Dr. Marc Douglas Johnson, MD
- Part D claims, 2024
- 42
- Affiliated sites
- 2
- Medical groups
- 2
- Insurance carriers
- 9
- State license
- 1
- Practice address
- 947 Blanco Cir, Salinas, CA 93901
- Practice phone
- Call (310) 403-1491
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Agile Occupational Medicine
Salinas, California
Find Dr. Johnson'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. Marc Douglas Johnson is a general practice physician in Salinas, California
Dr. Johnson practices at Agile Occupational Medicine in Salinas, California.
Dr. Johnson's NPI, 1033251681, was assigned on February 12, 2007. Dr. Johnson graduated from American University of the Caribbean School of Medicine in 1996. Dr. Johnson holds California license A79547.
- NPI
- 1033251681NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789015850
- NPI enumeration date
- February 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 403-1491
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc Douglas Johnson practices at Agile Occupational Medicine in Salinas, California
Dr. Johnson's primary practice is Agile Occupational Medicine, at 947 Blanco Cir, Salinas, CA 93901 in Monterey County. The practice phone is (310) 403-1491.
- Agile Occupational Medicine947 Blanco Cir, Salinas, CA 93901 · Monterey CountyPhone(310) 403-1491
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marc Douglas Johnson is affiliated with 3 sites of care and 2 medical groups
Dr. Johnson's primary practice is Agile Occupational Medicine in Salinas, California. The medical group on file is Pinnacle Health Care. Dmand AI also links Dr. Johnson to 1 more physician office, 1 group practice or clinic and 1 medical group, each 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. Marc Douglas Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Agile Occupational Medicine | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc Douglas Johnson is one of 1,526 general practice physicians in California
General practice is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Johnson is licensed in California.
Specialties and state licenses
- General practice, CaliforniaPrimary
General practice physicians near Dr. Johnson
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
Dr. Marc Douglas Johnson's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 50, with 34% women.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women34%
- Men66%
Source: Dmand AI Patient Panel Data
Dr. Marc Douglas Johnson wrote 42 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 42 Medicare Part D claims for 16 patients. 98% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $48 in total drug cost. In 2023, CMS named 47 claims across 3 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic41 claims98%
- Brand-name and other1 claims2%
Dr. Johnson'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 472024: 1274%
Drugs named by CMS: 1 in 2024, 3 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. Marc Douglas Johnson takes part in Medicare
Dr. Johnson 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)
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Dr. Marc Douglas Johnson graduated from American University of the Caribbean School of Medicine
Dr. Johnson graduated from American University of the Caribbean School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Marc Douglas Johnson accepts plans from 9 insurance carriers
Dr. Johnson is in network with 9 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Aspirus Health Plan
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Johnson accepts, by number of carriers
- Medicare5
- PPO5
- HMO4
- EPO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Marc Douglas Johnson'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. Marc Douglas Johnson
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. Marc Douglas Johnson's NPI number?
Dr. Marc Douglas Johnson's NPI number is 1033251681. It was assigned on February 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc Douglas Johnson?
Dr. Marc Douglas Johnson is a general practice physician in Salinas, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Marc Douglas Johnson practice?
Dr. Johnson practices at 947 Blanco Cir, Salinas, CA 93901. Dr. Johnson's primary practice is Agile Occupational Medicine in Salinas, California. Dmand AI also links Dr. Johnson to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Marc Douglas Johnson's office phone number?
The practice phone on file for Dr. Johnson is (310) 403-1491.
What is Dr. Marc Douglas Johnson's medical license number?
Dr. Johnson holds California license A79547.
What medical group is Dr. Marc Douglas Johnson part of?
Dr. Johnson is linked to Pinnacle Health Care. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Marc Douglas Johnson accept Medicare?
Yes. CMS lists Dr. Johnson as accepting Medicare assignment.
Where did Dr. Marc Douglas Johnson go to medical school?
Dr. Johnson graduated from American University of the Caribbean School of Medicine in 1996.
What drugs does Dr. Marc Douglas Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Levothyroxine Sodium.
How long has Dr. Marc Douglas Johnson been practicing?
Dr. Johnson graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Marc Douglas Johnson accept?
Dr. Johnson is in network with 9 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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