William Carl Rivera, CRNA

  • Salisbury, MD
  • Nurse anesthetist
NPI1205995529PAC ID8426077694
Medicare patients, 2024
244
Hospital affiliations
3
Industry payments
$25
Medical groups
8
State licenses
4
Practice address
100 East Carroll Avenue, Salisbury, MD 21801
Practice phone
Call (410) 546-6400
Professional email
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Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

TidalHealth Peninsula Regional

Hospital · Salisbury, Maryland

See all 14 affiliations

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William Carl Rivera is a nurse anesthetist in Salisbury, Maryland

William Rivera practices at TidalHealth Peninsula Regional in Salisbury, Maryland, part of TidalHealth Peninsula Regional.

William Rivera's NPI, 1205995529, was assigned on December 6, 2006. William Rivera holds New Hampshire license 084359-23.

NPI and contact details
Medicare PAC ID
8426077694
NPI enumeration date
December 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 546-6400
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

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

William Carl Rivera practices at TidalHealth Peninsula Regional in Salisbury, Maryland

William Rivera's primary practice is TidalHealth Peninsula Regional, at 100 East Carroll Avenue, Salisbury, MD 21801 in Wicomico County. The practice phone is (410) 546-6400.

Source: Dmand AI Affiliation Data

William Carl Rivera is affiliated with 6 sites of care and 8 medical groups

William Rivera's primary practice is TidalHealth Peninsula Regional in Salisbury, Maryland, part of TidalHealth Peninsula Regional. William Rivera is also affiliated with TidalHealth Nanticoke. The medical group on file is American Anesthesiology. Dmand AI also links William Rivera to 1 more hospital, 7 medical groups, 1 community health center, 1 group practice or clinic and 1 ambulatory surgery center, each named with a free account.

See all 14 affiliations for William Rivera

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at William Carl Rivera's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Rivera practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
TidalHealth Peninsula RegionalAvailable with a free account
+5 more sites and 7 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where William Rivera practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across TidalHealth Peninsula Regional and 6.2K+ hospitals, with verified contacts in the same login.

William Carl Rivera is one of 871 nurse anesthetists in Maryland

Nurse anesthetist, certified registered is William Rivera's primary specialty in the NPI Registry, under taxonomy code 367500000X. Dmand AI has William Rivera's licenses on file in 4 states: New Hampshire, District of Columbia, Maryland and Virginia.

Specialties and state licenses

  • Certified registered nurse anesthetist, New HampshirePrimaryLicense 084359-23 · taxonomy 367500000X
  • District of Columbia licenseLicense RN59997
  • Maryland licenseLicense R115089
  • Virginia licenseLicense 0024165528

Nurse anesthetists near William Rivera

Counts of nurse anesthetists 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

William Carl Rivera treated 244 Medicare patients in 2024, average age 74

CMS counts 244 Medicare patients who saw William Rivera in 2024. The largest group is 65 to 74, with 128 patients. 75% of them have high cholesterol, and 60% have high blood pressure. Their average risk score is 0.75, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts William Rivera's median patient age at 58, with 57% women.

Medicare patients, 2024244
Average age74
Average risk score0.75

William Rivera's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

William Rivera's Medicare patients by sex, 2024

  • Women13857%
  • Men10643%

Chronic conditions among William Rivera's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure60%
  3. Arthritis53%
  4. Mood disorders21%
  5. Diabetes20%
  6. Ischemic heart disease20%
  7. Anxiety18%
  8. Depression18%

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

William Rivera's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

How William Carl Rivera takes part in Medicare

William Rivera 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)

William Carl Rivera received $25 in industry payments in 2025

CMS Open Payments shows 1 general payment to William Rivera from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $25.

Companies that paid William Rivera the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to William Rivera

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

Sources for William Carl Rivera'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 William Carl Rivera

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

What is William Carl Rivera's NPI number?

William Carl Rivera's NPI number is 1205995529. It was assigned on December 6, 2006, and it is active in the NPI Registry.

What does William Carl Rivera specialize in?

William Carl Rivera is a nurse anesthetist in Salisbury, Maryland. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).

Where does William Carl Rivera practice?

William Rivera practices at 100 East Carroll Avenue, Salisbury, MD 21801. William Rivera's primary practice is TidalHealth Peninsula Regional in Salisbury, Maryland, part of TidalHealth Peninsula Regional. Dmand AI also links William Rivera to 1 hospital, 7 medical groups, 1 community health center, 1 group practice or clinic and 1 ambulatory surgery center.

What is William Carl Rivera's office phone number?

The practice phone on file for William Rivera is (410) 546-6400.

What is William Carl Rivera's medical license number?

William Rivera holds New Hampshire license 084359-23, one of the licenses on file in 4 states.

Which states has William Carl Rivera been licensed in?

Dmand AI has state licenses on file for William Rivera in New Hampshire, District of Columbia, Maryland and Virginia.

Which hospitals is William Carl Rivera affiliated with?

William Rivera practices at TidalHealth Peninsula Regional in Salisbury, Maryland. William Rivera is also affiliated with TidalHealth Nanticoke. Dmand AI links William Rivera to 1 more hospital.

What medical group is William Carl Rivera part of?

William Rivera is linked to American Anesthesiology. Dmand AI links William Rivera to 7 more medical groups.

Does William Carl Rivera accept Medicare?

Yes. CMS lists William Rivera as accepting Medicare assignment.

How many Medicare patients does William Carl Rivera see?

CMS counts 244 Medicare patients who saw William Rivera in 2024, with an average age of 74.

Has William Carl Rivera received payments from drug or device companies?

CMS Open Payments shows $25 in general payments to William Rivera from 1 company from 2025 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.

How long has William Carl Rivera been practicing?

William Rivera graduated from medical school in 2000, 26 years ago.

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