Dr. Mark A. Hlavac, MD
- Part D claims, 2024
- 3,380
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Hlavac'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. Mark A. Hlavac is an internist in Richmond, California
Dr. Hlavac practices at Richmond Medical Center in Richmond, California.
Dr. Hlavac's NPI, 1255419354, was assigned on November 2, 2006. Dr. Hlavac graduated from Lewis Katz School of Medicine in 1995. Dr. Hlavac holds California license A62304.
- NPI
- 1255419354NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688853013
- NPI enumeration date
- November 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark A. Hlavac practices at Richmond Medical Center in Richmond, California
Dr. Hlavac's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark A. Hlavac is affiliated with 2 sites of care and 1 medical group
Dr. Hlavac's primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Hlavac to 1 more group practice or clinic, 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. Mark A. Hlavac's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hlavac practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark A. Hlavac is one of 16,751 internists in California
Internal medicine is Dr. Hlavac's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hlavac is board certified in internal medicine by the American Board of Internal Medicine. Dr. Hlavac is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic hypertension, contact dermatitis and gastrointestinal bleeding among the conditions Dr. Hlavac treats.
Internists near Dr. Hlavac
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. Mark A. Hlavac's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Dr. Hlavac's median patient age at 48, with 40% women.
Dr. Hlavac's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Mark A. Hlavac wrote 3,380 Medicare Part D claims in 2024
In 2024, Dr. Hlavac wrote 3,380 Medicare Part D claims for 493 patients. 89% of them were for generic drugs. CMS names the drug for 2,833 of them, across 75 drugs with 11 or more claims each, at $90,403 in total drug cost. In 2023, CMS named 326 claims across 15 drugs.
Dr. Hlavac's Part D claims by kind of drug, 2024
- Generic3,024 claims89%
- Brand-name337 claims10%
- Other19 claims1%
Dr. Hlavac'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. Hlavac's Part D claims, 2024
- Opioids4%129 of 3,380 claims
- Antibiotics4%143 of 3,380 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: 3262024: 2,833769%
Drugs named by CMS: 75 in 2024, 15 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. Mark A. Hlavac takes part in Medicare
Dr. Hlavac 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark A. Hlavac graduated from Lewis Katz School of Medicine
Dr. Hlavac graduated from Lewis Katz School of Medicine in 1995.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Mark A. Hlavac accepts plans from 2 insurance carriers
Dr. Hlavac is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Hlavac accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark A. Hlavac'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Mark A. Hlavac
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. Mark A. Hlavac's NPI number?
Dr. Mark A. Hlavac's NPI number is 1255419354. It was assigned on November 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark A. Hlavac?
Dr. Mark A. Hlavac is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark A. Hlavac practice?
Dr. Hlavac practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Hlavac's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Hlavac to 1 group practice or clinic.
What is Dr. Mark A. Hlavac's office phone number?
The practice phone on file for Dr. Hlavac is (510) 307-1555.
What is Dr. Mark A. Hlavac's medical license number?
Dr. Hlavac holds California license A62304.
What medical group is Dr. Mark A. Hlavac part of?
Dr. Hlavac is linked to The Permanente Medical Group, Inc.
Does Dr. Mark A. Hlavac accept Medicare?
Yes. CMS lists Dr. Hlavac as accepting Medicare assignment.
Is Dr. Mark A. Hlavac board certified?
Yes. Dr. Hlavac is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Mark A. Hlavac go to medical school?
Dr. Hlavac graduated from Lewis Katz School of Medicine in 1995.
What drugs does Dr. Mark A. Hlavac prescribe most?
In 2024 Medicare Part D data, Dr. Hlavac's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
How long has Dr. Mark A. Hlavac been practicing?
Dr. Hlavac graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Mark A. Hlavac accept?
Dr. Hlavac is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card