Sydney Elizabeth Hattendorf, PA-C
- Medicare patients, 2024
- 119
- Part D claims, 2024
- 2,389
- Hospital affiliations
- 4
- Industry payments
- $166
- Medical group
- 1
- Practice address
- 2200 Jefferson Ave, Toledo, OH 43604
- Practice phone
- Call (888) 696-3541
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Health Physicians North Specialty Care
Toledo, Ohio
Find Sydney Hattendorf'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.
Sydney Elizabeth Hattendorf is a physician assistant in Toledo, Ohio
Sydney Hattendorf practices at Mercy Health Physicians North Specialty Care in Toledo, Ohio.
Sydney Hattendorf's NPI, 1336788827, was assigned on December 31, 2019. Sydney Hattendorf holds Ohio license 50006086.
- NPI
- 1336788827NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416384128
- NPI enumeration date
- December 31, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (888) 696-3541
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sydney Elizabeth Hattendorf practices at Mercy Health Physicians North Specialty Care in Toledo, Ohio
Sydney Hattendorf's primary practice is Mercy Health Physicians North Specialty Care, at 2200 Jefferson Ave, Toledo, OH 43604 in Lucas County. The practice phone is (888) 696-3541.
- Mercy Health Physicians North Specialty Care2200 Jefferson Ave, Toledo, OH 43604 · Lucas CountyPhone(888) 696-3541
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sydney Elizabeth Hattendorf is affiliated with 6 sites of care and 1 medical group
Sydney Hattendorf's primary practice is Mercy Health Physicians North Specialty Care in Toledo, Ohio. Sydney Hattendorf is also affiliated with ProMedica Toledo Hospital. The medical group on file is Mercy Health Physicians. Dmand AI also links Sydney Hattendorf to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Sydney Elizabeth Hattendorf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sydney Hattendorf practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Health Physicians North Specialty Care | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Sydney Elizabeth Hattendorf is one of 4,524 physician assistants in Ohio
Physician assistant is Sydney Hattendorf's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Sydney Hattendorf is licensed in Ohio.
Specialties and state licenses
- Physician assistant, OhioPrimary
Physician assistants near Sydney Hattendorf
Counts of physician assistants 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
Sydney Elizabeth Hattendorf treated 119 Medicare patients in 2024, average age 70
CMS counts 119 Medicare patients who saw Sydney Hattendorf in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Sydney Hattendorf's median patient age at 62, with 63% women.
Sydney Hattendorf's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sydney Hattendorf's Medicare patients by sex, 2024
- Women7160%
- Men4840%
Chronic conditions among Sydney Hattendorf's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes44%
- Anxiety37%
- Mood disorders37%
- Ischemic heart disease34%
- COPD33%
Share of Medicare patients with each condition. A patient can have several.
Sydney Hattendorf's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sydney Elizabeth Hattendorf wrote 2,389 Medicare Part D claims in 2024
In 2024, Sydney Hattendorf wrote 2,389 Medicare Part D claims for 416 patients. 82% of them were for generic drugs.
Sydney Hattendorf's Part D claims by kind of drug, 2024
- Generic1,968 claims82%
- Brand-name403 claims17%
- Other18 claims1%
Drug classes CMS tracks in Sydney Hattendorf's Part D claims, 2024
- Antibiotics2%49 of 2,389 claims
- Antipsychotics, patients 65 and over0%11 of 2,389 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Sydney Elizabeth Hattendorf takes part in Medicare
Sydney Hattendorf 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)
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Sydney Elizabeth Hattendorf received $166 in industry payments in 2025
CMS Open Payments shows 3 general payments to Sydney Hattendorf from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $125.
Companies that paid Sydney Hattendorf the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Sydney Elizabeth Hattendorf'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 DataDmand AI Org Hierarchy 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) |
| 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 Sydney Elizabeth Hattendorf
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sydney Elizabeth Hattendorf's NPI number?
Sydney Elizabeth Hattendorf's NPI number is 1336788827. It was assigned on December 31, 2019, and it is active in the NPI Registry.
What does Sydney Elizabeth Hattendorf specialize in?
Sydney Elizabeth Hattendorf is a physician assistant in Toledo, Ohio. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Sydney Elizabeth Hattendorf practice?
Sydney Hattendorf practices at 2200 Jefferson Ave, Toledo, OH 43604. Sydney Hattendorf's primary practice is Mercy Health Physicians North Specialty Care in Toledo, Ohio. Dmand AI also links Sydney Hattendorf to 3 hospitals and 1 group practice or clinic.
What is Sydney Elizabeth Hattendorf's office phone number?
The practice phone on file for Sydney Hattendorf is (888) 696-3541.
What is Sydney Elizabeth Hattendorf's medical license number?
Sydney Hattendorf holds Ohio license 50006086.
Which hospitals is Sydney Elizabeth Hattendorf affiliated with?
Sydney Hattendorf is affiliated with ProMedica Toledo Hospital. Dmand AI links Sydney Hattendorf to 3 more hospitals.
What medical group is Sydney Elizabeth Hattendorf part of?
Sydney Hattendorf is linked to Mercy Health Physicians.
Does Sydney Elizabeth Hattendorf accept Medicare?
Yes. CMS lists Sydney Hattendorf as accepting Medicare assignment.
How many Medicare patients does Sydney Elizabeth Hattendorf see?
CMS counts 119 Medicare patients who saw Sydney Hattendorf in 2024, with an average age of 70.
Has Sydney Elizabeth Hattendorf received payments from drug or device companies?
CMS Open Payments shows $166 in general payments to Sydney Hattendorf from 3 companies from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Sydney Elizabeth Hattendorf been practicing?
Sydney Hattendorf graduated from medical school in 2019, 7 years ago.
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