Sharon Ruth Wittman-Klein, RPAC
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 32
- Hospital affiliations
- 3
- Industry payments
- $249
- Medical groups
- 4
- Practice address
- 565 Abbott Road, Buffalo, NY 14220
- Practice phone
- Call (716) 826-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Sharon Wittman-Klein'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.
Sharon Ruth Wittman-Klein is a physician assistant in Buffalo, New York
Sharon Wittman-Klein practices at Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System.
Sharon Wittman-Klein's NPI, 1326089087, was assigned on June 10, 2006.
- NPI
- 1326089087NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325109580
- NPI enumeration date
- June 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 826-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Sharon Ruth Wittman-Klein practices at Mercy Hospital of Buffalo in Buffalo, New York
Sharon Wittman-Klein's primary practice is Mercy Hospital of Buffalo, at 565 Abbott Road, Buffalo, NY 14220 in Erie County. The practice phone is (716) 826-7000.
- Mercy Hospital of Buffalo565 Abbott Road, Buffalo, NY 14220 · Erie CountyPhone(716) 826-7000
Source: Dmand AI Affiliation Data
Sharon Ruth Wittman-Klein is affiliated with 4 sites of care and 4 medical groups
Sharon Wittman-Klein's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Sharon Wittman-Klein is also affiliated with Sisters of Charity Hospital. The medical group on file is Mercy Hospital of Buffalo. Dmand AI also links Sharon Wittman-Klein to 1 more hospital, 3 medical groups and 1 group practice or clinic, each named with a free account. Sharon Wittman-Klein's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Sharon Ruth Wittman-Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sharon Wittman-Klein practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital of Buffalo | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Catholic Health System and 6.2K+ hospitals, with verified contacts in the same login.
Sharon Ruth Wittman-Klein is one of 2,670 physician assistants in New York
Medical is Sharon Wittman-Klein's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Sharon Wittman-Klein has a license on file in New York.
Specialties and state licenses
- Surgical physician assistant, New York
Physician assistants near Sharon Wittman-Klein
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
Sharon Ruth Wittman-Klein treated 15 Medicare patients in 2024, average age 81
CMS counts 15 Medicare patients who saw Sharon Wittman-Klein in 2024. The largest group is under 65, with 0 patients. 75% of them have arthritis, and 75% have heart failure. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Sharon Wittman-Klein's median patient age at 81, with 49% women.
Sharon Wittman-Klein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Sharon Wittman-Klein's Medicare patients, 2024
- Arthritis75%
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Chronic kidney disease73%
Share of Medicare patients with each condition. A patient can have several.
Sharon Wittman-Klein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sharon Ruth Wittman-Klein wrote 32 Medicare Part D claims in 2024
In 2024, Sharon Wittman-Klein wrote 32 Medicare Part D claims for 27 patients. 88% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $21 in total drug cost.
Sharon Wittman-Klein's Part D claims by kind of drug, 2024
- Generic28 claims88%
- Brand-name and other4 claims13%
Sharon Wittman-Klein'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 Sharon Wittman-Klein's Part D claims, 2024
- Antibiotics44%14 of 32 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Sharon Ruth Wittman-Klein takes part in Medicare
Sharon Wittman-Klein 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.
Sharon Ruth Wittman-Klein received $249 in industry payments in 2025
CMS Open Payments shows 17 general payments to Sharon Wittman-Klein from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $172.
Companies that paid Sharon Wittman-Klein 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 Sharon Ruth Wittman-Klein'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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 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 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 Sharon Ruth Wittman-Klein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sharon Ruth Wittman-Klein's NPI number?
Sharon Ruth Wittman-Klein's NPI number is 1326089087. It was assigned on June 10, 2006, and it is active in the NPI Registry.
What does Sharon Ruth Wittman-Klein specialize in?
Sharon Ruth Wittman-Klein is a physician assistant in Buffalo, New York. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Sharon Ruth Wittman-Klein practice?
Sharon Wittman-Klein practices at 565 Abbott Road, Buffalo, NY 14220. Sharon Wittman-Klein's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Dmand AI also links Sharon Wittman-Klein to 1 hospital, 3 medical groups and 1 group practice or clinic.
What is Sharon Ruth Wittman-Klein's office phone number?
The practice phone on file for Sharon Wittman-Klein is (716) 826-7000.
Which hospitals is Sharon Ruth Wittman-Klein affiliated with?
Sharon Wittman-Klein practices at Mercy Hospital of Buffalo in Buffalo, New York. Sharon Wittman-Klein is also affiliated with Sisters of Charity Hospital. Dmand AI links Sharon Wittman-Klein to 1 more hospital.
What medical group is Sharon Ruth Wittman-Klein part of?
Sharon Wittman-Klein is linked to Mercy Hospital of Buffalo. Dmand AI links Sharon Wittman-Klein to 3 more medical groups.
Does Sharon Ruth Wittman-Klein accept Medicare?
Yes. CMS lists Sharon Wittman-Klein as accepting Medicare assignment.
How many Medicare patients does Sharon Ruth Wittman-Klein see?
CMS counts 15 Medicare patients who saw Sharon Wittman-Klein in 2024, with an average age of 81.
What drugs does Sharon Ruth Wittman-Klein prescribe most?
In 2024 Medicare Part D data, Sharon Wittman-Klein's most prescribed drugs by claims were Prednisone.
Has Sharon Ruth Wittman-Klein received payments from drug or device companies?
CMS Open Payments shows $249 in general payments to Sharon Wittman-Klein from 2 companies from 2025 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Sharon Ruth Wittman-Klein been practicing?
Sharon Wittman-Klein graduated from medical school in 1999, 27 years ago.
Selling to medical practices?
See physician assistants in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card