Dr. Guy Richard Bennallack Jr., DO

  • Lompoc, CA
  • Family medicine physician
NPI1245610344PAC ID6901160795
Medicare services, 2024
383
Medicare patients, 2024
241
Part D claims, 2024
439
Hospital affiliations
4
Medical groups
6
Practice address
1515 E Ocean Avenue, Lompoc, CA 93436
Practice phone
Call (805) 737-3300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lompoc Valley Medical Center

Hospital · Lompoc, California

See all 11 affiliations

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Dr. Guy Richard Bennallack Jr. is a family medicine physician in Lompoc, California

Dr. Bennallack practices at Lompoc Valley Medical Center in Lompoc, California, part of Lompoc Valley Medical Center.

Dr. Bennallack's NPI, 1245610344, was assigned on June 3, 2015. Dr. Bennallack graduated from Touro University California - Vallejo in 2015. Dr. Bennallack's Texas license number on file is S3795.

NPI and contact details
Medicare PAC ID
6901160795
NPI enumeration date
June 3, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(805) 737-3300
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Guy Richard Bennallack Jr. practices at 2 locations in Lompoc, California

Dr. Bennallack's primary practice is Lompoc Valley Medical Center, at 1515 E Ocean Avenue, Lompoc, CA 93436 in Santa Barbara County. The practice phone is (805) 737-3300. Dr. Bennallack also practices at Lompoc Valley Medical Center, 1509 Ocean Way, Lompoc, CA 93436.

  • Lompoc Valley Medical CenterPrimary
    1515 E Ocean Avenue, Lompoc, CA 93436 · Santa Barbara CountyPhone(805) 737-3300
  • Lompoc Valley Medical Center
    1509 Ocean Way, Lompoc, CA 93436 · Santa Barbara CountyPhone(805) 737-3300

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

Dr. Guy Richard Bennallack Jr. is affiliated with 5 sites of care and 6 medical groups

Dr. Bennallack's primary practice is Lompoc Valley Medical Center in Lompoc, California, part of Lompoc Valley Medical Center. Dr. Bennallack is also affiliated with Dignity Health - Marian Regional Medical Center. The medical group on file is ApolloMD/Santa Ynez River Physicians. Dmand AI also links Dr. Bennallack to 2 more hospitals, 5 medical groups and 1 group practice or clinic, each named with a free account.

See all 11 affiliations for Dr. Bennallack

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

Dmand AI tracks the EHR system at Dr. Guy Richard Bennallack Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Lompoc Valley Medical CenterAvailable with a free account
+4 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Guy Richard Bennallack Jr. is one of 15,680 family medicine physicians in California

Family medicine is Dr. Bennallack's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Bennallack is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Bennallack's licenses on file in 3 states: Texas, Hawaii and California.

Specialties and state licenses

  • Family medicine, TexasPrimaryLicense S3795 · 2019 to 2025 · taxonomy 207Q00000X
  • Hawaii license2023 to 2026
  • California licenseLicense XXXXXXXXXX · 2017 to 2020

Family medicine physicians near Dr. Bennallack

Counts of family medicine physicians 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. Guy Richard Bennallack Jr. billed Medicare for 383 services in 2024

CMS data shows 383 Medicare services from Dr. Bennallack across 4 procedure codes in 2024, for 241 Medicare patients. Medicare paid $29,382 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024383
Medicare patients241
Paid by Medicare$29,382
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 3812024: 25733%
Tests and treatments
2023: 1792024: 12630%

Dr. Bennallack compared with the California median for family medicine physicians, 2024

  • Dr. Bennallack
  • California median
Medicare services
383vs 24656% above
Medicare patients
241vs 1182.0 times
Part D claims
327vs 83361% below

Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Bennallack'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. Bennallack

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

Dr. Guy Richard Bennallack Jr. treated 241 Medicare patients in 2024, average age 76

CMS counts 241 Medicare patients who saw Dr. Bennallack in 2024. The largest group is 75 to 84, with 96 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Bennallack's median patient age at 35, with 57% women.

Medicare patients, 2024241
Average age76
Average risk score1.78
Also on Medicaid18%

Dr. Bennallack's Medicare patients by age, 2024

Dr. Bennallack's Medicare patients by sex, 2024

  • Women14259%
  • Men9941%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis49%
  4. Diabetes46%
  5. Mood disorders35%
  6. Chronic kidney disease33%
  7. Depression33%
  8. Anxiety28%

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

Dr. Bennallack's patients across all payers

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

Patient panel by age, all payers

Median age 35

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Dr. Guy Richard Bennallack Jr. wrote 439 Medicare Part D claims in 2024

In 2024, Dr. Bennallack wrote 439 Medicare Part D claims for 287 patients. 89% of them were for generic drugs. CMS names the drug for 327 of them, across 13 drugs with 11 or more claims each, at $7,162 in total drug cost. In 2023, CMS named 369 claims across 14 drugs.

