William Lawrence Gruhn, RPAC

  • Canandaigua, NY
  • Surgical physician assistant
NPI1588698682PAC ID1052413028
Medicare services, 2024
94
Medicare patients, 2024
72
Part D claims, 2024
880
Hospital affiliations
4
Medical groups
2
Practice address
350 Parrish Street, Canandaigua, NY 14424
Practice phone
Call (585) 396-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

F.F. Thompson Hospital

Hospital · Canandaigua, New York

See all 7 affiliations

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William Lawrence Gruhn is a surgical physician assistant in Canandaigua, New York

William Gruhn practices at F.F. Thompson Hospital in Canandaigua, New York, part of University of Rochester Medicine.

William Gruhn's NPI, 1588698682, was assigned on July 11, 2006. William Gruhn holds New York license 010346.

NPI and contact details
Medicare PAC ID
1052413028
NPI enumeration date
July 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(585) 396-6000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
48
Medical school graduation
2004

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

William Lawrence Gruhn practices at F.F. Thompson Hospital in Canandaigua, New York

William Gruhn's primary practice is F.F. Thompson Hospital, at 350 Parrish Street, Canandaigua, NY 14424 in Ontario County. The practice phone is (585) 396-6000.

Source: Dmand AI Affiliation Data

William Lawrence Gruhn is affiliated with 5 sites of care and 2 medical groups

William Gruhn's primary practice is F.F. Thompson Hospital in Canandaigua, New York, part of University of Rochester Medicine. William Gruhn is also affiliated with Strong Memorial Hospital. The medical group on file is University of Rochester Medical Faculty Group. Dmand AI also links William Gruhn to 2 more hospitals, 1 skilled nursing facility and 1 medical group, each named with a free account.

See all 7 affiliations for William Gruhn

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

Dmand AI tracks the EHR system at William Lawrence Gruhn's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Gruhn practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
F.F. Thompson HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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William Lawrence Gruhn is one of 1,635 surgical physician assistants in New York

Surgical is William Gruhn's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. William Gruhn is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). William Gruhn is licensed in New York.

Specialties and state licenses

  • Surgical physician assistant, New YorkPrimaryLicense 10346 · taxonomy 363AS0400X

Clinical focus

Dmand AI lists bursitis, fibromyalgia and chronic pain, joint cyst, lower back pain, neck pain and spine problems, scoliosis and thoracic spine disorders among the conditions William Gruhn treats.

Surgical physician assistants near William Gruhn

Counts of surgical 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

William Lawrence Gruhn billed Medicare for 94 services in 2024

CMS data shows 94 Medicare services from William Gruhn across 3 procedure codes in 2024, all of them office visits, for 72 Medicare patients. Medicare paid $4,318 for them. Every service was in an office.

Medicare services, 202494
Medicare patients72
Paid by Medicare$4,318
Procedure codes3

William Gruhn compared with the New York median for surgical physician assistants, 2024

  • William Gruhn
  • New York median
Medicare services
94vs 11720% below
Medicare patients
72vs 5141% above
Part D claims
824vs 1107.5 times

Medians across 1,072 surgical physician assistants in New York with Dmand AI profiles that report each measure.

William Gruhn's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

William Lawrence Gruhn treated 72 Medicare patients in 2024, average age 71

CMS counts 72 Medicare patients who saw William Gruhn in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have arthritis, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts William Gruhn's median patient age at 64, with 46% women.

Medicare patients, 202472
Average age71
Average risk score1.01
Also on Medicaid24%

William Gruhn's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

William Gruhn's Medicare patients by sex, 2024

  • Women4461%
  • Men2839%

Chronic conditions among William Gruhn's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure68%
  4. Mood disorders32%
  5. Depression28%
  6. Anxiety26%
  7. Diabetes24%
  8. Asthma21%

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

William Gruhn's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women46%
  • Men53%

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

William Lawrence Gruhn wrote 880 Medicare Part D claims in 2024

In 2024, William Gruhn wrote 880 Medicare Part D claims for 284 patients. 100% of them were for generic drugs. CMS names the drug for 824 of them, across 11 drugs with 11 or more claims each, at $5,453 in total drug cost.

Part D claims, 2024880
Drugs named by CMS11
Total drug cost$5,453
Part D patients284

William Gruhn's Part D claims by kind of drug, 2024

  • Generic879 claims100%
  • Brand-name and other1 claims0%

William Gruhn'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 William Gruhn's Part D claims, 2024

  • Opioids17%149 of 880 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by William Gruhn

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

William Lawrence Gruhn offers telehealth to Medicare patients

William Gruhn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists William Gruhn as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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William Lawrence Gruhn is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for William Lawrence Gruhn'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Lawrence Gruhn

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 Lawrence Gruhn's NPI number?

William Lawrence Gruhn's NPI number is 1588698682. It was assigned on July 11, 2006, and it is active in the NPI Registry.

What does William Lawrence Gruhn specialize in?

William Lawrence Gruhn is a surgical physician assistant in Canandaigua, New York. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).

Where does William Lawrence Gruhn practice?

William Gruhn practices at 350 Parrish Street, Canandaigua, NY 14424. William Gruhn's primary practice is F.F. Thompson Hospital in Canandaigua, New York, part of University of Rochester Medicine. Dmand AI also links William Gruhn to 2 hospitals, 1 skilled nursing facility and 1 medical group.

What is William Lawrence Gruhn's office phone number?

The practice phone on file for William Gruhn is (585) 396-6000.

What is William Lawrence Gruhn's medical license number?

William Gruhn holds New York license 010346.

Which hospitals is William Lawrence Gruhn affiliated with?

William Gruhn practices at F.F. Thompson Hospital in Canandaigua, New York. William Gruhn is also affiliated with Strong Memorial Hospital. Dmand AI links William Gruhn to 2 more hospitals.

What medical group is William Lawrence Gruhn part of?

William Gruhn is linked to University of Rochester Medical Faculty Group. Dmand AI links William Gruhn to 1 more medical group.

Does William Lawrence Gruhn accept Medicare?

Yes. CMS data shows William Gruhn billed Medicare for 94 services in 2024, and William Gruhn accepts Medicare assignment.

Does William Lawrence Gruhn offer telehealth?

Yes. The CMS Doctors and Clinicians file lists William Gruhn as offering telehealth services.

How many Medicare patients does William Lawrence Gruhn see?

CMS counts 72 Medicare patients who saw William Gruhn in 2024, with an average age of 71.

Show 4 more questionsShow fewer questions

Is William Lawrence Gruhn board certified?

Yes. William Gruhn is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What services does William Lawrence Gruhn bill to Medicare?

In 2024, William Gruhn's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99212) and office visit, new patient (99203).

What drugs does William Lawrence Gruhn prescribe most?

In 2024 Medicare Part D data, William Gruhn's most prescribed drugs by claims were Gabapentin, Meloxicam and Methylprednisolone.

How long has William Lawrence Gruhn been practicing?

William Gruhn graduated from medical school in 2004, 22 years ago.

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