Doctor profile · Federal record
Dr. Douglas Cohen, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Mill Valley, CA
- NPI 1932127248
- Accepts Medicare
- MIPS 78.5 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
655 Redwood Hwy Frontage RD Ste 375
Mill Valley, CA 949413041
(415) 968-1888
fax (415) 718-0294 - Additional location
-
250 Bon Air RD, 3Rd Floor
Greenbrae, CA 949041702
(415) 925-7545
fax (415) 925-7008 - Mailing address
-
336 Bon Air Ctr # 427
Greenbrae, CA 949043017
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- May 19, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G75866
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932127248. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,944
Distinct HCPCS
9
Medicare allowed
$661,309
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,301 | 581 | $132 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,178 | 522 | $88 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 1,020 | 898 | $193 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 596 | 562 | $144 | |
99239 |
Hospital discharge day management, more than 30 minutes | 544 | 513 | $129 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 180 | 68 | $55 | |
99291 |
Critical care, first 30-74 minutes | 76 | 56 | $233 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 27 | 27 | $92 | |
99238 |
Hospital discharge day management, 30 minutes or less | 22 | 22 | $92 |
In context: peer comparison
Among 2 peers in Mill Valley Internal Medicine Physician, average services per provider: 395. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$124
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Edwards Lifesciences Corporation | 1 | $124.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
39
Patients
0
Total drug cost
$431
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 14 | 0 | $59 |
| Potassium Chloride | Generic | 14 | 0 | $303 |
| Amlodipine Besylate | Generic | 11 | 0 | $69 |
Frequently asked questions
What is Dr. Douglas Cohen's medical specialty?
Dr. Douglas Cohen practices Internal Medicine Physician in Mill Valley, CA.
Where does Dr. Douglas Cohen practice?
Dr. Douglas Cohen practices at 655 Redwood Hwy Frontage RD Ste 375, Mill Valley, CA 949413041. Office phone: 4159681888.
What is Dr. Douglas Cohen's NPI?
Dr. Douglas Cohen's National Provider Identifier (NPI) is 1932127248, issued by NPPES.
Does Dr. Douglas Cohen accept Medicare assignment?
Yes. Dr. Douglas Cohen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Cohen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.