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Edit this profileBased in San Francisco, CA, Peter D. Chang, MD is listed in the NPI registry under nuclear medicine. Peter graduated from Northwestern University Feinberg Medical School in 2012. Peter is also listed as specializing in diagnostic radiology. According to Medicare claims data, Peter cared for 438 Medicare patients across 731 services. The services billed most often include injection, gadobutrol, 0.1 ml, ct scan head or brain without contrast, and mri scan of brain before and after contrast. NPI 1841530458 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
505 PARNASSUS AVE
San Francisco, CA 94143
180 Fort Washington Ave Harkness Pavillion, Room 313
New York, NY 10032
731 services · 438 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
113 | Less often than most peers in Nuclear Medicine |
| Mri scan of brain before and after contrast | Imaging | 70553 |
64 | As often as other peers in Nuclear Medicine |
| Mri scan of brain before and after contrast | Imaging | 70553 |
38 | As often as other peers in Nuclear Medicine |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
37 | Less often than most peers in Nuclear Medicine |
| Ct scan of upper spine without contrast | Imaging | 72125 |
35 | Less often than most peers in Nuclear Medicine |
| Mri scan of brain without contrast | Imaging | 70551 |
28 | Less often than most peers in Nuclear Medicine |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
22 | Less often than most peers in Nuclear Medicine |
| Mri scan of brain without contrast | Imaging | 70551 |
20 | Less often than most peers in Nuclear Medicine |
| Ct scan of face without contrast | Imaging | 70486 |
16 | Less often than most peers in Nuclear Medicine |
| Mri scan of upper spinal canal without contrast | Imaging | 72141 |
15 | Less often than most peers in Nuclear Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is a nuclear medicine in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Chang is listed at 505 Parnassus Ave, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 476-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Chang's National Provider Identifier is 1841530458. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Chang attended Northwestern University Feinberg Medical School, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chang has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chang performs imaging including ct scan head or brain without contrast and mri scan of brain before and after contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
Guide.md
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