Daniel S. Wittkop, MD
Internal Medicine Physician · Sacramento, CA
Daniel S. Wittkop, MD is an internal medicine physician with a practice address in Sacramento, California, and NPI 1730267410, issued on Nov 1, 2006. Check the license (California A76642, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Daniel S. Wittkop
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A76642 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2025 Morse Ave, Sacramento, CA 95825
- Phone
- (916) 973-5000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A766420 CA
- Medicare enrollment
- Enrolled (PECOS I20040122000586); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2025 Morse Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mouner Abouelkhier, RPHPharmacist1164571832
- Elijah Abramson, MDEmergency Medicine Physician1992334965
- Cynthia Adams, RNMedical-Surgical Registered Nurse1346372190
- Jesse Adams, MDHematology & Oncology Physician1851479554
- Qudeer Ahmad, BS RRTCritical Care Registered Respiratory Therapist1649742594
- Paul Akins, MDNeurology Physician1952489528
Verify Daniel S. Wittkop in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A76642Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average internal medicine physician in 2024
5,693 Medicare Part D claims for 3,148 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 517 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen335 claims
- Albuterol Sulfate Hfa265 claims
- Atorvastatin Calcium237 claims
- Amlodipine Besylate203 claims
- Paxlovid172 claims
- Levothyroxine Sodium163 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.
Bills Medicare through one group practice
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel S. Wittkop among 17,696 internal medicine physician records in California
Daniel S. Wittkop, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2000 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
601 internal medicine physician records list a practice address in Sacramento
They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rashi Arora, MDSacramento, CA 958251205848892
- Eduardo Bermudez, MDSacramento, CA 958251306924048
- Bill Burr, MDSacramento, CA 958251720164254
- Anjali Chanana Gupta, M.D.Sacramento, CA 958251316042948
- Bayard Chang, M.D.Sacramento, CA 958251104816255
- Sunita Jain, M.D.Sacramento, CA 958251184691974
- Eliot Mah, MDSacramento, CA 958251982782660
- John Morelli, M.DSacramento, CA 958251841386653
Common questions
What is Daniel S. Wittkop, MD's NPI number?
Daniel S. Wittkop, MD's National Provider Identifier (NPI) is 1730267410, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel S. Wittkop, MD located?
The NPPES record lists a practice address at 2025 Morse Ave, Sacramento, CA, 95825. Phone: (916) 973-5000. Providers update this record themselves, so call before visiting.
How can I verify Daniel S. Wittkop, MD's license?
NPPES lists California license number A76642, 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 Daniel S. Wittkop, MD prescribe under Medicare Part D?
In 2024, Daniel S. Wittkop, MD had 5,693 Medicare Part D claims for 3,148 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.