Zachary Bergman

  • Farmington Hills, MI
  • Ophthalmologist
NPI1104321819PAC ID7113273160
Medicare services, 2024
2,614
Medicare patients, 2024
652
Part D claims, 2024
2,390
Publications
6
Industry payments
$223
Practice address
29990 Northwestern Hwy, Farmington Hills, MI 48334
Practice phone
Call (248) 538-6463
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Porretta & Bergman MD

Farmington Hills, Michigan

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Zachary Bergman is an ophthalmologist in Farmington Hills, Michigan

Zachary Bergman practices at Porretta & Bergman MD in Farmington Hills, Michigan.

Zachary Bergman's NPI, 1104321819, was assigned on March 26, 2018. Zachary Bergman graduated from Tulane University School of Medicine in 2018. Zachary Bergman holds Tennessee license 65148.

NPI and contact details
Medicare PAC ID
7113273160
NPI enumeration date
March 26, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(248) 538-6463
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

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

Zachary Bergman practices at Porretta & Bergman MD in Farmington Hills, Michigan

Zachary Bergman's primary practice is Porretta & Bergman MD, at 29990 Northwestern Hwy, Farmington Hills, MI 48334 in Oakland County. The practice phone is (248) 538-6463.

  • Porretta & Bergman MD
    29990 Northwestern Hwy, Farmington Hills, MI 48334 · Oakland CountyPhone(248) 538-6463

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

Zachary Bergman is affiliated with 2 sites of care and 1 medical group

Zachary Bergman's primary practice is Porretta & Bergman MD in Farmington Hills, Michigan. Dmand AI also links Zachary Bergman to 1 group practice or clinic and 1 medical group, each named with a free account.

See all 3 affiliations for Zachary Bergman

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

Dmand AI tracks the EHR system at Zachary Bergman's practice

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

EHR by site
SiteEHR vendor and product
Porretta & Bergman MDAvailable 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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Zachary Bergman is one of 653 ophthalmologists in Michigan

Ophthalmology is Zachary Bergman's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Zachary Bergman is licensed in Tennessee.

Specialties and state licenses

  • Ophthalmology, TennesseePrimaryLicense 65148 · taxonomy 207W00000X

Ophthalmologists near Zachary Bergman

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

653ophthalmologists in Michigan
9ophthalmologists in Farmington Hills

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

Zachary Bergman billed Medicare for 2,614 services in 2024

CMS data shows 2,614 Medicare services from Zachary Bergman across 20 procedure codes in 2024, for 652 Medicare patients. Medicare paid $181,591 for them.

Medicare services, 20242,614
Medicare patients652
Paid by Medicare$181,591
Procedure codes20

Zachary Bergman's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 5912024: 1,676184%
Office and hospital visits
2023: 1602024: 744365%
Lab and pathology
2023: 412024: 7480%
Surgery
2023: 02024: 66
Imaging
2023: 332024: 5464%

Where Zachary Bergman's Medicare services took place, 2024

  • In an office2,57298%
  • In a facility422%

Zachary Bergman compared with the Michigan median for ophthalmologists, 2024

  • Zachary Bergman
  • Michigan median
Medicare services
2,614vs 1,0802.4 times
Medicare patients
652vs 40461% above
Part D claims
2,254vs 6883.3 times

Medians across 670 ophthalmologists in Michigan with Dmand AI profiles that report each measure.

Zachary Bergman'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 Zachary Bergman

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

Zachary Bergman treated 652 Medicare patients in 2024, average age 76

CMS counts 652 Medicare patients who saw Zachary Bergman in 2024. The largest group is 65 to 74, with 266 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Zachary Bergman's median patient age at 71, with 63% women.

Medicare patients, 2024652
Average age76
Average risk score1.29
Also on Medicaid13%

Zachary Bergman's Medicare patients by age, 2024

Zachary Bergman's Medicare patients by sex, 2024

  • Women42064%
  • Men23236%

Chronic conditions among Zachary Bergman's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Diabetes37%
  5. Ischemic heart disease32%
  6. Anxiety24%
  7. Chronic kidney disease24%
  8. Mood disorders20%

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

Zachary Bergman's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women63%
  • Men36%

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

Zachary Bergman wrote 2,390 Medicare Part D claims in 2024

In 2024, Zachary Bergman wrote 2,390 Medicare Part D claims for 675 patients. 77% of them were for generic drugs. CMS names the drug for 2,254 of them, across 21 drugs with 11 or more claims each, at $148,276 in total drug cost. In 2023, CMS named 2,899 claims across 32 drugs.

