Mark Holguin

  • Los Angeles, CA
  • General practice physician
NPI1962194324
Part D claims, 2026
161
Publications
3
Clinical trials
2
Hospital affiliations
1
Medical group
1
Practice address
1680 East 120th Street, Los Angeles, CA 90059
Practice phone
Call (424) 835-6808
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Martin Luther King, Jr. Community Hospital

Hospital · Los Angeles, California

Find Mark Holguin'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.

View contacts for free

Mark Holguin is a general practice physician in Los Angeles, California

Mark Holguin practices at Martin Luther King, Jr. Community Hospital in Los Angeles, California, part of County of Los Angeles.

Mark Holguin's NPI, 1962194324, was assigned on May 24, 2023. Mark Holguin holds California license PTL13603.

NPI and contact details
NPI enumeration date
May 24, 2023
NPI status
Active
Practice phone
(424) 835-6808
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

Mark Holguin practices at Martin Luther King, Jr. Community Hospital in Los Angeles, California

Mark Holguin's primary practice is Martin Luther King, Jr. Community Hospital, at 1680 East 120th Street, Los Angeles, CA 90059 in Los Angeles County. The practice phone is (424) 835-6808.

Source: Dmand AI Affiliation Data

Mark Holguin is affiliated with 1 site of care and 1 medical group

Mark Holguin's primary practice is Martin Luther King, Jr. Community Hospital in Los Angeles, California, part of County of Los Angeles. The medical group on file is Martin Luther King Jr. Community Medical Group.

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

Dmand AI tracks the EHR system at Mark Holguin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mark Holguin practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Martin Luther King, Jr. Community HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Mark Holguin practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Los Angeles and 6.2K+ hospitals, with verified contacts in the same login.

Mark Holguin is one of 1,526 general practice physicians in California

General practice is Mark Holguin's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Mark Holguin is licensed in California.

Specialties and state licenses

  • General practice, CaliforniaPrimaryLicense PTL13603 · taxonomy 208D00000X

General practice physicians near Mark Holguin

Counts of general practice 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

Mark Holguin's patients have a median age of 51

Across all payers, Dmand AI patient panel data puts Mark Holguin's median patient age at 51, with 64% women.

Mark Holguin's patients across all payers

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

Patient panel by age, all payers

Median age 51

Patient panel by sex, all payers

  • Women64%
  • Men36%

Source: Dmand AI Patient Panel Data

Mark Holguin wrote 161 Medicare Part D claims in 2026

In 2026, Mark Holguin wrote 161 Medicare Part D claims for 46 patients. 89% of them were for generic drugs. CMS names the drug for 36 of them, across 2 drugs with 11 or more claims each, at $134 in total drug cost.

Part D claims, 2026161
Drugs named by CMS2
Total drug cost$134
Part D patients46

Mark Holguin's Part D claims by kind of drug, 2026

  • Generic144 claims89%
  • Brand-name and other17 claims11%

Mark Holguin'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.

See all prescribing by Mark Holguin

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data

For MedTech and pharma teams

Find general practice physicians like Mark Holguin by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Mark Holguin has 3 publications on record

Dmand AI links 3 papers to Mark Holguin, published from 2017 to 2021. 2017 was the busiest year, with 2. Mark Holguin's most frequent co-authors are Charis Durham, MD, Miguel A. Escobar, MD and James Nathaniel Mason, DO.

Papers3
Years published2017 to 2021

Mark Holguin's most frequent co-authors

Recent publications by Mark Holguin

See all 3 publications and co-authors

See who Mark Holguin researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Mark Holguin works with, so you can find a warm path to the right general practice physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Mark Holguin has worked on 2 clinical trials

Dmand AI links Mark Holguin to 2 clinical trials, 2 of them phase 2 studies. 1 is still active or recruiting. Conditions studied include Leukemia, Myeloid, Acute, Lymphoma, Large B-Cell, Diffuse and Leukemia, Myeloid.

Conditions in Mark Holguin's trials

  • Leukemia, Myeloid, Acute
  • Lymphoma, Large B-Cell, Diffuse
  • Leukemia, Myeloid
  • Lymphoma, B-Cell

Investigators on the most trials with Mark Holguin

Recent clinical trials with Mark Holguin

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Sources for Mark Holguin'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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 Mark Holguin

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 Holguin's NPI number?

Mark Holguin's NPI number is 1962194324. It was assigned on May 24, 2023, and it is active in the NPI Registry.

What does Mark Holguin specialize in?

Mark Holguin is a general practice physician in Los Angeles, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Mark Holguin practice?

Mark Holguin practices at 1680 East 120th Street, Los Angeles, CA 90059. Mark Holguin's primary practice is Martin Luther King, Jr. Community Hospital in Los Angeles, California, part of County of Los Angeles.

What is Mark Holguin's office phone number?

The practice phone on file for Mark Holguin is (424) 835-6808. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Mark Holguin's email address?

Dmand AI checks professional and personal email addresses for Mark Holguin through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Mark Holguin's medical license number?

Mark Holguin holds California license PTL13603.

Which hospitals is Mark Holguin affiliated with?

Mark Holguin practices at Martin Luther King, Jr. Community Hospital in Los Angeles, California.

What medical group is Mark Holguin part of?

Mark Holguin is linked to Martin Luther King Jr. Community Medical Group.

Who does Mark Holguin practice with?

Dmand AI links 226 HCPs to Mark Holguin's primary medical group, 4 of them general practice physicians. A free account lists them, with verified contacts.

What drugs does Mark Holguin prescribe most?

In 2024 Medicare Part D data, Mark Holguin's most prescribed drugs by claims were Atorvastatin Calcium and Amlodipine Besylate.

Show 4 more questionsShow fewer questions

How long has Mark Holguin been practicing?

Mark Holguin's NPI was assigned in 2023.

Does Mark Holguin do research?

Dmand AI links 3 publications to Mark Holguin, published from 2017 to 2021. Mark Holguin has worked on 2 clinical trials.

Who does Mark Holguin publish with?

Mark Holguin's most frequent co-authors are Charis Durham, MD (1 shared paper), Miguel A. Escobar, MD (1 shared paper) and James Nathaniel Mason, DO (1 shared paper).

What EHR does Mark Holguin's practice use?

Dmand AI tracks the EHR system at Martin Luther King, Jr. Community Hospital. The vendor and product are available with a free Dmand AI account.

Selling to general practice practices?

See general practice physicians 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)