Dr. Garret Lamendola Sitenga, MD

  • Kenai, AK
  • Ophthalmologist
NPI1891701736PAC ID4284727009
Medicare services, 2024
2,396
Medicare patients, 2024
1,159
Part D claims, 2024
1,835
MIPS score, 2024
100
Hospital affiliations
2
Practice address
115 Bidarka St, Kenai, AK 99611
Practice phone
Call (907) 335-3358
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sitenga Eye Associates

Kenai, Alaska

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Dr. Garret Lamendola Sitenga is an ophthalmologist in Kenai, Alaska

Dr. Sitenga practices at Sitenga Eye Associates in Kenai, Alaska.

Dr. Sitenga's NPI, 1891701736, was assigned on July 31, 2006. Dr. Sitenga graduated from Medical College of Wisconsin in 1993. Dr. Sitenga holds Alaska license MD3811.

NPI and contact details
Medicare PAC ID
4284727009
NPI enumeration date
July 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(907) 335-3358
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

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

Dr. Garret Lamendola Sitenga practices at Sitenga Eye Associates in Kenai, Alaska

Dr. Sitenga's primary practice is Sitenga Eye Associates, at 115 Bidarka St, Kenai, AK 99611 in Kenai Peninsula Borough. The practice phone is (907) 335-3358.

  • Sitenga Eye Associates
    115 Bidarka St, Kenai, AK 99611 · Kenai Peninsula BoroughPhone(907) 335-3358

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

Dr. Garret Lamendola Sitenga is affiliated with 4 sites of care and 1 medical group

Dr. Sitenga's primary practice is Sitenga Eye Associates in Kenai, Alaska. Dr. Sitenga is also affiliated with Central Peninsula Hospital. Dmand AI also links Dr. Sitenga to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Sitenga

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

Dmand AI tracks the EHR system at Dr. Garret Lamendola Sitenga's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sitenga practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sitenga Eye AssociatesAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Garret Lamendola Sitenga is one of 32 ophthalmologists in Alaska

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

Specialties and state licenses

  • Ophthalmology, AlaskaPrimaryLicense MD3811 · taxonomy 207W00000X

Ophthalmologists near Dr. Sitenga

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. Garret Lamendola Sitenga billed Medicare for 2,396 services in 2024

CMS data shows 2,396 Medicare services from Dr. Sitenga across 9 procedure codes in 2024, for 1,159 Medicare patients. Medicare paid $304,559 for them.

Medicare services, 20242,396
Medicare patients1,159
Paid by Medicare$304,559
Procedure codes9

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

  • 2023
  • 2024
Tests and treatments
2023: 1,5622024: 1,4567%
Office and hospital visits
2023: 5122024: 5012%
Surgery
2023: 2802024: 2626%
Imaging
2023: 2032024: 17713%

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

  • In an office2,13489%
  • In a facility26211%

Dr. Sitenga compared with the Alaska median for ophthalmologists, 2024

  • Dr. Sitenga
  • Alaska median
Medicare services
2,396vs 1,1192.1 times
Medicare patients
1,159vs 4272.7 times
Part D claims
1,781vs 2058.7 times

Medians across 32 ophthalmologists in Alaska with Dmand AI profiles that report each measure.

Dr. Sitenga'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. Sitenga

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

Dr. Garret Lamendola Sitenga treated 1,159 Medicare patients in 2024, average age 76

CMS counts 1,159 Medicare patients who saw Dr. Sitenga in 2024. The largest group is 75 to 84, with 512 patients. 63% of them have high blood pressure, and 57% have high cholesterol. 13% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sitenga's median patient age at 76, with 59% women.

