Robert Benjamin Stoltz, M.D.
Internal Medicine Physician · Lutherville, MD
Robert Benjamin Stoltz, M.D. is an internal medicine physician with a practice address in Lutherville, Maryland, and NPI 1043235310, issued on Jul 13, 2006. Check the license (Maryland D30910, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Robert Benjamin Stoltz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D30910 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1447 York RD, Lutherville, MD 21093
- Phone
- (410) 821-1300
- Enumerated
- Jul 13, 2006
- Record last updated
- Nov 19, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (410) 821-0201
- Medicare enrollment
- Enrolled (PECOS I20080311000443); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 1447 York RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Benjamin Stoltz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D30910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,549 Medicare Part D claims for 116 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 80 claims were for opioids.
Most prescribed
- Zolpidem Tartrate53 claims
- Rosuvastatin Calcium46 claims
- Hydrocodone-Acetaminophen44 claims
- Prednisone41 claims
- Clonazepam40 claims
- Atorvastatin Calcium37 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: $80.03
5 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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
- Agape Physical Therapy And Sports Rehabilitation LPForest Hill, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Benjamin Stoltz among 3,904 internal medicine physician records in Maryland
Robert Benjamin Stoltz, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1982 · median 2003 among the 2,445 with a school on file
- Record last updated2009 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 internal medicine physician records list a practice address in Lutherville
They are 65 of the 952 NPPES records with a practice address in Lutherville, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Lutherville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Aucott, M.D.Lutherville, MD 210931578564233
- Christine Bell Lafferman, M.D.Lutherville, MD 210931992771653
- Holly Dahlman, M.D.Lutherville, MD 210931962464552
- Norman Dy, MDLutherville Timonium, MD 210931215997275
- Melissa Fox, M.D.Lutherville, MD 210931700843273
- Tammy Hadley, M.D.Lutherville, MD 210931598766958
- Nicholas Mellis, M.D.Timonium, MD 210931588663108
- Susan Molinaro, M.D.Lutherville, MD 210931518968874
Common questions
What is Robert Benjamin Stoltz, M.D.'s NPI number?
Robert Benjamin Stoltz, M.D.'s National Provider Identifier (NPI) is 1043235310, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Benjamin Stoltz, M.D. located?
The NPPES record lists a practice address at 1447 York RD, Lutherville, MD, 21093. Phone: (410) 821-1300. Providers update this record themselves, so call before visiting.
How can I verify Robert Benjamin Stoltz, M.D.'s license?
NPPES lists Maryland license number D30910, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Benjamin Stoltz, M.D. prescribe under Medicare Part D?
In 2024, Robert Benjamin Stoltz, M.D. had 1,549 Medicare Part D claims for 116 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.