Dr. William Joseph Grimm, DO

  • Palm Springs, CA
  • Internist
NPI1407841315PAC ID5799771127
Medicare services, 2024
14,481
Medicare patients, 2024
227
Part D claims, 2024
3,588
Hospital affiliations
2
Industry payments
$1,281
Practice address
1492 N Palm Canyon Dr, Palm Springs, CA 92262
Practice phone
Call (760) 322-5156
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Desert Primary Care Medical Associates, Inc.

Palm Springs, California

See all 5 affiliations

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Dr. William Joseph Grimm is an internist in Palm Springs, California

Dr. Grimm practices at Desert Primary Care Medical Associates, Inc. in Palm Springs, California.

Dr. Grimm's NPI, 1407841315, was assigned on September 16, 2005. Dr. Grimm graduated from Pcom in 1988. Dr. Grimm holds California license 20A6067.

NPI and contact details
Medicare PAC ID
5799771127
NPI enumeration date
September 16, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(760) 322-5156
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

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

Dr. William Joseph Grimm practices at Desert Primary Care Medical Associates, Inc. in Palm Springs, California

Dr. Grimm's primary practice is Desert Primary Care Medical Associates, Inc., at 1492 N Palm Canyon Dr, Palm Springs, CA 92262 in Riverside County. The practice phone is (760) 322-5156.

  • Desert Primary Care Medical Associates, Inc.
    1492 N Palm Canyon Dr, Palm Springs, CA 92262 · Riverside CountyPhone(760) 322-5156

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. William Joseph Grimm is affiliated with 5 sites of care

Dr. Grimm's primary practice is Desert Primary Care Medical Associates, Inc. in Palm Springs, California. Dr. Grimm is also affiliated with Desert Regional Medical Center. Dmand AI also links Dr. Grimm to 1 more hospital, 1 physician office and 1 home health agency, each named with a free account.

See all 5 affiliations for Dr. Grimm

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 Dr. William Joseph Grimm's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grimm practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Desert Primary Care Medical Associates, Inc.Available with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William Joseph Grimm is one of 16,751 internists in California

Internal medicine is Dr. Grimm's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Grimm's licenses on file in 2 states: California and Pennsylvania.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 20A6067 · 1991 to 2027 · taxonomy 207R00000X
  • Pennsylvania license1989 to 2002

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, acute kidney failure, acute sinusitis, acute skin infection, ADHD, alzheimer's disease and aneurysm among the conditions Dr. Grimm treats.

Internists near Dr. Grimm

Counts of internists 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

Dr. William Joseph Grimm billed Medicare for 14,481 services in 2024

CMS data shows 14,481 Medicare services from Dr. Grimm across 25 procedure codes in 2024, for 227 Medicare patients. Medicare paid $532,156 for them. Every service was in an office.

Medicare services, 202414,481
Medicare patients227
Paid by Medicare$532,156
Procedure codes25

Dr. Grimm's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 3,5832024: 8,150127%
Office and hospital visits
2023: 1,8102024: 2,85658%
Tests and treatments
2023: 5,9312024: 2,67955%
Drugs given in the office
2023: 5,1072024: 59588%
Other services
2023: 2092024: 2014%

Dr. Grimm compared with the California median for internists, 2024

  • Dr. Grimm
  • California median
Medicare services
14,481vs 36140.1 times
Medicare patients
227vs 15150% above
Part D claims
2,883vs 4216.8 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Grimm'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.

See all procedures by Dr. Grimm

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

Dr. William Joseph Grimm treated 227 Medicare patients in 2024, average age 76

CMS counts 227 Medicare patients who saw Dr. Grimm in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.21, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Grimm's median patient age at 74, with 30% women.

Medicare patients, 2024227
Average age76
Average risk score1.21

Dr. Grimm's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Grimm's Medicare patients by sex, 2024

  • Women7633%
  • Men15167%

Chronic conditions among Dr. Grimm's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis53%
  4. Ischemic heart disease35%
  5. Anxiety29%
  6. Chronic kidney disease25%
  7. Mood disorders25%
  8. Osteoporosis25%

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

Dr. Grimm's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women30%
  • Men70%

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

Dr. William Joseph Grimm wrote 3,588 Medicare Part D claims in 2024

In 2024, Dr. Grimm wrote 3,588 Medicare Part D claims for 192 patients. 80% of them were for generic drugs. CMS names the drug for 2,883 of them, across 88 drugs with 11 or more claims each, at $1,438,639 in total drug cost. In 2023, CMS named 3,018 claims across 86 drugs.