Part D claims, 2024439
Drugs named by CMS13
Total drug cost$7,162
Part D patients287

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

  • Generic392 claims89%
  • Brand-name and other47 claims11%

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

  • Antibiotics27%120 of 439 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: 3692024: 32711%

Drugs named by CMS: 13 in 2024, 14 in 2023.

See all prescribing by Dr. Bennallack

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 Dr. Guy Richard Bennallack Jr. takes part in Medicare

Dr. Bennallack 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)

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Dr. Guy Richard Bennallack Jr. graduated from Touro University California - Vallejo

Dr. Bennallack graduated from Touro University California - Vallejo in 2015.

  1. Medical schoolTouro University California - Vallejo
  2. Board certified in family medicineAmerican Board of Family Medicine
  3. Board certified in emergency medicineNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. Guy Richard Bennallack Jr. accepts plans from 18 insurance carriers

Dr. Bennallack is in network with 18 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Aetna
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +10 more carriersWith a free account

Plan types Dr. Bennallack accepts, by number of carriers

  1. PPO11
  2. HMO9
  3. Medicare6
  4. EPO3
  5. POS3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Guy Richard Bennallack Jr.'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 Affiliation DataDmand AI Practice 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
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. Guy Richard Bennallack Jr.

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. Guy Richard Bennallack Jr.'s NPI number?

Dr. Guy Richard Bennallack Jr.'s NPI number is 1245610344. It was assigned on June 3, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Guy Richard Bennallack Jr.?

Dr. Guy Richard Bennallack Jr. is a family medicine physician in Lompoc, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Guy Richard Bennallack Jr. practice?

Dr. Bennallack practices at 1515 E Ocean Avenue, Lompoc, CA 93436. Dr. Bennallack also practices at 1509 Ocean Way, Lompoc, CA 93436. Dr. Bennallack's primary practice is Lompoc Valley Medical Center in Lompoc, California, part of Lompoc Valley Medical Center. Dmand AI also links Dr. Bennallack to 2 hospitals, 5 medical groups and 1 group practice or clinic.

What is Dr. Guy Richard Bennallack Jr.'s office phone number?

The practice phone on file for Dr. Bennallack is (805) 737-3300.

What is Dr. Guy Richard Bennallack Jr.'s medical license number?

Dr. Bennallack's Texas license number on file is S3795, one of the licenses on file in 3 states.

Which states has Dr. Guy Richard Bennallack Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Bennallack in Texas (2019 to 2025), Hawaii (2023 to 2026) and California (2017 to 2020).

Which hospitals is Dr. Guy Richard Bennallack Jr. affiliated with?

Dr. Bennallack practices at Lompoc Valley Medical Center in Lompoc, California. Dr. Bennallack is also affiliated with Dignity Health - Marian Regional Medical Center. Dmand AI links Dr. Bennallack to 2 more hospitals.

What medical group is Dr. Guy Richard Bennallack Jr. part of?

Dr. Bennallack is linked to ApolloMD/Santa Ynez River Physicians. Dmand AI links Dr. Bennallack to 5 more medical groups.

Does Dr. Guy Richard Bennallack Jr. accept Medicare?

Yes. CMS data shows Dr. Bennallack billed Medicare for 383 services in 2024, and Dr. Bennallack accepts Medicare assignment.

How many Medicare patients does Dr. Guy Richard Bennallack Jr. see?

CMS counts 241 Medicare patients who saw Dr. Bennallack in 2024, with an average age of 76.

Show 6 more questionsShow fewer questions

Is Dr. Guy Richard Bennallack Jr. board certified?

Yes. Dr. Bennallack is board certified in family medicine by the American Board of Family Medicine.

What services does Dr. Guy Richard Bennallack Jr. bill to Medicare?

In 2024, Dr. Bennallack's most billed Medicare services were heart test or procedure (93010), emergency department visit (99284) and emergency department visit (99285).

Where did Dr. Guy Richard Bennallack Jr. go to medical school?

Dr. Bennallack graduated from Touro University California - Vallejo in 2015.

What drugs does Dr. Guy Richard Bennallack Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Bennallack's most prescribed drugs by claims were Cyclobenzaprine HCl, Cefpodoxime Proxetil and Ondansetron ODT.

How long has Dr. Guy Richard Bennallack Jr. been practicing?

Dr. Bennallack graduated from medical school in 2015, 11 years ago.

What insurance does Dr. Guy Richard Bennallack Jr. accept?

Dr. Bennallack is in network with 18 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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