Active NPI
Crystal Lee Mackall, MD
- Pediatric Hematology & Oncology Physician
- Palo Alto, CA
National Provider Identifier
1003261660
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Hematology & Oncology Physician
- License
- C140084
- Practice address
- 725 Welch Rd
Palo Alto, CA 94304-1601 - Phone
- (650) 497-8000
- NPI assigned
- May 2, 2016
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | C140084 | CA | |
| Pediatric Hematology & Oncology Physician | 2080P0207X | C140084 | CA | Primary |
| Internal Medicine Physician | 207R00000X | C140084 | CA |
Addresses
Primary practice location
725 Welch Rd
Palo Alto, CA 94304-1601
Mailing address
265 Campus Dr
G3141A, Mc5456
Stanford, CA 94305-5101
Phone (650) 725-2553
Other practice location 1
265 Campus Dr
G3141A, Mc5456
Stanford, CA 94305-5101
Phone (650) 725-2553
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 140084 | CA | MD | Marriage & Family Therapist |
| C140084 | CA | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1462147200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1713225600000",
"number": "1003261660",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "265 CAMPUS DR",
"address_2": "G3141A, MC5456",
"city": "STANFORD",
"state": "CA",
"postal_code": "943055101",
"telephone_number": "650-725-2553"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "725 WELCH RD",
"city": "PALO ALTO",
"state": "CA",
"postal_code": "943041601",
"telephone_number": "650-497-8000"
}
],
"practiceLocations": [
{
"address_1": "265 Campus Dr",
"address_2": "G3141A, MC5456",
"address_purpose": "LOCATION",
"city": "Stanford",
"state": "CA",
"postal_code": "943055101",
"country_code": "US",
"telephone_number": "650-725-2553",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MACKALL",
"first_name": "CRYSTAL",
"middle_name": "LEE",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2016-05-02",
"last_updated": "2024-04-16",
"certification_date": "2024-04-16",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CA",
"license": "C140084",
"primary": false
},
{
"code": "2080P0207X",
"taxonomy_group": "",
"desc": "Pediatrics, Pediatric Hematology-Oncology",
"state": "CA",
"license": "C140084",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "C140084",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Palo Alto, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.