Shannon Eileen Sullivan-Cramer, M.D.
Obstetrics & Gynecology Physician · Walnut Creek, CA
Shannon Eileen Sullivan-Cramer, M.D. is an obstetrics & gynecology physician with a practice address in Walnut Creek, California, and NPI 1255673463, issued on Mar 26, 2013. Check the license (California A132806, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shannon Eileen Sullivan-Cramer
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A132806 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2637 Shadelands Dr, Walnut Creek, CA 94598
- Phone
- (925) 945-6600
- Enumerated
- Mar 26, 2013
- Record last updated
- Feb 11, 2025
- Fax
- (925) 945-7842
- Medicare enrollment
- Enrolled (PECOS I20170522001817); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2013
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 2637 Shadelands Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Anand, NPFamily Nurse Practitioner1023993102
- Stacyann Andaya, NPFamily Nurse Practitioner1649893660
- Audrey Arzamendi, M.D.Endocrinology, Diabetes & Metabolism Physician1508159567
- Anthony Bernens, MDInternal Medicine Physician1215983440
- Jennifer Chan, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1265634687
- Heidi Chang, MDObstetrics & Gynecology Physician1649681982
Verify Shannon Eileen Sullivan-Cramer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A132806Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
147 Medicare Part D claims for 53 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol33 claims
- Estradiol (Twice Weekly)28 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: $29,473.96
19 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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 one group practice
- Epic CareWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shannon Eileen Sullivan-Cramer among 5,088 obstetrics & gynecology physician records in California
Shannon Eileen Sullivan-Cramer, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 78% of them.
- NPI issued2013 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2013 · median 2004 among the 2,700 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 obstetrics & gynecology physician records list a practice address in Walnut Creek
They are 56 of the 6,170 NPPES records with a practice address in Walnut Creek, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Walnut Creek → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Rosemary DelgadoWalnut Creek, CA 945981235140500
- Anh Do, MDWalnut Creek, CA 945981548362122
- Tanees Edraki, MDWalnut Creek, CA 945981881644482
- Yaron Friedman, M.D.Walnut Creek, CA 945981730104704
- Nadine Hanna, M.D.Walnut Creek, CA 945981043244007
- Luman Hughes, M.D.Walnut Creek, CA 945981124040274
- Sari Kasper, D.O.Walnut Creek, CA 945981194739110
- Gerald Katz, M.D.Walnut Creek, CA 945981306868450
Common questions
What is Shannon Eileen Sullivan-Cramer, M.D.'s NPI number?
Shannon Eileen Sullivan-Cramer, M.D.'s National Provider Identifier (NPI) is 1255673463, issued on Mar 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Shannon Eileen Sullivan-Cramer, M.D. located?
The NPPES record lists a practice address at 2637 Shadelands Dr, Walnut Creek, CA, 94598. Phone: (925) 945-6600. Providers update this record themselves, so call before visiting.
How can I verify Shannon Eileen Sullivan-Cramer, M.D.'s license?
NPPES lists California license number A132806, 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 Shannon Eileen Sullivan-Cramer, M.D. prescribe under Medicare Part D?
In 2024, Shannon Eileen Sullivan-Cramer, M.D. had 147 Medicare Part D claims for 53 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.