Part D claims, 20242,390
Drugs named by CMS21
Total drug cost$148,276
Part D patients675

Zachary Bergman's Part D claims by kind of drug, 2024

  • Generic1,848 claims77%
  • Brand-name542 claims23%

Zachary Bergman'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 Zachary Bergman's Part D claims, 2024

  • Antibiotics0%11 of 2,390 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: 2,8992024: 2,25422%

Drugs named by CMS: 21 in 2024, 32 in 2023.

See all prescribing by Zachary Bergman

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

Zachary Bergman ranks in the 76th percentile for cataract surgery in Medicare

Zachary Bergman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 115 procedures of cataract surgery by Zachary Bergman, more than 76% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Zachary Bergman ranks in Medicare procedure volume

Cataract surgery
76th percentile115 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Zachary Bergman has 6 publications on record

Dmand AI links 6 papers to Zachary Bergman, published from 2022 to 2024. The most frequent topics are Glaucoma, Intraocular Pressure and Visual Acuity. Zachary Bergman's most frequent co-authors are Rachid Aouchiche, MD, John S. Douglas and Francis Lawson Grumbine, MD.

Papers6
Years published2022 to 2024

Zachary Bergman's papers by year, 2022 to 2024

Topics Zachary Bergman writes about most

  • Glaucoma
  • Intraocular Pressure
  • Visual Acuity

Zachary Bergman's most frequent co-authors

Recent publications by Zachary Bergman

See all 6 publications and co-authors

See who Zachary Bergman researches with

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

How network discovery works

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

Zachary Bergman received $223 in industry payments from 2023 to 2025

CMS Open Payments shows 8 general payments to Zachary Bergman from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $135.

General payments to Zachary Bergman by program year, 2023 to 2025

Companies that paid Zachary Bergman the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Zachary Bergman

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

Zachary Bergman graduated from Tulane University School of Medicine

Zachary Bergman graduated from Tulane University School of Medicine in 2018.

  1. Medical schoolTulane University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Zachary Bergman'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)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
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 Zachary Bergman

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

What is Zachary Bergman's NPI number?

Zachary Bergman's NPI number is 1104321819. It was assigned on March 26, 2018, and it is active in the NPI Registry.

What does Zachary Bergman specialize in?

Zachary Bergman is an ophthalmologist in Farmington Hills, Michigan. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Zachary Bergman practice?

Zachary Bergman practices at 29990 Northwestern Hwy, Farmington Hills, MI 48334. Zachary Bergman's primary practice is Porretta & Bergman MD in Farmington Hills, Michigan. Dmand AI also links Zachary Bergman to 1 group practice or clinic and 1 medical group.

What is Zachary Bergman's office phone number?

The practice phone on file for Zachary Bergman is (248) 538-6463.

What is Zachary Bergman's medical license number?

Zachary Bergman holds Tennessee license 65148.

Does Zachary Bergman accept Medicare?

Yes. CMS data shows Zachary Bergman billed Medicare for 2,614 services in 2024, and Zachary Bergman accepts Medicare assignment.

How many Medicare patients does Zachary Bergman see?

CMS counts 652 Medicare patients who saw Zachary Bergman in 2024, with an average age of 76.

What services does Zachary Bergman bill to Medicare?

In 2024, Zachary Bergman's most billed Medicare services were office visit, established patient (99214), eye exam or test (92250) and eye exam or test (92083).

Where did Zachary Bergman go to medical school?

Zachary Bergman graduated from Tulane University School of Medicine in 2018.

What drugs does Zachary Bergman prescribe most?

In 2024 Medicare Part D data, Zachary Bergman's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.

Show 4 more questionsShow fewer questions

Has Zachary Bergman received payments from drug or device companies?

CMS Open Payments shows $223 in general payments to Zachary Bergman from 5 companies from 2023 to 2025. The largest total came from Abbvie Inc.

How long has Zachary Bergman been practicing?

Zachary Bergman graduated from medical school in 2018, 8 years ago.

Does Zachary Bergman do research?

Dmand AI links 6 publications to Zachary Bergman, published from 2022 to 2024.

Who does Zachary Bergman publish with?

Zachary Bergman's most frequent co-authors are Rachid Aouchiche, MD (1 shared paper), John S. Douglas (1 shared paper) and Francis Lawson Grumbine, MD (1 shared paper).

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