Joseph Daniel Herman, NP

  • Mill Valley, CA
  • Nurse practitioner
NPI1841984820PAC ID4183062201
Medicare patients, 2024
37
Part D claims, 2024
437
Hospital affiliations
1
Industry payments
$396
Medical groups
3
Practice address
750 Redwood Hwy Frontage Rd, Mill Valley, CA 94941
Practice phone
Call (415) 578-3100
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

One Medical Group

Mill Valley, California

See all 8 affiliations

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Joseph Daniel Herman is a nurse practitioner in Mill Valley, California

Joseph Herman practices at One Medical Group in Mill Valley, California.

Joseph Herman's NPI, 1841984820, was assigned on June 5, 2023. Joseph Herman holds California license 95035489.

NPI and contact details
Medicare PAC ID
4183062201
NPI enumeration date
June 5, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 578-3100
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
31
Medical school graduation
2021

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

Joseph Daniel Herman practices at One Medical Group in Mill Valley, California

Joseph Herman's primary practice is One Medical Group, at 750 Redwood Hwy Frontage Rd, Mill Valley, CA 94941 in Marin County. The practice phone is (415) 578-3100.

  • One Medical Group
    750 Redwood Hwy Frontage Rd, Mill Valley, CA 94941 · Marin CountyPhone(415) 578-3100

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

Joseph Daniel Herman is affiliated with 5 sites of care and 3 medical groups

Joseph Herman's primary practice is One Medical Group in Mill Valley, California. Joseph Herman is also affiliated with MarinHealth Medical Center. The medical group on file is One Medical. Dmand AI also links Joseph Herman to 3 more group practices and clinics and 2 medical groups, each named with a free account.

See all 8 affiliations for Joseph Herman

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

Dmand AI tracks the EHR system at Joseph Daniel Herman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Joseph Herman practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
One Medical GroupAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Joseph Daniel Herman is one of 5,983 nurse practitioners in California

Nurse practitioner is Joseph Herman's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Joseph Herman is licensed in California.

Specialties and state licenses

  • Nurse practitioner, CaliforniaPrimaryLicense 95035489 · taxonomy 363L00000X

Nurse practitioners near Joseph Herman

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

5,983nurse practitioners in California
3nurse practitioners in Mill Valley

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

Joseph Daniel Herman treated 37 Medicare patients in 2024, average age 72

CMS counts 37 Medicare patients who saw Joseph Herman in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.22, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Joseph Herman's median patient age at 47, with 53% women.

Medicare patients, 202437
Average age72
Average risk score1.22

Joseph Herman's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Joseph Herman's Medicare patients by sex, 2024

  • Women2465%
  • Men1335%

Chronic conditions among Joseph Herman's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis54%
  4. Diabetes38%
  5. Ischemic heart disease38%
  6. Anxiety30%

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

Joseph Herman's patients across all payers

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

Patient panel by age, all payers

Median age 47

Patient panel by sex, all payers

  • Women53%
  • Men41%

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

Joseph Daniel Herman wrote 437 Medicare Part D claims in 2024

In 2024, Joseph Herman wrote 437 Medicare Part D claims for 175 patients. 83% of them were for generic drugs.

Part D claims, 2024437
Part D patients175

Joseph Herman's Part D claims by kind of drug, 2024

  • Generic363 claims83%
  • Brand-name and other74 claims17%

Drug classes CMS tracks in Joseph Herman's Part D claims, 2024

  • Antibiotics22%98 of 437 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Joseph Daniel Herman offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Joseph Daniel Herman received $396 in industry payments in 2025

CMS Open Payments shows 21 general payments to Joseph Herman from 10 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $88.

Companies that paid Joseph Herman the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Joseph Herman

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

Sources for Joseph Daniel Herman'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
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 Joseph Daniel Herman

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

What is Joseph Daniel Herman's NPI number?

Joseph Daniel Herman's NPI number is 1841984820. It was assigned on June 5, 2023, and it is active in the NPI Registry.

What does Joseph Daniel Herman specialize in?

Joseph Daniel Herman is a nurse practitioner in Mill Valley, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Joseph Daniel Herman practice?

Joseph Herman practices at 750 Redwood Hwy Frontage Rd, Mill Valley, CA 94941. Joseph Herman's primary practice is One Medical Group in Mill Valley, California. Dmand AI also links Joseph Herman to 3 group practices and clinics and 2 medical groups.

What is Joseph Daniel Herman's office phone number?

The practice phone on file for Joseph Herman is (415) 578-3100.

What is Joseph Daniel Herman's medical license number?

Joseph Herman holds California license 95035489.

Which hospitals is Joseph Daniel Herman affiliated with?

Joseph Herman is affiliated with MarinHealth Medical Center.

What medical group is Joseph Daniel Herman part of?

Joseph Herman is linked to One Medical. Dmand AI links Joseph Herman to 2 more medical groups.

Does Joseph Daniel Herman accept Medicare?

Yes. CMS lists Joseph Herman as accepting Medicare assignment.

Does Joseph Daniel Herman offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Joseph Herman as offering telehealth services.

How many Medicare patients does Joseph Daniel Herman see?

CMS counts 37 Medicare patients who saw Joseph Herman in 2024, with an average age of 72.

Has Joseph Daniel Herman received payments from drug or device companies?

CMS Open Payments shows $396 in general payments to Joseph Herman from 10 companies from 2025 to 2025. The largest total came from Exact Sciences Corporation.

How long has Joseph Daniel Herman been practicing?

Joseph Herman graduated from medical school in 2021, 5 years ago.

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