Medical school graduation
1975

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

Dr. James G. Grattan practices at Lubbock Heart & Surgical Hospital in Lubbock, Texas

Dr. Grattan's primary practice is Lubbock Heart & Surgical Hospital, at 4810 North Loop 289, Lubbock, TX 79416 in Lubbock County. The practice phone is (806) 687-7777.

Source: Dmand AI Affiliation Data

Dr. James G. Grattan is affiliated with 4 sites of care and 1 medical group

Dr. Grattan's primary practice is Lubbock Heart & Surgical Hospital in Lubbock, Texas, part of Surgery Partners. Dr. Grattan is also affiliated with Covenant Medical Center. The medical group on file is Texas Physicians Group. Dmand AI also links Dr. Grattan to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Grattan

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

Dmand AI tracks the EHR system at Dr. James G. Grattan's practice

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

EHR by site
SiteEHR vendor and product
Lubbock Heart & Surgical HospitalAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. James G. Grattan is one of 1,481 cardiologists in Texas

Cardiovascular disease is Dr. Grattan's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Grattan is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Grattan's licenses on file in 5 states: Texas, New Mexico, California, Minnesota and Wisconsin.

Specialties and state licenses

  • Cardiovascular disease, TexasPrimaryLicense K3738 · 1997 to 2026 · taxonomy 207RC0000X
  • New Mexico license1999 to 2027
  • California license1980 to 2025
  • Minnesota license1976 to 1981
  • Wisconsin license1977 to 1979

Clinical focus

Dmand AI lists aneurysm, aortic atherosclerois, atrial fibrillation and flutter, cardiac catheterization, cardiomyopathy, cerebrovascular disease, chronic embolism thrombosis and chronic hypertension among the conditions Dr. Grattan treats.

Cardiologists near Dr. Grattan

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. James G. Grattan billed Medicare for 1,919 services in 2024

CMS data shows 1,919 Medicare services from Dr. Grattan across 14 procedure codes in 2024, for 620 Medicare patients. Medicare paid $103,563 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,919
Medicare patients620
Paid by Medicare$103,563
Procedure codes14

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,7042024: 1,32722%
Tests and treatments
2023: 1,4872024: 47268%
Imaging
2023: 1462024: 12018%

Dr. Grattan compared with the Texas median for cardiologists, 2024

  • Dr. Grattan
  • Texas median
Medicare services
1,919vs 1,955Close to median
Medicare patients
620vs 628Close to median
Part D claims
7,176vs 2,2323.2 times

Medians across 1,431 cardiologists in Texas with Dmand AI profiles that report each measure.

Dr. Grattan'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. Grattan

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

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

Dr. James G. Grattan treated 620 Medicare patients in 2024, average age 78

CMS counts 620 Medicare patients who saw Dr. Grattan in 2024. The largest group is 75 to 84, with 277 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Grattan's median patient age at 78, with 48% women.

Medicare patients, 2024620
Average age78
Average risk score1.16
Also on Medicaid3%

Dr. Grattan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Grattan's Medicare patients by sex, 2024

  • Women28346%
  • Men33754%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease59%
  4. Arthritis54%
  5. Diabetes32%
  6. Atrial fibrillation30%
  7. Chronic kidney disease24%
  8. Heart failure24%

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

Dr. Grattan's patients across all payers

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

Patient panel by age, all payers

Median age 78

Patient panel by sex, all payers

  • Women48%
  • Men51%

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

Dr. James G. Grattan wrote 7,337 Medicare Part D claims in 2024

In 2024, Dr. Grattan wrote 7,337 Medicare Part D claims for 723 patients. 84% of them were for generic drugs. CMS names the drug for 7,176 of them, across 49 drugs with 11 or more claims each, at $1,155,121 in total drug cost. In 2023, CMS named 7,213 claims across 47 drugs.

Part D claims, 20247,337
Drugs named by CMS49
Total drug cost$1.2M
Part D patients723

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

  • Generic6,159 claims84%
  • Brand-name1,178 claims16%

Dr. Grattan'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: 7,2132024: 7,1761%

Drugs named by CMS: 49 in 2024, 47 in 2023.

See all prescribing by Dr. Grattan

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. James G. Grattan scored 82 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Grattan for performance year 2024, reported individually. Dr. Grattan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Grattan's MIPS scores, performance year 2024

  • 82of 100Final score
  • 71.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 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. James G. Grattan has 1 publication on record

Dmand AI links 1 paper to Dr. Grattan.

