David Nathanson

  • Richmond, CA
  • Internist
NPI1013478676PAC ID4486021219
Part D claims, 2024
4,419
Publications
7
Industry payments
$31
Affiliated sites
1
Medical group
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
Social profiles

Primary practice

Richmond Medical Center

Richmond, California

See all 3 affiliations

Find David Nathanson'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

David Nathanson is an internist in Richmond, California

David Nathanson practices at Richmond Medical Center in Richmond, California.

David Nathanson's NPI, 1013478676, was assigned on March 27, 2019. David Nathanson holds California license 19491.

NPI and contact details
Medicare PAC ID
4486021219
NPI enumeration date
March 27, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(510) 307-1555
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
33
Medical school graduation
2019

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

David Nathanson practices at Richmond Medical Center in Richmond, California

David Nathanson'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 Center
    901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555

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

David Nathanson is affiliated with 2 sites of care and 1 medical group

David Nathanson'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 David Nathanson to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for David Nathanson

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

Dmand AI tracks the EHR system at David Nathanson's practice

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

EHR by site
SiteEHR vendor and product
Richmond 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 site where David Nathanson practices

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.

David Nathanson is one of 16,751 internists in California

Internal medicine is David Nathanson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. David Nathanson is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 19491 · taxonomy 207R00000X

Internists near David Nathanson

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

David Nathanson's patients have a median age of 55

Across all payers, Dmand AI patient panel data puts David Nathanson's median patient age at 55, with 44% women.

David Nathanson's patients across all payers

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

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women44%
  • Men56%

Source: Dmand AI Patient Panel Data

David Nathanson wrote 4,419 Medicare Part D claims in 2024

In 2024, David Nathanson wrote 4,419 Medicare Part D claims for 631 patients. 90% of them were for generic drugs. CMS names the drug for 3,826 of them, across 89 drugs with 11 or more claims each, at $135,746 in total drug cost. In 2023, CMS named 2,664 claims across 74 drugs.

Part D claims, 20244,419
Drugs named by CMS89
Total drug cost$135,746
Part D patients631

David Nathanson's Part D claims by kind of drug, 2024

  • Generic3,975 claims90%
  • Brand-name394 claims9%
  • Other50 claims1%

David Nathanson'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 David Nathanson's Part D claims, 2024

  • Opioids3%141 of 4,419 claims
  • Antibiotics2%102 of 4,419 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: 2,6642024: 3,82644%

Drugs named by CMS: 89 in 2024, 74 in 2023.

See all prescribing by David Nathanson

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

David Nathanson offers telehealth to Medicare patients

David Nathanson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists David Nathanson as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find internists like David Nathanson 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.

David Nathanson has 7 publications on record

Dmand AI links 7 papers to David Nathanson, published from 2022 to 2025. 2023 was the busiest year, with 3. David Nathanson's most frequent co-authors are Everett James Moding, MD, Robert Arthur Chong, MD, PhD and Timothy Francis Cloughesy, MD.

Papers7
Years published2022 to 2025

David Nathanson's papers by year, 2022 to 2025

David Nathanson's most frequent co-authors

Recent publications by David Nathanson

See all 7 publications and co-authors

See who David Nathanson researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who David Nathanson 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

David Nathanson received $31 in industry payments in 2023

CMS Open Payments shows 1 general payment to David Nathanson from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Dexcom, Inc. paid the most, $31.

Companies that paid David Nathanson the most, 2023 to 2023

Share is of all general payments to this clinician.

See all payments to David Nathanson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for David Nathanson'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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
Industry paymentsOpen Payments (CMS) (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 David Nathanson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is David Nathanson's NPI number?

David Nathanson's NPI number is 1013478676. It was assigned on March 27, 2019, and it is active in the NPI Registry.

What does David Nathanson specialize in?

David Nathanson is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does David Nathanson practice?

David Nathanson practices at 901 Nevin Ave, Richmond, CA 94801. David Nathanson's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links David Nathanson to 1 group practice or clinic.

What is David Nathanson's office phone number?

The practice phone on file for David Nathanson is (510) 307-1555.

What is David Nathanson's medical license number?

David Nathanson holds California license 19491.

What medical group is David Nathanson part of?

David Nathanson is linked to The Permanente Medical Group, Inc.

Does David Nathanson accept Medicare?

Yes. CMS lists David Nathanson as accepting Medicare assignment.

Does David Nathanson offer telehealth?

Yes. The CMS Doctors and Clinicians file lists David Nathanson as offering telehealth services.

What drugs does David Nathanson prescribe most?

In 2024 Medicare Part D data, David Nathanson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.

Has David Nathanson received payments from drug or device companies?

CMS Open Payments shows $31 in general payments to David Nathanson from 1 company from 2023 to 2023. The largest total came from Dexcom, Inc.

Show 3 more questionsShow fewer questions

How long has David Nathanson been practicing?

David Nathanson graduated from medical school in 2019, 7 years ago.

Does David Nathanson do research?

Dmand AI links 7 publications to David Nathanson, published from 2022 to 2025.

Who does David Nathanson publish with?

David Nathanson's most frequent co-authors are Everett James Moding, MD (2 shared papers), Robert Arthur Chong, MD, PhD (1 shared paper) and Timothy Francis Cloughesy, MD (1 shared paper).

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)