Jennifer Manickam, MD
Internal Medicine Physician · Vallejo, CA
Jennifer Manickam, MD is an internal medicine physician with a practice address in Vallejo, California, and NPI 1598837247, issued on Nov 15, 2006. Check the license (California A70859, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer Manickam
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A70859 CA
Self-reported in NPPES; status is on the state search - Practice location
- 975 Sereno Dr, Vallejo, CA 94589
- Phone
- (707) 651-1000
- Enumerated
- Nov 15, 2006
- Entity
- Type 1 · individual
Also registered at 975 Sereno Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
- Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
- Anthony Acquaviva, MDUrology Physician1457439283
- Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
- Omid AfshariPharmacist1184165391
- Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687
Verify Jennifer Manickam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
86% more Medicare Part D claims than the average internal medicine physician in 2024
5,173 Medicare Part D claims for 773 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 140 claims were for opioids.
Most prescribed
- Atorvastatin Calcium393 claims
- Amlodipine Besylate265 claims
- Losartan Potassium195 claims
- Levothyroxine Sodium191 claims
- Lisinopril174 claims
- Albuterol Sulfate Hfa169 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.
One hospital or facility affiliation
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
67 internal medicine physician records list a Vallejo practice address
They are 67 of the 2,836 NPPES records with a Vallejo practice address, and 20,403 internal medicine physician records in California.
All 67 in Vallejo → All 20,403 in California → Every provider in Vallejo →
Other internal medicine physician records in California
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- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Jennifer Manickam, MD's NPI number?
Jennifer Manickam, MD's National Provider Identifier (NPI) is 1598837247, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Manickam, MD located?
The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-1000. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Manickam, MD's license?
NPPES lists California license number A70859, 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 Jennifer Manickam, MD prescribe under Medicare Part D?
In 2024, Jennifer Manickam, MD had 5,173 Medicare Part D claims for 773 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.