Dr. Hanming Joseph Lin, MD

  • San Marcos, CA
  • Internist
NPI1609886464PAC ID2769574318
Medicare services, 2024
35
Medicare patients, 2024
20
Part D claims, 2024
870
Publications
2
Hospital affiliations
1
Practice address
360 Rush Dr, San Marcos, CA 92078
Practice phone
Call (760) 528-6295
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Kaiser Permanente San Marcos Medical Center

Hospital · San Marcos, California

See all 3 affiliations

Find Dr. Lin'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

Dr. Hanming Joseph Lin is an internist in San Marcos, California

Dr. Lin practices at Kaiser Permanente San Marcos Medical Center in San Marcos, California, part of Kaiser Permanente.

Dr. Lin's NPI, 1609886464, was assigned on August 8, 2006. Dr. Lin graduated from David Geffen School of Medicine at UCLA in 2004. Dr. Lin holds California license A94431.

NPI and contact details
Medicare PAC ID
2769574318
NPI enumeration date
August 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(760) 528-6295
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. Hanming Joseph Lin practices at Kaiser Permanente San Marcos Medical Center in San Marcos, California

Dr. Lin's primary practice is Kaiser Permanente San Marcos Medical Center, at 360 Rush Dr, San Marcos, CA 92078 in San Diego County. The practice phone is (760) 528-6295.

Source: Dmand AI Affiliation Data

Dr. Hanming Joseph Lin is affiliated with 2 sites of care and 1 medical group

Dr. Lin's primary practice is Kaiser Permanente San Marcos Medical Center in San Marcos, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Lin to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Lin

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

Dmand AI tracks the EHR system at Dr. Hanming Joseph Lin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lin practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente San Marcos Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Lin practices

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

Dr. Hanming Joseph Lin is one of 16,751 internists in California

Internal medicine is Dr. Lin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lin is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dr. Lin is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A94431 · 2006 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists gastrointestinal infection among the conditions Dr. Lin treats.

Internists near Dr. Lin

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. Hanming Joseph Lin billed Medicare for 35 services in 2024

CMS data shows 35 Medicare services from Dr. Lin across 1 procedure code in 2024, for 20 Medicare patients. Medicare paid $2,171 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202435
Medicare patients20
Paid by Medicare$2,171
Procedure codes1

Dr. Lin compared with the California median for internists, 2024

  • Dr. Lin
  • California median
Medicare services
35vs 36190% below
Medicare patients
20vs 15187% below
Part D claims
553vs 42131% above

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Lin'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. Lin

Need commercial claims for Dr. Lin?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lin and other internists in California.

Book a meeting

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

Dr. Hanming Joseph Lin treated 20 Medicare patients in 2024, average age 72

CMS counts 20 Medicare patients who saw Dr. Lin in 2024. 75% of them have high blood pressure, and 65% have high cholesterol. Their average risk score is 3.17, 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. Lin's median patient age at 75, with 52% women.

Medicare patients, 202420
Average age72
Average risk score3.17

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

  1. High blood pressure75%
  2. High cholesterol65%
  3. Heart failure60%

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

Dr. Lin's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women52%
  • Men47%

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

Dr. Hanming Joseph Lin wrote 870 Medicare Part D claims in 2024

In 2024, Dr. Lin wrote 870 Medicare Part D claims for 282 patients. 88% of them were for generic drugs. CMS names the drug for 553 of them, across 29 drugs with 11 or more claims each, at $19,993 in total drug cost. In 2023, CMS named 200 claims across 12 drugs.

Part D claims, 2024870
Drugs named by CMS29
Total drug cost$19,993
Part D patients282

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

  • Generic762 claims88%
  • Brand-name and other108 claims12%

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

  • Opioids5%42 of 870 claims
  • Antibiotics18%156 of 870 claims
  • Antipsychotics, patients 65 and over2%21 of 870 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: 2002024: 553177%

Drugs named by CMS: 29 in 2024, 12 in 2023.

