Gregory Allen Perrone, OD

  • Sebastopol, CA
  • Optometrist
NPI1326149360PAC ID1355414954
Medicare patients, 2024
910
Part D claims, 2024
250
MIPS score, 2024
85
Industry payments
$22
Affiliated sites
1
Practice address
6880 Palm Avenue, Sebastopol, CA 95472
Practice phone
Call (707) 823-7628
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sebastopol Specialty Center & Ambulatory Surgery Center

Surgery Center - Medicare-Certified · Sebastopol, California

See all 2 affiliations

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Gregory Allen Perrone is an optometrist in Sebastopol, California

Gregory Perrone practices at Sebastopol Specialty Center & Ambulatory Surgery Center in Sebastopol, California.

Gregory Perrone's NPI, 1326149360, was assigned on September 25, 2006. Gregory Perrone graduated from University of California - School of Optometry in 1985. Gregory Perrone holds California license OPT 8304T.

NPI and contact details
Medicare PAC ID
1355414954
NPI enumeration date
September 25, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 823-7628
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

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

Gregory Allen Perrone practices at Sebastopol Specialty Center & Ambulatory Surgery Center in Sebastopol, California

Gregory Perrone's primary practice is Sebastopol Specialty Center & Ambulatory Surgery Center, at 6880 Palm Avenue, Sebastopol, CA 95472. The practice phone is (707) 823-7628.

  • Sebastopol Specialty Center & Ambulatory Surgery Center
    6880 Palm Avenue, Sebastopol, CA 95472Phone(707) 823-7628

Source: Dmand AI Affiliation Data

Gregory Allen Perrone is affiliated with 1 site of care and 1 medical group

Gregory Perrone's primary practice is Sebastopol Specialty Center & Ambulatory Surgery Center in Sebastopol, California. Dmand AI also links Gregory Perrone to 1 medical group, named with a free account.

Sebastopol Specialty Center & Ambulatory Surgery CenterSurgery Center - Medicare-Certified · Sebastopol, CaliforniaPrimary
1 medical groupName with a free accountParent health systemName with a free account
See all 2 affiliations for Gregory Perrone

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

Dmand AI tracks the EHR system at Gregory Allen Perrone's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Perrone practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sebastopol Specialty Center & Ambulatory Surgery CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Gregory Allen Perrone is one of 7,206 optometrists in California

Optometrist is Gregory Perrone's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gregory Perrone is licensed in California.

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense OPT 8304T · taxonomy 152W00000X

Optometrists near Gregory Perrone

Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.

7,206optometrists in California
3optometrists in Sebastopol

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Gregory Allen Perrone treated 910 Medicare patients in 2024, average age 76

CMS counts 910 Medicare patients who saw Gregory Perrone in 2024. The largest group is 75 to 84, with 412 patients. 70% of them have high cholesterol, and 56% have high blood pressure. 7% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.

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

Medicare patients, 2024910
Average age76
Average risk score0.98
Also on Medicaid7%

Gregory Perrone's Medicare patients by age, 2024

Gregory Perrone's Medicare patients by sex, 2024

  • Women55461%
  • Men35639%

Chronic conditions among Gregory Perrone's Medicare patients, 2024

  1. High cholesterol70%
  2. High blood pressure56%
  3. Arthritis40%
  4. Ischemic heart disease24%
  5. Anxiety19%
  6. Mood disorders19%
  7. Atrial fibrillation17%
  8. Depression17%

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

Gregory Perrone'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%
  • Men39%

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

Gregory Allen Perrone wrote 250 Medicare Part D claims in 2024

In 2024, Gregory Perrone wrote 250 Medicare Part D claims for 95 patients. 60% of them were for generic drugs.

Part D claims, 2024250
Part D patients95

Gregory Perrone's Part D claims by kind of drug, 2024

  • Generic150 claims60%
  • Brand-name100 claims40%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Gregory Allen Perrone scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Gregory Perrone for performance year 2024, reported as part of a group. Gregory Perrone accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Gregory Perrone's MIPS scores, performance year 2024

  • 85of 100Final score
  • 96.3of 100Quality
  • 40of 100Improvement Activities
  • 54of 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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Gregory Allen Perrone received $22 in industry payments in 2025

CMS Open Payments shows 1 general payment to Gregory Perrone from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $22.

Companies that paid Gregory Perrone the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Gregory Perrone

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

Gregory Allen Perrone graduated from University of California - School of Optometry

Gregory Perrone graduated from University of California - School of Optometry in 1985.

  1. Medical schoolUniversity of California - School of Optometry

Source: Dmand AI Professional Profile Data

Sources for Gregory Allen Perrone'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 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 (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)
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 Gregory Allen Perrone

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Gregory Allen Perrone's NPI number?

Gregory Allen Perrone's NPI number is 1326149360. It was assigned on September 25, 2006, and it is active in the NPI Registry.

What does Gregory Allen Perrone specialize in?

Gregory Allen Perrone is an optometrist in Sebastopol, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Gregory Allen Perrone practice?

Gregory Perrone practices at 6880 Palm Avenue, Sebastopol, CA 95472. Gregory Perrone's primary practice is Sebastopol Specialty Center & Ambulatory Surgery Center in Sebastopol, California. Dmand AI also links Gregory Perrone to 1 medical group.

What is Gregory Allen Perrone's office phone number?

The practice phone on file for Gregory Perrone is (707) 823-7628.

What is Gregory Allen Perrone's medical license number?

Gregory Perrone holds California license OPT 8304T.

Does Gregory Allen Perrone accept Medicare?

Yes. CMS lists Gregory Perrone as accepting Medicare assignment.

What is Gregory Allen Perrone's MIPS score?

Gregory Perrone's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

How many Medicare patients does Gregory Allen Perrone see?

CMS counts 910 Medicare patients who saw Gregory Perrone in 2024, with an average age of 76.

Where did Gregory Allen Perrone go to medical school?

Gregory Perrone graduated from University of California - School of Optometry in 1985.

Has Gregory Allen Perrone received payments from drug or device companies?

CMS Open Payments shows $22 in general payments to Gregory Perrone from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.

How long has Gregory Allen Perrone been practicing?

Gregory Perrone graduated from medical school in 1985, 41 years ago.

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