Doctor profile · Federal record

Dr. Altaf Ansari, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Berkeley, CA

  • NPI 1700938297
  • Accepts Medicare
  • 50 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
2500 Milvia St
Berkeley, CA 947042636
(510) 204-5514
fax (510) 204-5515
Additional location
20101 Lake Chabot RD
Castro Valley, CA 945465305
(510) 247-6300
fax (510) 247-6303
Additional location
4053 Lone Tree Way Ste 101
Antioch, CA 945316210
(925) 756-3499
fax (510) 506-7732
Show 1 more location
Additional location
330 East 17Th St
New York, NY 10003
(212) 420-2000
Mailing address
407 Airport Exe Park
Nanuet, NY 10954

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
August 10, 2022
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #352047 · New York #164300
Medicaid
NY #01016366

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700938297. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
516
Distinct HCPCS
10
Medicare allowed
$59,043
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 123 120 $152
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 109 41 $37
99213 Established patient office or other outpatient visit, 20-29 minutes 74 73 $109
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $194
99215 Established patient office or other outpatient visit, 40-54 minutes 45 44 $203
81003 Automated urinalysis test 37 36 $2
99203 New patient office or other outpatient visit, 30-44 minutes 35 35 $134
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 19 18 $16
99205 New patient office or other outpatient visit, 60-74 minutes 17 17 $260
99212 Established patient office or other outpatient visit, 10-19 minutes 12 11 $70

In context: peer comparison

Among 16 peers in this city , average services per provider: 94. This provider delivers 5.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
58
Total drug cost
$543
Drug Type Claims Patients Total cost
Cephalexin Generic 30 30 $232
Doxycycline Monohydrate Generic 28 28 $312

Frequently asked questions

Auto-generated from federal data
What is Dr. Altaf Ansari's medical specialty?
Dr. Altaf Ansari practices Emergency Medicine Physician in Berkeley, CA.
Where does Dr. Altaf Ansari practice?
Dr. Altaf Ansari practices at 2500 Milvia St, Berkeley, CA 947042636. Office phone: 5102045514.
What is Dr. Altaf Ansari's NPI?
Dr. Altaf Ansari's National Provider Identifier (NPI) is 1700938297, issued by NPPES.
Does Dr. Altaf Ansari accept Medicare assignment?
Yes. Dr. Altaf Ansari accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Altaf Ansari commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.