Mark Richard Gruidl, NP
- Medicare services, 2024
- 3,642
- Medicare patients, 2024
- 411
- Part D claims, 2024
- 2,799
- MIPS score, 2024
- 22
- Affiliated sites
- 2
- Practice address
- 290 Heather Court, Templeton, CA 93465
- Practice phone
- Call (805) 434-3035
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vineyard Hills Health Center
Skilled Nursing Facility · Templeton, California
Find Mark Gruidl'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.
Mark Richard Gruidl is a nurse practitioner in Templeton, California
Mark Gruidl practices at Vineyard Hills Health Center in Templeton, California.
Mark Gruidl's NPI, 1427045848, was assigned on September 30, 2005. Mark Gruidl holds California license NP8286.
- NPI
- 1427045848NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971497140
- NPI enumeration date
- September 30, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 434-3035
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Richard Gruidl practices at Vineyard Hills Health Center in Templeton, California
Mark Gruidl's primary practice is Vineyard Hills Health Center, at 290 Heather Court, Templeton, CA 93465 in San Luis Obispo County. The practice phone is (805) 434-3035.
- Vineyard Hills Health Center290 Heather Court, Templeton, CA 93465 · San Luis Obispo CountyPhone(805) 434-3035
Source: Dmand AI Affiliation Data
Mark Richard Gruidl is affiliated with 2 sites of care
Mark Gruidl's primary practice is Vineyard Hills Health Center in Templeton, California. Dmand AI also links Mark Gruidl to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark Richard Gruidl's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Gruidl practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vineyard Hills Health Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Richard Gruidl is one of 5,983 nurse practitioners in California
Nurse practitioner is Mark Gruidl's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mark Gruidl is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists alzheimer's disease, arteritis, arthritis, asthma, bladder disease, chronic diabetes, chronic kidney disease and chronic obstructive pulmonary disease (COPD) among the conditions Mark Gruidl treats.
Nurse practitioners near Mark Gruidl
Counts of nurse practitioners 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
Mark Richard Gruidl billed Medicare for 3,642 services in 2024
CMS data shows 3,642 Medicare services from Mark Gruidl across 5 procedure codes in 2024, for 411 Medicare patients. Medicare paid $230,537 for them.
Where Mark Gruidl's Medicare services took place, 2024
- In an office2,44067%
- In a facility1,20233%
Mark Gruidl compared with the California median for nurse practitioners, 2024
- Mark Gruidl
- California median
- Medicare services
- 3,642vs 27913.1 times
- Medicare patients
- 411vs 924.5 times
- Part D claims
- 2,561vs 3667.0 times
Medians across 3,047 nurse practitioners in California with Dmand AI profiles that report each measure.
Mark Gruidl'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
Mark Richard Gruidl treated 411 Medicare patients in 2024, average age 84
CMS counts 411 Medicare patients who saw Mark Gruidl in 2024. The largest group is 85 and over, with 215 patients. 75% of them have high blood pressure, and 66% have arthritis. 32% are also on Medicaid. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Gruidl's median patient age at 67, with 53% women.
Mark Gruidl's Medicare patients by age, 2024
Mark Gruidl's Medicare patients by sex, 2024
- Women26865%
- Men14335%
Chronic conditions among Mark Gruidl's Medicare patients, 2024
- High blood pressure75%
- Arthritis66%
- High cholesterol63%
- Alzheimer's and dementia53%
- Mood disorders50%
- Depression48%
- Anxiety43%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Mark Gruidl's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women53%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Richard Gruidl wrote 2,799 Medicare Part D claims in 2024
In 2024, Mark Gruidl wrote 2,799 Medicare Part D claims for 154 patients. 92% of them were for generic drugs. CMS names the drug for 2,561 of them, across 48 drugs with 11 or more claims each, at $45,240 in total drug cost.
Mark Gruidl's Part D claims by kind of drug, 2024
- Generic2,589 claims92%
- Brand-name and other210 claims8%
Mark Gruidl'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 Mark Gruidl's Part D claims, 2024
- Opioids13%377 of 2,799 claims
- Antibiotics1%38 of 2,799 claims
- Antipsychotics, patients 65 and over2%62 of 2,799 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
Mark Richard Gruidl scored 22 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Mark Gruidl for performance year 2024, reported individually. Mark Gruidl accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mark Gruidl's MIPS scores, performance year 2024
- 22of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Mark Richard Gruidl'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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)Clinician Public Reporting: Overall MIPS Performance (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 Mark Richard Gruidl
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Richard Gruidl's NPI number?
Mark Richard Gruidl's NPI number is 1427045848. It was assigned on September 30, 2005, and it is active in the NPI Registry.
What does Mark Richard Gruidl specialize in?
Mark Richard Gruidl is a nurse practitioner in Templeton, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mark Richard Gruidl practice?
Mark Gruidl practices at 290 Heather Court, Templeton, CA 93465. Mark Gruidl's primary practice is Vineyard Hills Health Center in Templeton, California. Dmand AI also links Mark Gruidl to 1 physician office.
What is Mark Richard Gruidl's office phone number?
The practice phone on file for Mark Gruidl is (805) 434-3035.
What is Mark Richard Gruidl's medical license number?
Mark Gruidl holds California license NP8286.
Does Mark Richard Gruidl accept Medicare?
Yes. CMS data shows Mark Gruidl billed Medicare for 3,642 services in 2024, and Mark Gruidl accepts Medicare assignment.
What is Mark Richard Gruidl's MIPS score?
Mark Gruidl's MIPS final score for performance year 2024 is 22 out of 100, reported individually.
How many Medicare patients does Mark Richard Gruidl see?
CMS counts 411 Medicare patients who saw Mark Gruidl in 2024, with an average age of 84.
What services does Mark Richard Gruidl bill to Medicare?
In 2024, Mark Gruidl's most billed Medicare services were nursing facility care (99309), nursing facility care (99308) and home visit (99348).
What drugs does Mark Richard Gruidl prescribe most?
In 2024 Medicare Part D data, Mark Gruidl's most prescribed drugs by claims were Trazodone HCl, Citalopram HBr and Furosemide.
How long has Mark Richard Gruidl been practicing?
Mark Gruidl graduated from medical school in 1994, 32 years ago.
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