Dr. Marianne Hazelitt, DO
- Medicare services, 2024
- 161
- Medicare patients, 2024
- 91
- Part D claims, 2024
- 5,732
- Industry payments
- $840
- Affiliated sites
- 4
- Practice address
- 12602 Toepperwein Rd, Live Oak, TX 78233
- Practice phone
- Call (210) 654-0030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Conviva Medical Center Management of Texas, P.A.
Live Oak, Texas
Find Dr. Hazelitt'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.
Dr. Marianne Hazelitt is an internist in Live Oak, Texas
Dr. Hazelitt practices at Conviva Medical Center Management of Texas, P.A. in Live Oak, Texas.
Dr. Hazelitt's NPI, 1558655027, was assigned on June 2, 2011. Dr. Hazelitt graduated from Touro Un Col of Osteopathic Medicine, Henderson in 2011. Dr. Hazelitt holds Nevada license DO2191.
- NPI
- 1558655027NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517184401
- NPI enumeration date
- June 2, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 654-0030
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marianne Hazelitt practices at Conviva Medical Center Management of Texas, P.A. in Live Oak, Texas
Dr. Hazelitt's primary practice is Conviva Medical Center Management of Texas, P.A., at 12602 Toepperwein Rd, Live Oak, TX 78233 in Bexar County. The practice phone is (210) 654-0030.
- Conviva Medical Center Management of Texas, P.A.12602 Toepperwein Rd, Live Oak, TX 78233 · Bexar CountyPhone(210) 654-0030
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marianne Hazelitt is affiliated with 5 sites of care and 2 medical groups
Dr. Hazelitt's primary practice is Conviva Medical Center Management of Texas, P.A. in Live Oak, Texas. The medical group on file is CenterWell Senior Primary Care. Dmand AI also links Dr. Hazelitt to 2 more physician offices, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marianne Hazelitt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hazelitt practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Conviva Medical Center Management of Texas, P.A. | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marianne Hazelitt is one of 8,437 internists in Texas
Internal medicine is Dr. Hazelitt's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Hazelitt's licenses on file in 2 states: Nevada and Florida.
Specialties and state licenses
- Internal medicine, NevadaPrimary
- Florida license
Internists near Dr. Hazelitt
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. Marianne Hazelitt billed Medicare for 161 services in 2024
CMS data shows 161 Medicare services from Dr. Hazelitt across 3 procedure codes in 2024, for 91 Medicare patients. Medicare paid $12,856 for them. Every service was in an office.
Dr. Hazelitt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1352024: 10423%
- Other services
- 2023: 702024: 5719%
Dr. Hazelitt compared with the Texas median for internists, 2024
- Dr. Hazelitt
- Texas median
- Medicare services
- 161vs 53970% below
- Medicare patients
- 91vs 19052% below
- Part D claims
- 4,978vs 28917.2 times
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Hazelitt'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hazelitt and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marianne Hazelitt treated 91 Medicare patients in 2024, average age 75
CMS counts 91 Medicare patients who saw Dr. Hazelitt in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hazelitt's median patient age at 72, with 59% women.
Dr. Hazelitt's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hazelitt's Medicare patients by sex, 2024
- Women5156%
- Men4044%
Chronic conditions among Dr. Hazelitt's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis59%
- Ischemic heart disease36%
- Chronic kidney disease34%
- Diabetes31%
- Anxiety23%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hazelitt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marianne Hazelitt wrote 5,732 Medicare Part D claims in 2024
In 2024, Dr. Hazelitt wrote 5,732 Medicare Part D claims for 853 patients. 87% of them were for generic drugs. CMS names the drug for 4,978 of them, across 114 drugs with 11 or more claims each, at $534,923 in total drug cost. In 2023, CMS named 8,453 claims across 145 drugs.
Dr. Hazelitt's Part D claims by kind of drug, 2024
- Generic5,009 claims87%
- Brand-name689 claims12%
- Other34 claims1%
Dr. Hazelitt'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. Hazelitt's Part D claims, 2024
- Opioids5%273 of 5,732 claims
- Antibiotics3%165 of 5,732 claims
- Antipsychotics, patients 65 and over1%51 of 5,732 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: 8,4532024: 4,97841%
Drugs named by CMS: 114 in 2024, 145 in 2023.
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. Marianne Hazelitt takes part in Medicare
Dr. Hazelitt 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. Marianne Hazelitt received $840 in industry payments from 2016 to 2025
CMS Open Payments shows 36 general payments to Dr. Hazelitt from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $247.
General payments to Dr. Hazelitt by program year, 2016 to 2025
Companies that paid Dr. Hazelitt the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marianne Hazelitt graduated from Touro Un Col of Osteopathic Medicine, Henderson
Dr. Hazelitt graduated from Touro Un Col of Osteopathic Medicine, Henderson in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marianne Hazelitt'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Marianne Hazelitt
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. Marianne Hazelitt's NPI number?
Dr. Marianne Hazelitt's NPI number is 1558655027. It was assigned on June 2, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Marianne Hazelitt?
Dr. Marianne Hazelitt is an internist in Live Oak, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marianne Hazelitt practice?
Dr. Hazelitt practices at 12602 Toepperwein Rd, Live Oak, TX 78233. Dr. Hazelitt's primary practice is Conviva Medical Center Management of Texas, P.A. in Live Oak, Texas. Dmand AI also links Dr. Hazelitt to 2 physician offices, 2 group practices and clinics and 1 medical group.
What is Dr. Marianne Hazelitt's office phone number?
The practice phone on file for Dr. Hazelitt is (210) 654-0030.
What is Dr. Marianne Hazelitt's medical license number?
Dr. Hazelitt holds Nevada license DO2191, one of the licenses on file in 2 states.
Which states has Dr. Marianne Hazelitt been licensed in?
Dmand AI has state licenses on file for Dr. Hazelitt in Nevada and Florida.
What medical group is Dr. Marianne Hazelitt part of?
Dr. Hazelitt is linked to CenterWell Senior Primary Care. Dmand AI links Dr. Hazelitt to 1 more medical group.
Does Dr. Marianne Hazelitt accept Medicare?
Yes. CMS data shows Dr. Hazelitt billed Medicare for 161 services in 2024, and Dr. Hazelitt accepts Medicare assignment.
How many Medicare patients does Dr. Marianne Hazelitt see?
CMS counts 91 Medicare patients who saw Dr. Hazelitt in 2024, with an average age of 75.
What services does Dr. Marianne Hazelitt bill to Medicare?
In 2024, Dr. Hazelitt's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G2211).
Show 4 more questionsShow fewer questions
Where did Dr. Marianne Hazelitt go to medical school?
Dr. Hazelitt graduated from Touro Un Col of Osteopathic Medicine, Henderson in 2011.
What drugs does Dr. Marianne Hazelitt prescribe most?
In 2024 Medicare Part D data, Dr. Hazelitt's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Marianne Hazelitt received payments from drug or device companies?
CMS Open Payments shows $840 in general payments to Dr. Hazelitt from 11 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Marianne Hazelitt been practicing?
Dr. Hazelitt graduated from medical school in 2011, 15 years ago.
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