Medicare patients, 20241,159
Average age76
Average risk score0.90
Also on Medicaid13%

Dr. Sitenga's Medicare patients by age, 2024

Dr. Sitenga's Medicare patients by sex, 2024

  • Women70861%
  • Men45139%

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

  1. High blood pressure63%
  2. High cholesterol57%
  3. Arthritis42%
  4. Diabetes24%
  5. Osteoporosis21%
  6. Ischemic heart disease20%
  7. Atrial fibrillation17%
  8. Anxiety14%

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

Dr. Sitenga's patients across all payers

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

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women59%
  • Men41%

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

Dr. Garret Lamendola Sitenga wrote 1,835 Medicare Part D claims in 2024

In 2024, Dr. Sitenga wrote 1,835 Medicare Part D claims for 417 patients. 67% of them were for generic drugs. CMS names the drug for 1,781 of them, across 15 drugs with 11 or more claims each, at $70,117 in total drug cost. In 2023, CMS named 1,699 claims across 13 drugs.

Part D claims, 20241,835
Drugs named by CMS15
Total drug cost$70,117
Part D patients417

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

  • Generic1,234 claims67%
  • Brand-name601 claims33%

Dr. Sitenga'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.

Drug classes CMS tracks in Dr. Sitenga's Part D claims, 2024

  • Antibiotics1%24 of 1,835 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: 1,6992024: 1,7815%

Drugs named by CMS: 15 in 2024, 13 in 2023.

See all prescribing by Dr. Sitenga

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. Garret Lamendola Sitenga scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Sitenga for performance year 2024, reported individually. Dr. Sitenga accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 340 procedures of cataract surgery by Dr. Sitenga, more than 91% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Sitenga's MIPS scores, performance year 2024

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

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

Where Dr. Sitenga ranks in Medicare procedure volume

Cataract surgery
91st percentile340 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), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Garret Lamendola Sitenga graduated from Medical College of Wisconsin

Dr. Sitenga graduated from Medical College of Wisconsin in 1993.

  1. Medical schoolMedical College of Wisconsin

Source: Dmand AI Professional Profile Data

Sources for Dr. Garret Lamendola Sitenga'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)
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. Garret Lamendola Sitenga

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. Garret Lamendola Sitenga's NPI number?

Dr. Garret Lamendola Sitenga's NPI number is 1891701736. It was assigned on July 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Garret Lamendola Sitenga?

Dr. Garret Lamendola Sitenga is an ophthalmologist in Kenai, Alaska. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Garret Lamendola Sitenga practice?

Dr. Sitenga practices at 115 Bidarka St, Kenai, AK 99611. Dr. Sitenga's primary practice is Sitenga Eye Associates in Kenai, Alaska. Dmand AI also links Dr. Sitenga to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Dr. Garret Lamendola Sitenga's office phone number?

The practice phone on file for Dr. Sitenga is (907) 335-3358.

What is Dr. Garret Lamendola Sitenga's medical license number?

Dr. Sitenga holds Alaska license MD3811.

Which hospitals is Dr. Garret Lamendola Sitenga affiliated with?

Dr. Sitenga is affiliated with Central Peninsula Hospital. Dmand AI links Dr. Sitenga to 1 more hospital.

Does Dr. Garret Lamendola Sitenga accept Medicare?

Yes. CMS data shows Dr. Sitenga billed Medicare for 2,396 services in 2024, and Dr. Sitenga accepts Medicare assignment.

What is Dr. Garret Lamendola Sitenga's MIPS score?

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

How many Medicare patients does Dr. Garret Lamendola Sitenga see?

CMS counts 1,159 Medicare patients who saw Dr. Sitenga in 2024, with an average age of 76.

What services does Dr. Garret Lamendola Sitenga bill to Medicare?

In 2024, Dr. Sitenga's most billed Medicare services were eye exam or test (92014), office visit, established patient (99213) and eye exam or test (92004).

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Where did Dr. Garret Lamendola Sitenga go to medical school?

Dr. Sitenga graduated from Medical College of Wisconsin in 1993.

What drugs does Dr. Garret Lamendola Sitenga prescribe most?

In 2024 Medicare Part D data, Dr. Sitenga's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Tobramycin-Dexamethasone.

How long has Dr. Garret Lamendola Sitenga been practicing?

Dr. Sitenga graduated from medical school in 1993, 33 years ago.

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