Adam Samuel Abdur-Rahim Sperling, MD, PHD
Hematology (Internal Medicine) Physician · Stanford, CA
Adam Samuel Abdur-Rahim Sperling, MD, PHD is a hematology (internal medicine) physician with a practice address in Stanford, California, and NPI 1023303161, issued on Jun 16, 2011. Check the license (California C206781, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adam Samuel Abdur-Rahim Sperling
- Credential
- MD, PHD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License numbers
- C206781 CA
247520 MA
254762 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Jun 16, 2011
- Record last updated
- Apr 15, 2026
- Medicare enrollment
- Enrolled (PECOS I20150911001163); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 175 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Adam Samuel Abdur-Rahim Sperling in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C206781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
96 Medicare Part D claims for 28 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Revlimid16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $173.52
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Brigham And Womens Physicians Organization IncJamaica Plain, MA
- Dana-Farber Cancer Institute, Inc.Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam Samuel Abdur-Rahim Sperling among 175 hematology (internal medicine) physician records in California
Adam Samuel Abdur-Rahim Sperling, MD, PHD is one of 175 hematology (internal medicine) physician records with a practice address in California. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2011 · median 2006 among the 135 with a school on file
- Record last updated2026 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 hematology (internal medicine) physician records list a practice address in Stanford
They are 44 of the 5,606 NPPES records with a practice address in Stanford, and 175 hematology (internal medicine) physician records in California.
All 175 in California → Every provider in Stanford → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Judy Cheng, MDStanford, CA 943051568577906
- Wei Ding, MDStanford, CA 943051265454201
- Calvin Kuo, M.D. PH.D.Stanford, CA 943051609954825
- Lawrence Leung, M.D.Stanford, CA 943051356388383
- Ravindra Majeti, M.D.Stanford, CA 943051326195447
- James Malone, MDStanford, CA 943051457343113
- Beth Martin, MDStanford, CA 943051134154420
- Bruno Medeiros, MDStanford, CA 943051760420657
Common questions
What is Adam Samuel Abdur-Rahim Sperling, MD, PHD's NPI number?
Adam Samuel Abdur-Rahim Sperling, MD, PHD's National Provider Identifier (NPI) is 1023303161, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Adam Samuel Abdur-Rahim Sperling, MD, PHD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Adam Samuel Abdur-Rahim Sperling, MD, PHD's license?
NPPES lists California license number C206781, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Adam Samuel Abdur-Rahim Sperling, MD, PHD prescribe under Medicare Part D?
In 2024, Adam Samuel Abdur-Rahim Sperling, MD, PHD had 96 Medicare Part D claims for 28 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.