Dr. Gregory Thomas Valainis, MD

  • Spartanburg, SC
  • Internist
NPI1215906151PAC ID8426962234
Medicare services, 2024
1,572
Medicare patients, 2024
186
Part D claims, 2024
7,543
Publications
14
MIPS score, 2024
95
Practice address
1330 Boiling Springs Rd, Spartanburg, SC 29303
Practice phone
Call (864) 585-5433
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Medical Group of the Carolinas-Medical Affiliates-Gaffney

Spartanburg, South Carolina

See all 8 affiliations

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Dr. Gregory Thomas Valainis is an internist in Spartanburg, South Carolina

Dr. Valainis practices at Medical Group of the Carolinas-Medical Affiliates-Gaffney in Spartanburg, South Carolina.

Dr. Valainis' NPI, 1215906151, was assigned on March 14, 2006. Dr. Valainis graduated from VCU School of Medicine in 1980. Dr. Valainis holds South Carolina license 14717.

NPI and contact details
Medicare PAC ID
8426962234
NPI enumeration date
March 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(864) 585-5433
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
72
Medical school graduation
1980

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

Dr. Gregory Thomas Valainis practices at Medical Group of the Carolinas-Medical Affiliates-Gaffney in Spartanburg, South Carolina

Dr. Valainis' primary practice is Medical Group of the Carolinas-Medical Affiliates-Gaffney, at 1330 Boiling Springs Rd, Spartanburg, SC 29303 in Spartanburg County. The practice phone is (864) 585-5433.

  • Medical Group of the Carolinas-Medical Affiliates-Gaffney
    1330 Boiling Springs Rd, Spartanburg, SC 29303 · Spartanburg CountyPhone(864) 585-5433

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Gregory Thomas Valainis is affiliated with 6 sites of care and 2 medical groups

Dr. Valainis' primary practice is Medical Group of the Carolinas-Medical Affiliates-Gaffney in Spartanburg, South Carolina. Dr. Valainis is also affiliated with Spartanburg Medical Center. The medical group on file is Medical Group of the Carolinas - Family Medicine - Converse Heights. Dmand AI also links Dr. Valainis to 1 more hospital, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Valainis

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gregory Thomas Valainis' practice

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

EHR by site
SiteEHR vendor and product
Medical Group of the Carolinas-Medical Affiliates-GaffneyAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory Thomas Valainis is one of 1,707 internists in South Carolina

Internal medicine is Dr. Valainis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Valainis is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Valainis' licenses on file in 4 states: South Carolina, Louisiana, Florida and Georgia.

Specialties and state licenses

  • Internal medicine, South CarolinaPrimaryLicense 14717 · 1989 to 2027 · taxonomy 207R00000X
  • Louisiana license1984 to 1989
  • Florida license1982 to 1987
  • Georgia license1981 to 1983

Clinical focus

Dmand AI lists hiv/aids, immune deficiency disease, joint or bone infection, pneumonia and yeast infection among the conditions Dr. Valainis treats.

Internists near Dr. Valainis

Counts of internists 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. Gregory Thomas Valainis billed Medicare for 1,572 services in 2024

CMS data shows 1,572 Medicare services from Dr. Valainis across 15 procedure codes in 2024, for 186 Medicare patients. Medicare paid $76,419 for them. Every service was in an office.

Medicare services, 20241,572
Medicare patients186
Paid by Medicare$76,419
Procedure codes15

Dr. Valainis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5642024: 5208%
Surgery
2023: 4232024: 4424%
Other services
2023: 1952024: 26134%
Lab and pathology
2023: 2202024: 19412%
Tests and treatments
2023: 902024: 15572%

Dr. Valainis compared with the South Carolina median for internists, 2024

  • Dr. Valainis
  • South Carolina median
Medicare services
1,572vs 7402.1 times
Medicare patients
186vs 25828% below
Part D claims
6,857vs 33120.7 times

Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.

Dr. Valainis' 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. Valainis

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Valainis and other internists in South Carolina.

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

Dr. Gregory Thomas Valainis treated 186 Medicare patients in 2024, average age 74

CMS counts 186 Medicare patients who saw Dr. Valainis in 2024. The largest group is 75 to 84, with 78 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 10% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Valainis' median patient age at 73, with 45% women.

Medicare patients, 2024186
Average age74
Average risk score0.97
Also on Medicaid10%

Dr. Valainis' Medicare patients by age, 2024

Dr. Valainis' Medicare patients by sex, 2024

  • Women8747%
  • Men9953%

Chronic conditions among Dr. Valainis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis38%
  4. Chronic kidney disease34%
  5. Diabetes32%
  6. Ischemic heart disease19%
  7. Osteoporosis18%
  8. Anxiety16%

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

Dr. Valainis' patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women45%
  • Men55%

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

Dr. Gregory Thomas Valainis wrote 7,543 Medicare Part D claims in 2024

In 2024, Dr. Valainis wrote 7,543 Medicare Part D claims for 378 patients. 82% of them were for generic drugs. CMS names the drug for 6,857 of them, across 131 drugs with 11 or more claims each, at $1,863,939 in total drug cost. In 2023, CMS named 6,224 claims across 129 drugs.

Part D claims, 20247,543
Drugs named by CMS131
Total drug cost$1.9M
Part D patients378

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

  • Generic6,154 claims82%
  • Brand-name1,325 claims18%
  • Other64 claims1%

Dr. Valainis' 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. Valainis' Part D claims, 2024

  • Opioids1%61 of 7,543 claims
  • Antibiotics1%72 of 7,543 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: 6,2242024: 6,85710%

Drugs named by CMS: 131 in 2024, 129 in 2023.

