Doctor profile · Federal record
Dr. Aparajita Singh, MD, MPH
Chronic Disease Hospital (CMS: Gastroenterology) · San Francisco, CA
- NPI 1467644146
- Accepts Medicare
- 23 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
533 Parnassus Ave, C-430, Box 0131
San Francisco, CA 941432208
(415) 476-4818
Credentials & registration
- NPI registered
- August 2007 — 19 yrs on file
- Profile last updated
- July 10, 2009
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 281P00000X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467644146. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
242
Distinct HCPCS
10
Medicare allowed
$36,487
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 71 | 61 | $164 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 34 | 33 | $104 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 30 | 30 | $277 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 19 | 19 | $170 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 18 | 18 | $204 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 17 | 17 | $6 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 14 | $146 | |
99421 |
Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes | 15 | 11 | $15 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 12 | 12 | $194 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 11 | 11 | $113 |
In context: peer comparison
Among 1 peers in San Francisco Chronic Disease Hospital, average services per provider: 24. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$104
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Exact Sciences Corporation | 1 | $104.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
47
Patients
13
Total drug cost
$2,671
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 35 | 13 | $1,304 |
| Ampicillin Sodium | Generic | 12 | 0 | $1,367 |
Hospital affiliations
Frequently asked questions
What is Dr. Aparajita Singh's medical specialty?
Dr. Aparajita Singh practices Chronic Disease Hospital in San Francisco, CA.
Where does Dr. Aparajita Singh practice?
Dr. Aparajita Singh practices at 533 Parnassus Ave, San Francisco, CA 941432208. Office phone: 4154764818.
What is Dr. Aparajita Singh's NPI?
Dr. Aparajita Singh's National Provider Identifier (NPI) is 1467644146, issued by NPPES.
Does Dr. Aparajita Singh accept Medicare assignment?
Yes. Dr. Aparajita Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aparajita Singh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.