Dr. Mark Nachman, MD
- Medicare services, 2018
- 544
- Part D claims, 2018
- 2,149
- Industry payments
- $301
- Affiliated sites
- 1
- Insurance carriers
- 4
- Practice address
- 1301 20th St Suite 290 Suite 290, Santa Monica, CA 90404
- Practice phone
- Call (310) 315-0111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mark Nachman, MD
Physician office · Santa Monica, California
Find Dr. Nachman'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 Nachman is an internist in West Hollywood, California
Dr. Nachman practices at Mark Nachman, MD in Santa Monica, California.
Dr. Nachman's NPI, 1104803683, was assigned on December 27, 2005. Dr. Nachman graduated from New York Medical College in 1973. Dr. Nachman's California license number on file is G27424.
- NPI
- 1104803683NPI Registry (opens in a new tab)
- NPI enumeration date
- December 27, 2005
- NPI status
- Active
- Practice phone
- (310) 315-0111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark Nachman practices in Santa Monica and West Hollywood
Dr. Nachman's primary practice is Mark Nachman, MD, at 1301 20th St Suite 290 Suite 290, Santa Monica, CA 90404. The practice phone is (310) 315-0111. The NPI Registry lists Dr. Nachman's practice address as 8700 Beverly Blvd, West Hollywood, CA 90048.
- Mark Nachman, MDPrimary1301 20th St Suite 290 Suite 290, Santa Monica, CA 90404Phone(310) 315-0111
- NPI Registry address8700 Beverly Blvd, West Hollywood, CA 90048 · Los Angeles CountyPhone(310) 315-0111
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Mark Nachman is affiliated with 1 site of care
Dr. Nachman's primary practice is Mark Nachman, MD in Santa Monica, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark Nachman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nachman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mark Nachman, MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Nachman is one of 16,751 internists in California
Internal medicine is Dr. Nachman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nachman has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Nachman
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 Nachman billed Medicare for 544 services in 2018
CMS data shows 544 Medicare services from Dr. Nachman across 5 procedure codes in 2018. Medicare paid $16,768 for them. Every service was in an office.
Dr. Nachman's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 1,9322018: 35382%
- Surgery
- 2017: 7292018: 16577%
- Tests and treatments
- 2017: 3612018: 2693%
- Other services
- 2017: 1902018: 0100%
Dr. Nachman compared with the California median for internists, 2018
- Dr. Nachman
- California median
- Medicare services
- 544vs 36151% above
- Part D claims
- 2,149vs 4215.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Nachman's most billed Medicare procedure codes, 2018
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. Nachman and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Nachman's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Nachman's median patient age at 77, with 58% women.
Dr. Nachman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Mark Nachman wrote 2,149 Medicare Part D claims in 2018
In 2018, Dr. Nachman wrote 2,149 Medicare Part D claims. They cover 62 drugs, with $84,817 in total drug cost. In 2017, CMS named 6,758 claims across 127 drugs.
Dr. Nachman's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 6,7582018: 2,14968%
Drugs named by CMS: 62 in 2018, 127 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mark Nachman received $301 in industry payments from 2016 to 2018
CMS Open Payments shows 9 general payments to Dr. Nachman from 6 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $123.
General payments to Dr. Nachman by program year, 2016 to 2018
Companies that paid Dr. Nachman the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Nachman graduated from New York Medical College
Dr. Nachman graduated from New York Medical College in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Mark Nachman accepts plans from 4 insurance carriers
Dr. Nachman is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
Plan types Dr. Nachman accepts, by number of carriers
- Medicare4
- PPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Nachman'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| 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 Nachman
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 Nachman's NPI number?
Dr. Mark Nachman's NPI number is 1104803683. It was assigned on December 27, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Nachman?
Dr. Mark Nachman is an internist in West Hollywood, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark Nachman practice?
Dr. Nachman practices at 1301 20th St Suite 290 Suite 290, Santa Monica, CA 90404. Dr. Nachman also practices at 8700 Beverly Blvd, West Hollywood, CA 90048. Dr. Nachman's primary practice is Mark Nachman, MD in Santa Monica, California.
What is Dr. Mark Nachman's office phone number?
The practice phone on file for Dr. Nachman is (310) 315-0111.
What is Dr. Mark Nachman's medical license number?
Dr. Nachman's California license number on file is G27424.
Does Dr. Mark Nachman accept Medicare?
Yes. CMS data shows Dr. Nachman billed Medicare for 544 services in 2018.
What services does Dr. Mark Nachman bill to Medicare?
In 2018, Dr. Nachman's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and heart test or procedure (93000).
Where did Dr. Mark Nachman go to medical school?
Dr. Nachman graduated from New York Medical College in 1973.
What drugs does Dr. Mark Nachman prescribe most?
In 2018 Medicare Part D data, Dr. Nachman's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.
Has Dr. Mark Nachman received payments from drug or device companies?
CMS Open Payments shows $301 in general payments to Dr. Nachman from 6 companies from 2016 to 2018. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Mark Nachman been practicing?
Dr. Nachman graduated from medical school in 1973, 53 years ago.
What insurance does Dr. Mark Nachman accept?
Dr. Nachman is in network with 4 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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