See all prescribing by Dr. Valainis

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. Gregory Thomas Valainis scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Valainis for performance year 2024, reported through an alternative payment model (APM). Dr. Valainis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Valainis' MIPS scores, performance year 2024

  • 95of 100Final score
  • 89.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Gregory Thomas Valainis has 14 publications on record

Dmand AI links 14 papers to Dr. Valainis in 2016. The most frequent topics are Acquired Immunodeficiency Syndrome, Staphylococcal Infections and Anti-Bacterial Agents. Dr. Valainis has published most often in J Acquir Immune Defic Syndr (1988). Dr. Valainis' most frequent co-authors are Donald Ira Abrams, MD, Anne G. Cook, MD and Robert A. Davis, MD.

Papers14

Topics Dr. Valainis writes about most

  • Acquired Immunodeficiency Syndrome
  • Staphylococcal Infections
  • Anti-Bacterial Agents
  • Candidiasis
  • Mycobacterium Infections
  • Staphylococcus aureus
  • Vancomycin
  • Zidovudine

Dr. Valainis' most frequent co-authors

Recent publications by Dr. Valainis

See all 14 publications and co-authors

See who Dr. Valainis researches with

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

How network discovery works

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

Dr. Gregory Thomas Valainis received $14,744 in industry payments from 2016 to 2025

CMS Open Payments shows 111 general payments to Dr. Valainis from 24 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 56% of the total. Gilead Sciences, Inc. paid the most, $13,335.

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

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

$14.7Kin total
  • Consulting fees$8,20056%
  • Travel and lodging$3,51024%
  • Food and beverage$3,00220%
  • Education$320%

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

Share is of all general payments to this clinician.

See all payments to Dr. Valainis

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

Dr. Gregory Thomas Valainis graduated from VCU School of Medicine

Dr. Valainis graduated from VCU School of Medicine in 1980.

  1. Medical schoolVCU School of Medicine
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in infectious diseaseNational Board of Physicians and Surgeons
  5. Board certified in internal medicineNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. Gregory Thomas Valainis accepts plans from 19 insurance carriers

Dr. Valainis is in network with 19 carriers, including Aetna, HCSC and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Valainis accepts, by number of carriers

  1. PPO12
  2. HMO8
  3. Medicare8
  4. EPO4
  5. POS4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Gregory Thomas Valainis'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (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)
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. Gregory Thomas Valainis

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. Gregory Thomas Valainis' NPI number?

Dr. Gregory Thomas Valainis' NPI number is 1215906151. It was assigned on March 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory Thomas Valainis?

Dr. Gregory Thomas Valainis is an internist in Spartanburg, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Gregory Thomas Valainis practice?

Dr. Valainis practices at 1330 Boiling Springs Rd, Spartanburg, SC 29303. Dr. Valainis' primary practice is Medical Group of the Carolinas-Medical Affiliates-Gaffney in Spartanburg, South Carolina. Dmand AI also links Dr. Valainis to 1 hospital, 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Dr. Gregory Thomas Valainis' office phone number?

The practice phone on file for Dr. Valainis is (864) 585-5433.

What is Dr. Gregory Thomas Valainis' medical license number?

Dr. Valainis holds South Carolina license 14717, one of the licenses on file in 4 states.

Which states has Dr. Gregory Thomas Valainis been licensed in?

Dmand AI has state licenses on file for Dr. Valainis in South Carolina (1989 to 2027), Louisiana (1984 to 1989), Florida (1982 to 1987) and Georgia (1981 to 1983).

Which hospitals is Dr. Gregory Thomas Valainis affiliated with?

Dr. Valainis is affiliated with Spartanburg Medical Center. Dmand AI links Dr. Valainis to 1 more hospital.

What medical group is Dr. Gregory Thomas Valainis part of?

Dr. Valainis is linked to Medical Group of the Carolinas - Family Medicine - Converse Heights. Dmand AI links Dr. Valainis to 1 more medical group.

Does Dr. Gregory Thomas Valainis accept Medicare?

Yes. CMS data shows Dr. Valainis billed Medicare for 1,572 services in 2024, and Dr. Valainis accepts Medicare assignment.

What is Dr. Gregory Thomas Valainis' MIPS score?

Dr. Valainis' MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Gregory Thomas Valainis see?

CMS counts 186 Medicare patients who saw Dr. Valainis in 2024, with an average age of 74.

Is Dr. Gregory Thomas Valainis board certified?

Yes. Dr. Valainis is board certified in infectious disease by the American Board of Internal Medicine.

What services does Dr. Gregory Thomas Valainis bill to Medicare?

In 2024, Dr. Valainis' most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. Gregory Thomas Valainis go to medical school?

Dr. Valainis graduated from VCU School of Medicine in 1980.

What drugs does Dr. Gregory Thomas Valainis prescribe most?

In 2024 Medicare Part D data, Dr. Valainis' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.

Has Dr. Gregory Thomas Valainis received payments from drug or device companies?

CMS Open Payments shows $14,744 in general payments to Dr. Valainis from 24 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.

How long has Dr. Gregory Thomas Valainis been practicing?

Dr. Valainis graduated from medical school in 1980, 46 years ago.

Does Dr. Gregory Thomas Valainis do research?

Dmand AI links 14 publications to Dr. Valainis.

Who does Dr. Gregory Thomas Valainis publish with?

Dr. Valainis' most frequent co-authors are Donald Ira Abrams, MD (1 shared paper), Anne G. Cook, MD (1 shared paper) and Robert A. Davis, MD (1 shared paper).

What insurance does Dr. Gregory Thomas Valainis accept?

Dr. Valainis is in network with 19 carriers, including Aetna, HCSC and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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