Dr. Gregory E. Kellam, MD

  • Grand Junction, CO
  • Ophthalmologist
NPI1548373343PAC ID1355437211
Medicare services, 2024
2,205
Medicare patients, 2026
1,131
Part D claims, 2026
1,138
MIPS score, 2026
96
Industry payments
$1,659
Practice address
1000 Wellington Ave, Grand Junction, CO 81501
Practice phone
Call (970) 245-5989
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Day Surgery of Grand Junction

Surgery Center - Medicare-Certified · Grand Junction, Colorado

See all 3 affiliations

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Dr. Gregory E. Kellam is an ophthalmologist in Grand Junction, Colorado

Dr. Kellam practices at Day Surgery of Grand Junction in Grand Junction, Colorado.

Dr. Kellam's NPI, 1548373343, was assigned on August 16, 2006. Dr. Kellam graduated from University of New Mexico School of Medicine in 1999. Dr. Kellam holds Colorado license 37658.

NPI and contact details
Medicare PAC ID
1355437211
NPI enumeration date
August 16, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(970) 245-5989
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Gregory E. Kellam practices at Day Surgery of Grand Junction in Grand Junction, Colorado

Dr. Kellam's primary practice is Day Surgery of Grand Junction, at 1000 Wellington Ave, Grand Junction, CO 81501. The practice phone is (970) 245-5989.

  • Day Surgery of Grand Junction
    1000 Wellington Ave, Grand Junction, CO 81501Phone(970) 245-5989

Source: Dmand AI Affiliation Data

Dr. Gregory E. Kellam is affiliated with 2 sites of care and 1 medical group

Dr. Kellam's primary practice is Day Surgery of Grand Junction in Grand Junction, Colorado. Dmand AI also links Dr. Kellam to 1 group practice or clinic and 1 medical group, each named with a free account.

Day Surgery of Grand JunctionSurgery Center - Medicare-Certified · Grand Junction, ColoradoPrimary
1 group practice or clinicName with a free account1 medical groupName with a free accountParent health systemName with a free account
See all 3 affiliations for Dr. Kellam

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

Dmand AI tracks the EHR system at Dr. Gregory E. Kellam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kellam practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Day Surgery of Grand JunctionAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory E. Kellam is one of 258 ophthalmologists in Colorado

Ophthalmology is Dr. Kellam's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Kellam is licensed in Colorado.

Specialties and state licenses

  • Ophthalmology, ColoradoPrimaryLicense 37658 · taxonomy 207W00000X

Ophthalmologists near Dr. Kellam

Counts of ophthalmologists 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 E. Kellam billed Medicare for 2,205 services in 2024

CMS data shows 2,205 Medicare services from Dr. Kellam across 15 procedure codes in 2024, for 1,131 Medicare patients. Medicare paid $204,589 for them.

Medicare services, 20242,205
Medicare patients1,131
Paid by Medicare$204,589
Procedure codes15

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

  • 2023
  • 2024
Tests and treatments
2023: 1,6552024: 1,6252%
Office and hospital visits
2023: 4212024: 4112%
Surgery
2023: 1492024: 149No change
Imaging
2023: 122024: 2067%

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

  • In an office2,07594%
  • In a facility1306%

Dr. Kellam compared with the Colorado median for ophthalmologists, 2024

  • Dr. Kellam
  • Colorado median
Medicare services
2,205vs 1,22979% above
Medicare patients
1,131vs 5382.1 times
Part D claims
1,025vs 4662.2 times

Medians across 266 ophthalmologists in Colorado with Dmand AI profiles that report each measure.

Dr. Kellam'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. Kellam

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

Dr. Gregory E. Kellam treated 1,131 Medicare patients in 2026, average age 76

CMS counts 1,131 Medicare patients who saw Dr. Kellam in 2026. The largest group is 75 to 84, with 501 patients. 60% of them have high blood pressure, and 56% have high cholesterol. 3% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kellam's median patient age at 77, with 60% women.

Medicare patients, 20261,131
Average age76
Average risk score0.94
Also on Medicaid3%

Dr. Kellam's Medicare patients by age, 2026

Dr. Kellam's Medicare patients by sex, 2026

  • Women69261%
  • Men43939%

Chronic conditions among Dr. Kellam's Medicare patients, 2026

  1. High blood pressure60%
  2. High cholesterol56%
  3. Arthritis42%
  4. Diabetes21%
  5. Osteoporosis18%
  6. Chronic kidney disease17%
  7. Ischemic heart disease17%
  8. Mood disorders16%

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

Dr. Kellam's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women60%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

Dr. Gregory E. Kellam wrote 1,138 Medicare Part D claims in 2026

In 2026, Dr. Kellam wrote 1,138 Medicare Part D claims for 242 patients. 67% of them were for generic drugs. CMS names the drug for 1,025 of them, across 17 drugs with 11 or more claims each, at $157,131 in total drug cost. In 2023, CMS named 835 claims across 15 drugs.

