Doctor profile · Federal record
Dr. Daniel Null, MD
Internal Medicine Physician (CMS: Internal Medicine) · San Francisco, CA
- NPI 1689638744
- Accepts Medicare
- MIPS 70.8 / 100 · 2023
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1701 Divisadero St, Ste. 500
San Francisco, CA 941153011
(415) 353-7300
fax (415) 353-7901 - Mailing address
-
1635 Divisadero St, Ste. 625, Box 1821
San Francisco, CA 941430001
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- August 30, 2012
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G73163
- Medicaid
- CA #00G731630
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689638744. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
621
Distinct HCPCS
5
Medicare allowed
$76,884
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 348 | 242 | $109 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 201 | 107 | $162 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 30 | 23 | $110 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 26 | $74 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 14 | 14 | $64 |
In context: peer comparison
Among 236 peers in this city , average services per provider: 93. This provider delivers 6.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,070
Patients
537
Total drug cost
$47,640
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 434 | 116 | $7,335 |
| Amlodipine Besylate | Generic | 207 | 61 | $2,350 |
| Levothyroxine Sodium | Generic | 169 | 37 | $2,975 |
| Gabapentin | Generic | 129 | 37 | $6,901 |
| Rosuvastatin Calcium | Generic | 128 | 35 | $2,885 |
| Tamsulosin Hcl | Generic | 124 | 37 | $3,965 |
| Losartan Potassium | Generic | 119 | 30 | $1,805 |
| Oxycodone Hcl | Generic | 112 | 18 | $4,531 |
| Allopurinol | Generic | 111 | 20 | $3,346 |
| Lisinopril | Generic | 96 | 22 | $1,375 |
Hospital affiliations
Frequently asked questions
What is Dr. Daniel Null's medical specialty?
Dr. Daniel Null practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Daniel Null practice?
Dr. Daniel Null practices at 1701 Divisadero St, San Francisco, CA 941153011. Office phone: 4153537300.
What is Dr. Daniel Null's NPI?
Dr. Daniel Null's National Provider Identifier (NPI) is 1689638744, issued by NPPES.
Does Dr. Daniel Null accept Medicare assignment?
Yes. Dr. Daniel Null accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Null commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.