Papers1

Recent publications by Dr. Grattan

See all 1 publications and co-authors

See who Dr. Grattan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grattan works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. James G. Grattan received $52,745 in industry payments from 2016 to 2025

CMS Open Payments shows 244 general payments to Dr. Grattan from 31 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 86% of the total. Amgen Inc. paid the most, $49,897.

General payments to Dr. Grattan by program year, 2016 to 2025

General payments to Dr. Grattan by kind, 2016 to 2025

$52.7Kin total
  • Speaker and faculty fees$45,20086%
  • Food and beverage$4,6239%
  • Travel and lodging$2,7865%
  • Education$1370%

Companies that paid Dr. Grattan the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Grattan

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

Dr. James G. Grattan has 1 award and honors on record

Dmand AI lists 1 award for Dr. Grattan.

Awards and honors for Dr. Grattan

  1. Undated
    • ACC Fellow

Source: Dmand AI Professional Profile Data

Dr. James G. Grattan graduated from New York Medical College

Dr. Grattan graduated from New York Medical College in 1975. Dr. Grattan is a member of ACC.

  1. Medical schoolNew York Medical College
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in cbcctCT ANGIOGRAPHY

Source: Dmand AI Professional Profile Data

Dr. James G. Grattan accepts plans from 22 insurance carriers

Dr. Grattan is in network with 22 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

Plan types Dr. Grattan accepts, by number of carriers

  1. PPO15
  2. HMO12
  3. Medicare11
  4. POS6
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. James G. Grattan'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. James G. Grattan

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. James G. Grattan's NPI number?

Dr. James G. Grattan's NPI number is 1841293370. It was assigned on May 30, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. James G. Grattan?

Dr. James G. Grattan is a cardiologist in Lubbock, Texas. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. James G. Grattan practice?

Dr. Grattan practices at 4810 North Loop 289, Lubbock, TX 79416. Dr. Grattan's primary practice is Lubbock Heart & Surgical Hospital in Lubbock, Texas, part of Surgery Partners. Dmand AI also links Dr. Grattan to 1 hospital and 1 group practice or clinic.

What is Dr. James G. Grattan's office phone number?

The practice phone on file for Dr. Grattan is (806) 687-7777.

What is Dr. James G. Grattan's medical license number?

Dr. Grattan holds Texas license K3738, one of the licenses on file in 5 states.

Which states has Dr. James G. Grattan been licensed in?

Dmand AI has state licenses on file for Dr. Grattan in Texas (1997 to 2026), New Mexico (1999 to 2027), California (1980 to 2025), Minnesota (1976 to 1981) and Wisconsin (1977 to 1979).

Which hospitals is Dr. James G. Grattan affiliated with?

Dr. Grattan practices at Lubbock Heart & Surgical Hospital in Lubbock, Texas. Dr. Grattan is also affiliated with Covenant Medical Center. Dmand AI links Dr. Grattan to 1 more hospital.

What medical group is Dr. James G. Grattan part of?

Dr. Grattan is linked to Texas Physicians Group.

Does Dr. James G. Grattan accept Medicare?

Yes. CMS data shows Dr. Grattan billed Medicare for 1,919 services in 2024, and Dr. Grattan accepts Medicare assignment.

What is Dr. James G. Grattan's MIPS score?

Dr. Grattan's MIPS final score for performance year 2024 is 82 out of 100, reported individually.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. James G. Grattan see?

CMS counts 620 Medicare patients who saw Dr. Grattan in 2024, with an average age of 78.

Is Dr. James G. Grattan board certified?

Yes. Dr. Grattan is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. James G. Grattan bill to Medicare?

In 2024, Dr. Grattan's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93306) and office visit, established patient (99213).

Where did Dr. James G. Grattan go to medical school?

Dr. Grattan graduated from New York Medical College in 1975.

What drugs does Dr. James G. Grattan prescribe most?

In 2024 Medicare Part D data, Dr. Grattan's most prescribed drugs by claims were Rosuvastatin Calcium, Metoprolol Succinate and Potassium Chloride.

Has Dr. James G. Grattan received payments from drug or device companies?

CMS Open Payments shows $52,745 in general payments to Dr. Grattan from 31 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. James G. Grattan been practicing?

Dr. Grattan graduated from medical school in 1975, 51 years ago.

Does Dr. James G. Grattan do research?

Dmand AI links 1 publication to Dr. Grattan.

What insurance does Dr. James G. Grattan accept?

Dr. Grattan is in network with 22 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 15. Check the plan with the practice before a visit.

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