Tammy Kay Hersch, OD
- Medicare patients, 2024
- 358
- Part D claims, 2024
- 237
- Industry payments
- $19
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1420 North Ave, Spearfish, SD 57783
- Practice phone
- Call (605) 642-0387
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Family Optical P C
Spearfish, South Dakota
Find Tammy Hersch'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.
Tammy Kay Hersch is an optometrist in Spearfish, South Dakota
Tammy Hersch practices at Family Optical P C in Spearfish, South Dakota.
Tammy Hersch's NPI, 1609855980, was assigned on January 13, 2006. Tammy Hersch graduated from Pacific University - College of Optometry in 1993. Tammy Hersch holds South Dakota license 508.
- NPI
- 1609855980NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739161811
- NPI enumeration date
- January 13, 2006
- NPI status
- Active
- Practice phone
- (605) 642-0387
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Tammy Kay Hersch practices at Family Optical P C in Spearfish, South Dakota
Tammy Hersch's primary practice is Family Optical P C, at 1420 North Ave, Spearfish, SD 57783 in Lawrence County. The practice phone is (605) 642-0387.
- Family Optical P C1420 North Ave, Spearfish, SD 57783 · Lawrence CountyPhone(605) 642-0387
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Tammy Kay Hersch is affiliated with 2 sites of care and 1 medical group
Tammy Hersch's primary practice is Family Optical P C in Spearfish, South Dakota. Dmand AI also links Tammy Hersch to 1 group practice or clinic and 1 medical group, each 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 Tammy Kay Hersch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Hersch practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Family Optical P C | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Tammy Kay Hersch is one of 242 optometrists in South Dakota
Optometrist is Tammy Hersch's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Tammy Hersch is licensed in South Dakota.
Specialties and state licenses
- Optometrist, South DakotaPrimary
Optometrists near Tammy Hersch
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
Tammy Kay Hersch treated 358 Medicare patients in 2024, average age 74
CMS counts 358 Medicare patients who saw Tammy Hersch in 2024. The largest group is 65 to 74, with 198 patients. 56% of them have high blood pressure, and 56% have high cholesterol. 6% are also on Medicaid. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tammy Hersch's median patient age at 76, with 64% women.
Tammy Hersch's Medicare patients by age, 2024
Tammy Hersch's Medicare patients by sex, 2024
- Women21059%
- Men14841%
Chronic conditions among Tammy Hersch's Medicare patients, 2024
- High blood pressure56%
- High cholesterol56%
- Arthritis37%
- Osteoporosis23%
- Diabetes19%
- Mood disorders16%
- Anxiety15%
- Depression15%
Share of Medicare patients with each condition. A patient can have several.
Tammy Hersch'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
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tammy Kay Hersch wrote 237 Medicare Part D claims in 2024
In 2024, Tammy Hersch wrote 237 Medicare Part D claims for 65 patients. 53% of them were for generic drugs.
Tammy Hersch's Part D claims by kind of drug, 2024
- Generic125 claims53%
- Brand-name112 claims47%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Tammy Kay Hersch ranks in the 60th percentile for cataract surgery in Medicare
CMS counts 43 procedures of cataract surgery by Tammy Hersch, more than 60% of the clinicians it reports for that procedure.
Where Tammy Hersch ranks in Medicare procedure volume
- Cataract surgery
- 60th percentile43 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Source: Doctors and Clinicians Utilization Data (CMS)
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Tammy Kay Hersch received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tammy Hersch from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $19.
Companies that paid Tammy Hersch the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Tammy Kay Hersch graduated from Pacific University - College of Optometry
Tammy Hersch graduated from Pacific University - College of Optometry in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Tammy Kay Hersch'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 Utilization Data (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 Tammy Kay Hersch
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tammy Kay Hersch's NPI number?
Tammy Kay Hersch's NPI number is 1609855980. It was assigned on January 13, 2006, and it is active in the NPI Registry.
What does Tammy Kay Hersch specialize in?
Tammy Kay Hersch is an optometrist in Spearfish, South Dakota. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Tammy Kay Hersch practice?
Tammy Hersch practices at 1420 North Ave, Spearfish, SD 57783. Tammy Hersch's primary practice is Family Optical P C in Spearfish, South Dakota. Dmand AI also links Tammy Hersch to 1 group practice or clinic and 1 medical group.
What is Tammy Kay Hersch's office phone number?
The practice phone on file for Tammy Hersch is (605) 642-0387.
What is Tammy Kay Hersch's medical license number?
Tammy Hersch holds South Dakota license 508.
How many Medicare patients does Tammy Kay Hersch see?
CMS counts 358 Medicare patients who saw Tammy Hersch in 2024, with an average age of 74.
Where did Tammy Kay Hersch go to medical school?
Tammy Hersch graduated from Pacific University - College of Optometry in 1993.
Has Tammy Kay Hersch received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Tammy Hersch from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Tammy Kay Hersch been practicing?
Tammy Hersch graduated from medical school in 1993, 33 years ago.
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