See all prescribing by Dr. Lin

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. Hanming Joseph Lin takes part in Medicare

Dr. Lin 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

Find internists like Dr. Lin 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.

Dr. Hanming Joseph Lin has 2 publications on record

Dmand AI links 2 papers to Dr. Lin in 2017. 2017 was the busiest year, with 2. Dr. Lin's most frequent co-authors are Richard Robert Bayer, MD and Daniel Howard Steinberg, MD.

Papers2

Dr. Lin's most frequent co-authors

Recent publications by Dr. Lin

See all 2 publications and co-authors

See who Dr. Lin researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lin works with, so you can find a warm path to the right internists.

How network discovery works

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

Dr. Hanming Joseph Lin graduated from David Geffen School of Medicine at UCLA

Dr. Lin graduated from David Geffen School of Medicine at UCLA in 2004.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in hospice and palliative medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Hanming Joseph Lin accepts plans from 4 insurance carriers

Dr. Lin is in network with 4 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare

Plan types Dr. Lin accepts, by number of carriers

  1. Medicare3
  2. PPO2
  3. EPO1
  4. HMO1
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Hanming Joseph Lin'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 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Hanming Joseph Lin

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. Hanming Joseph Lin's NPI number?

Dr. Hanming Joseph Lin's NPI number is 1609886464. It was assigned on August 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Hanming Joseph Lin?

Dr. Hanming Joseph Lin is an internist in San Marcos, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Hanming Joseph Lin practice?

Dr. Lin practices at 360 Rush Dr, San Marcos, CA 92078. Dr. Lin's primary practice is Kaiser Permanente San Marcos Medical Center in San Marcos, California, part of Kaiser Permanente. Dmand AI also links Dr. Lin to 1 group practice or clinic.

What is Dr. Hanming Joseph Lin's office phone number?

The practice phone on file for Dr. Lin is (760) 528-6295.

What is Dr. Hanming Joseph Lin's medical license number?

Dr. Lin holds California license A94431.

Which hospitals is Dr. Hanming Joseph Lin affiliated with?

Dr. Lin practices at Kaiser Permanente San Marcos Medical Center in San Marcos, California.

What medical group is Dr. Hanming Joseph Lin part of?

Dr. Lin is linked to Southern California Permanente Medical Group.

Does Dr. Hanming Joseph Lin accept Medicare?

Yes. CMS data shows Dr. Lin billed Medicare for 35 services in 2024, and Dr. Lin accepts Medicare assignment.

How many Medicare patients does Dr. Hanming Joseph Lin see?

CMS counts 20 Medicare patients who saw Dr. Lin in 2024, with an average age of 72.

Is Dr. Hanming Joseph Lin board certified?

Yes. Dr. Lin is board certified in hospice and palliative medicine by the American Board of Internal Medicine.

Show 7 more questionsShow fewer questions

What services does Dr. Hanming Joseph Lin bill to Medicare?

In 2024, Dr. Lin's most billed Medicare services were hospital inpatient care (99232).

Where did Dr. Hanming Joseph Lin go to medical school?

Dr. Lin graduated from David Geffen School of Medicine at UCLA in 2004.

What drugs does Dr. Hanming Joseph Lin prescribe most?

In 2024 Medicare Part D data, Dr. Lin's most prescribed drugs by claims were Furosemide, Cefpodoxime Proxetil and Prednisone.

How long has Dr. Hanming Joseph Lin been practicing?

Dr. Lin graduated from medical school in 2004, 22 years ago.

Does Dr. Hanming Joseph Lin do research?

Dmand AI links 2 publications to Dr. Lin.

Who does Dr. Hanming Joseph Lin publish with?

Dr. Lin's most frequent co-authors are Richard Robert Bayer, MD (1 shared paper) and Daniel Howard Steinberg, MD (1 shared paper).

What insurance does Dr. Hanming Joseph Lin accept?

Dr. Lin is in network with 4 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. 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

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)