Part D claims, 20261,138
Drugs named by CMS17
Total drug cost$157,131
Part D patients242

Dr. Kellam's Part D claims by kind of drug, 2026

  • Generic761 claims67%
  • Brand-name377 claims33%

Dr. Kellam'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: 8352024: 1,02523%

Drugs named by CMS: 17 in 2024, 15 in 2023.

See all prescribing by Dr. Kellam

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data

Dr. Gregory E. Kellam scored 96 out of 100 in Medicare's MIPS program for 2026

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Kellam for performance year 2026, reported individually. Dr. Kellam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 117 procedures of cataract surgery by Dr. Kellam, more than 76% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Kellam's MIPS scores, performance year 2026

  • 96of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities
  • 85of 100Cost

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

Where Dr. Kellam ranks in Medicare procedure volume

Cataract surgery
76th percentile117 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

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Dr. Gregory E. Kellam received $1,659 in industry payments from 2016 to 2025

CMS Open Payments shows 72 general payments to Dr. Kellam from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $415.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Kellam

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

Dr. Gregory E. Kellam graduated from University of New Mexico School of Medicine

Dr. Kellam graduated from University of New Mexico School of Medicine in 1999.

  1. Medical schoolUniversity of New Mexico School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Gregory E. Kellam'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)Doctors and Clinicians Utilization Data (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. Gregory E. Kellam

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 E. Kellam's NPI number?

Dr. Gregory E. Kellam's NPI number is 1548373343. It was assigned on August 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory E. Kellam?

Dr. Gregory E. Kellam is an ophthalmologist in Grand Junction, Colorado. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Gregory E. Kellam practice?

Dr. Kellam practices at 1000 Wellington Ave, Grand Junction, CO 81501. Dr. Kellam's primary practice is Day Surgery of Grand Junction in Grand Junction, Colorado. Dmand AI also links Dr. Kellam to 1 group practice or clinic and 1 medical group, and a free account names each one.

What is Dr. Gregory E. Kellam's office phone number?

The practice phone on file for Dr. Kellam is (970) 245-5989. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Gregory E. Kellam's email address?

Dmand AI checks professional and personal email addresses for Dr. Kellam through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Gregory E. Kellam's medical license number?

Dr. Kellam holds Colorado license 37658.

What medical group is Dr. Gregory E. Kellam part of?

Dmand AI links Dr. Kellam to 1 medical group. A free account names the group, with the clinicians and leaders there.

Who does Dr. Gregory E. Kellam practice with?

Dmand AI links 3 HCPs to Dr. Kellam's primary medical group, 2 of them ophthalmologists. A free account lists them, with verified contacts.

Does Dr. Gregory E. Kellam accept Medicare?

Yes. CMS data shows Dr. Kellam billed Medicare for 2,205 services in 2024, and Dr. Kellam accepts Medicare assignment.

What is Dr. Gregory E. Kellam's MIPS score?

Dr. Kellam's MIPS final score for performance year 2026 is 96 out of 100, reported individually.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Gregory E. Kellam see?

CMS counts 1,131 Medicare patients who saw Dr. Kellam in 2026, with an average age of 76.

What services does Dr. Gregory E. Kellam bill to Medicare?

In 2024, Dr. Kellam's most billed Medicare services were eye exam or test (92014), eye exam or test (92136) and eye exam or test (92083).

Where did Dr. Gregory E. Kellam go to medical school?

Dr. Kellam graduated from University of New Mexico School of Medicine in 1999.

What drugs does Dr. Gregory E. Kellam prescribe most?

In 2024 Medicare Part D data, Dr. Kellam's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Restasis.

Has Dr. Gregory E. Kellam received payments from drug or device companies?

CMS Open Payments shows $1,659 in general payments to Dr. Kellam from 15 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Gregory E. Kellam been practicing?

Dr. Kellam graduated from medical school in 1999, 27 years ago.

What EHR does Dr. Gregory E. Kellam's practice use?

Dmand AI tracks the EHR system at Day Surgery of Grand Junction and at 1 more site and 1 medical group. The vendor and product are available with a free Dmand AI account.

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