DR. DOUGLAS E COHEN M.D.
NPI 1932127248
Internal Medicine in Mill Valley, CA

Q: What is Douglas Cohen's NPI number?

The NPI number for Douglas Cohen is 1932127248. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Q: What is Douglas Cohen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Douglas Cohen was last updated on May 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment

84.71/100

CMS Quality Rating

655 REDWOOD HWY FRONTAGE RD STE 375, MILL VALLEY, CA 94941(415) 968-1888(415) 718-0294 Get Directions Write a Review

NPPES record last updated: May 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 19, 2025, Sep 12, 2024 (2 updates tracked since 2024).

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About Dr. Douglas E Cohen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DOUGLAS E COHEN M.D. (NPI 1932127248) is an individual internal medicine provider in Mill Valley, California, licensed in California (G75866) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Greenbrae, and is a graduate of New York University School Of Medicine (1991).

NPPES Registry Identity

NPI1932127248

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. DOUGLAS E COHENCredential: M.D.

Location Address655 REDWOOD HWY FRONTAGE RD STE 375Mill Valley, CA 94941-3041

Mailing Address336 Bon Air Ctr # 427Greenbrae, CA 94904-3017 · (415) 968-1888 · Fax (415) 718-0294

Phone(415) 968-1888

Fax(415) 718-0294

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 1991

Enumeration DateJuly 17, 2006

Last NPPES UpdateMay 19, 20252 updates tracked since enumeration

NPPES CertifiedMay 19, 2025

✔ NPI 1932127248 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · G75866

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X · License G75866 (CA)

655 REDWOOD HWY FRONTAGE RD STE 375, Mill Valley, CA 94941

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Secondary Practice Location 1

Location 1250 Bon Air Rd, 3rd FloorGreenbrae, CA 94904-1702 · Phone (415) 925-7545 · Fax (415) 925-7008

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Douglas E Cohen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406805670

PECOS Enrollment IDI20050114000398

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

315 services156 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

192 services110 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

129 services124 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

108 services107 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

62 services61 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

32 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94941 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$154.04 typical visit price

range $69.07 – $202.63

Typical copayment $38.51 (range $17.26 – $50.65)

Most-billed visit code 99204

Established Patient

$119.61 typical visit price

range $23.44 – $166.64

Typical copayment $29.90 (range $5.86 – $41.66)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.71/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

97.15

Improvement Activities

Cost

83.57

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier22 claims22 services$15.00 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers30 claims30 services$69.35 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. IRENE TEPER M.D.

Internal Medicine