Robert Gustav Haak, OD
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 85
- Industry payments
- $123
- Affiliated sites
- 1
- State licenses
- 3
- Practice address
- 320 King of Prussia Rd, Radnor, PA 19087
- Practice phone
- Call (610) 688-8801
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Radnor Medical Associates
Radnor, Pennsylvania
Find Robert Haak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Robert Gustav Haak is an optometrist in Radnor, Pennsylvania
Robert Haak practices at Radnor Medical Associates in Radnor, Pennsylvania.
Robert Haak's NPI, 1629019682, was assigned on June 9, 2006. Robert Haak graduated from Pennsylvania College of Optometry in 1999. Robert Haak holds Pennsylvania license OEG000298.
- NPI
- 1629019682NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395869440
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 688-8801
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Gustav Haak practices at Radnor Medical Associates in Radnor, Pennsylvania
Robert Haak's primary practice is Radnor Medical Associates, at 320 King of Prussia Rd, Radnor, PA 19087 in Delaware County. The practice phone is (610) 688-8801.
- Radnor Medical Associates320 King of Prussia Rd, Radnor, PA 19087 · Delaware CountyPhone(610) 688-8801
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Robert Gustav Haak is affiliated with 2 sites of care
Robert Haak's primary practice is Radnor Medical Associates in Radnor, Pennsylvania. Dmand AI also links Robert Haak to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Robert Gustav Haak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Haak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Radnor Medical Associates | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert Gustav Haak is one of 1,750 optometrists in Pennsylvania
Optometrist is Robert Haak's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Robert Haak's licenses on file in 3 states: Pennsylvania, Delaware and New Jersey.
Specialties and state licenses
- Optometrist, PennsylvaniaPrimary
- Delaware license
- New Jersey license
Optometrists near Robert Haak
Counts of optometrists 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
Robert Gustav Haak treated 47 Medicare patients in 2024, average age 76
CMS counts 47 Medicare patients who saw Robert Haak in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Robert Haak's median patient age at 65, with 68% women.
Robert Haak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Robert Haak's Medicare patients by sex, 2024
- Women2451%
- Men2349%
Chronic conditions among Robert Haak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease32%
- Anxiety23%
- Cancer23%
Share of Medicare patients with each condition. A patient can have several.
Robert Haak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Robert Gustav Haak wrote 85 Medicare Part D claims in 2024
In 2024, Robert Haak wrote 85 Medicare Part D claims for 14 patients. 84% of them were for generic drugs.
Robert Haak's Part D claims by kind of drug, 2024
- Generic71 claims84%
- Brand-name14 claims16%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Robert Gustav Haak takes part in Medicare
Robert Haak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Robert Gustav Haak received $123 in industry payments in 2025
CMS Open Payments shows 3 general payments to Robert Haak from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sight Sciences, Inc. paid the most, $95.
Companies that paid Robert Haak the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert Gustav Haak graduated from Pennsylvania College of Optometry
Robert Haak graduated from Pennsylvania College of Optometry in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Robert Gustav Haak's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Robert Gustav Haak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert Gustav Haak's NPI number?
Robert Gustav Haak's NPI number is 1629019682. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What does Robert Gustav Haak specialize in?
Robert Gustav Haak is an optometrist in Radnor, Pennsylvania. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Robert Gustav Haak practice?
Robert Haak practices at 320 King of Prussia Rd, Radnor, PA 19087. Robert Haak's primary practice is Radnor Medical Associates in Radnor, Pennsylvania. Dmand AI also links Robert Haak to 1 physician office.
What is Robert Gustav Haak's office phone number?
The practice phone on file for Robert Haak is (610) 688-8801.
What is Robert Gustav Haak's medical license number?
Robert Haak holds Pennsylvania license OEG000298, one of the licenses on file in 3 states.
Which states has Robert Gustav Haak been licensed in?
Dmand AI has state licenses on file for Robert Haak in Pennsylvania, Delaware and New Jersey.
Does Robert Gustav Haak accept Medicare?
Yes. CMS lists Robert Haak as accepting Medicare assignment.
How many Medicare patients does Robert Gustav Haak see?
CMS counts 47 Medicare patients who saw Robert Haak in 2024, with an average age of 76.
Where did Robert Gustav Haak go to medical school?
Robert Haak graduated from Pennsylvania College of Optometry in 1999.
Has Robert Gustav Haak received payments from drug or device companies?
CMS Open Payments shows $123 in general payments to Robert Haak from 2 companies from 2025 to 2025. The largest total came from Sight Sciences, Inc.
How long has Robert Gustav Haak been practicing?
Robert Haak graduated from medical school in 1999, 27 years ago.
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