Doctor profile · Federal record
Dr. Denise Yun, MD
Internal Medicine Physician (CMS: Internal Medicine) · Berkeley, CA
- NPI 1770655508
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1801 Shattuck Ave Ste A
Berkeley, CA 947091872
(888) 663-6331 - Additional location
-
1144 65Th St Ste F
Oakland, CA 946081053
(510) 929-1400
fax (510) 929-1414 - Mailing address
-
1 Embarcadero Ctr Ste 1900
San Francisco, CA 941113723
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- December 23, 2025
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A73522
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770655508. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
397
Distinct HCPCS
9
Medicare allowed
$34,061
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 124 | 88 | $139 | |
36415 |
Insertion of needle into vein for collection of blood sample | 77 | 58 | $8 | |
99348 |
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 50 | 42 | $84 | |
99347 |
Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | 49 | 36 | $50 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 40 | 23 | $73 | |
99350 |
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 16 | 16 | $195 | |
81002 |
Urinalysis, manual test | 15 | 14 | $3 | |
99344 |
Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes | 14 | 14 | $161 | |
99497 |
Advance care planning, first 30 minutes | 12 | 12 | $97 |
In context: peer comparison
Among 10 peers in Berkeley Internal Medicine Physician, average services per provider: 117. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $19.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,294
Patients
227
Total drug cost
$69,359
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 243 | 39 | $2,746 |
| Atorvastatin Calcium | Generic | 175 | 37 | $2,734 |
| Amlodipine Besylate | Generic | 111 | 26 | $948 |
| Donepezil Hcl | Generic | 83 | 18 | $3,454 |
| Tamsulosin Hcl | Generic | 81 | 14 | $1,264 |
| Eliquis (Apixaban) | Brand | 73 | 11 | $46,528 |
| Memantine Hcl | Generic | 72 | 12 | $2,586 |
| Escitalopram Oxalate | Generic | 69 | 14 | $1,085 |
| Duloxetine Hcl | Generic | 64 | 0 | $2,716 |
| Mirtazapine | Generic | 64 | 11 | $1,279 |
Frequently asked questions
What is Dr. Denise Yun's medical specialty?
Dr. Denise Yun practices Internal Medicine Physician in Berkeley, CA.
Where does Dr. Denise Yun practice?
Dr. Denise Yun practices at 1801 Shattuck Ave Ste A, Berkeley, CA 947091872. Office phone: 8886636331.
What is Dr. Denise Yun's NPI?
Dr. Denise Yun's National Provider Identifier (NPI) is 1770655508, issued by NPPES.
Does Dr. Denise Yun accept Medicare assignment?
Dr. Denise Yun does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Denise Yun commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Residence visit for established patient with low level of medical decision making (HCPCS 99348). Source: CMS Medicare Physician & Other Practitioners file.