Part D claims, 20243,588
Drugs named by CMS88
Total drug cost$1.4M
Part D patients192

Dr. Grimm's Part D claims by kind of drug, 2024

  • Generic2,857 claims80%
  • Brand-name699 claims19%
  • Other32 claims1%

Dr. Grimm'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 Dr. Grimm's Part D claims, 2024

  • Opioids3%101 of 3,588 claims
  • Antibiotics5%171 of 3,588 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3,0182024: 2,8834%

Drugs named by CMS: 88 in 2024, 86 in 2023.

See all prescribing by Dr. Grimm

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

Dr. William Joseph Grimm offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. William Joseph Grimm received $1,281 in industry payments from 2016 to 2025

CMS Open Payments shows 74 general payments to Dr. Grimm from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. ViiV Healthcare Company paid the most, $687.

General payments to Dr. Grimm by program year, 2016 to 2025

General payments to Dr. Grimm by kind, 2016 to 2025

$1.3Kin total
  • Food and beverage$1,20194%
  • Education$806%

Companies that paid Dr. Grimm the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Grimm

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

Dr. William Joseph Grimm graduated from Pcom

Dr. Grimm graduated from Pcom in 1988.

  1. Medical schoolPcom

Source: Dmand AI Professional Profile Data

Dr. William Joseph Grimm accepts plans from 15 insurance carriers

Dr. Grimm is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Grimm accepts, by number of carriers

  1. PPO10
  2. HMO6
  3. Medicare6
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. William Joseph Grimm'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Dr. William Joseph Grimm

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

What is Dr. William Joseph Grimm's NPI number?

Dr. William Joseph Grimm's NPI number is 1407841315. It was assigned on September 16, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. William Joseph Grimm?

Dr. William Joseph Grimm is an internist in Palm Springs, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. William Joseph Grimm practice?

Dr. Grimm practices at 1492 N Palm Canyon Dr, Palm Springs, CA 92262. Dr. Grimm's primary practice is Desert Primary Care Medical Associates, Inc. in Palm Springs, California. Dmand AI also links Dr. Grimm to 1 hospital, 1 physician office and 1 home health agency.

What is Dr. William Joseph Grimm's office phone number?

The practice phone on file for Dr. Grimm is (760) 322-5156.

What is Dr. William Joseph Grimm's medical license number?

Dr. Grimm holds California license 20A6067, one of the licenses on file in 2 states.

Which states has Dr. William Joseph Grimm been licensed in?

Dmand AI has state licenses on file for Dr. Grimm in California (1991 to 2027) and Pennsylvania (1989 to 2002).

Which hospitals is Dr. William Joseph Grimm affiliated with?

Dr. Grimm is affiliated with Desert Regional Medical Center. Dmand AI links Dr. Grimm to 1 more hospital.

Does Dr. William Joseph Grimm accept Medicare?

Yes. CMS data shows Dr. Grimm billed Medicare for 14,481 services in 2024, and Dr. Grimm accepts Medicare assignment.

Does Dr. William Joseph Grimm offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Grimm as offering telehealth services.

How many Medicare patients does Dr. William Joseph Grimm see?

CMS counts 227 Medicare patients who saw Dr. Grimm in 2024, with an average age of 76.

Show 6 more questionsShow fewer questions

What services does Dr. William Joseph Grimm bill to Medicare?

In 2024, Dr. Grimm's most billed Medicare services were surgery: brain, spine and nerves (64450), physical therapy and rehabilitation (97112) and care management and other visits (99458).

Where did Dr. William Joseph Grimm go to medical school?

Dr. Grimm graduated from Pcom in 1988.

What drugs does Dr. William Joseph Grimm prescribe most?

In 2024 Medicare Part D data, Dr. Grimm's most prescribed drugs by claims were Rosuvastatin Calcium, Levothyroxine Sodium and Genvoya.

Has Dr. William Joseph Grimm received payments from drug or device companies?

CMS Open Payments shows $1,281 in general payments to Dr. Grimm from 12 companies from 2016 to 2025. The largest total came from ViiV Healthcare Company.

How long has Dr. William Joseph Grimm been practicing?

Dr. Grimm graduated from medical school in 1988, 38 years ago.

What insurance does Dr. William Joseph Grimm accept?

Dr. Grimm is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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