Robert Nathan Titcher, MD
Internal Medicine Physician · Sylmar, CA
Robert Nathan Titcher, MD is an internal medicine physician with a practice address in Sylmar, California, and NPI 1083704902, issued on Oct 13, 2006. Check the license (California A27783, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Nathan Titcher
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A27783 CA
A35435 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14124 Foothill Blvd, Sylmar, CA 91342
- Phone
- (818) 367-1012
- Enumerated
- Oct 13, 2006
- Record last updated
- Feb 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (818) 367-7570
- Medicaid ID
- 00A354350 CA
- Medicare enrollment
- Enrolled (PECOS I20100818000967); may accept Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1979
- 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 14124 Foothill Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Aguilar, RN, NPFamily Nurse Practitioner1831556919
- Christina Alvarez, PHARM TECHPharmacy Technician1396860094
- Olga Alzogaral, PHARM TECHPharmacy Technician1245355957
- Patricia Avnet, PHARM TECHPharmacy Technician1649395328
- Kristin AyusteFamily Nurse Practitioner1730585308
- Wendy BassPharmacy Technician1992820682
Verify Robert Nathan Titcher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A27783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,290 Medicare Part D claims for 499 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 355 claims were for opioids.
Most prescribed
- Atorvastatin Calcium509 claims
- Amlodipine Besylate265 claims
- Hydrocodone-Acetaminophen205 claims
- Famotidine193 claims
- Levothyroxine Sodium186 claims
- Losartan Potassium161 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: $20.92
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Herbert S Radley MD And Harold M Cohen MD Medical CorporationSylmar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Nathan Titcher among 17,696 internal medicine physician records in California
Robert Nathan Titcher, 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
- Graduated1979 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 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).
102 internal medicine physician records list a practice address in Sylmar
They are 102 of the 1,454 NPPES records with a practice address in Sylmar, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sylmar → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fredric Adler, MDSylmar, CA 913421356376735
- Janet Au, MDSylmar, CA 913421932126570
- Peter Balingit, MDSylmar, CA 913421114952264
- Andrea Cooperman, MDSylmar, CA 913421326134560
- Basem Fanous, MDSylmar, CA 913421619072600
- Emil Heinze, MDSylmar, CA 913421720175052
- Miles Jakl, M.D.Sylmar, CA 913421992738306
- Luis Lovato, M.D.Sylmar, CA 913421407945678
Common questions
What is Robert Nathan Titcher, MD's NPI number?
Robert Nathan Titcher, MD's National Provider Identifier (NPI) is 1083704902, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Nathan Titcher, MD located?
The NPPES record lists a practice address at 14124 Foothill Blvd, Sylmar, CA, 91342. Phone: (818) 367-1012. Providers update this record themselves, so call before visiting.
How can I verify Robert Nathan Titcher, MD's license?
NPPES lists California license number A27783, 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 Robert Nathan Titcher, MD prescribe under Medicare Part D?
In 2024, Robert Nathan Titcher, MD had 7,290 Medicare Part D claims for 499 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.