Ruth Marie Jacobs, M.D.
Infectious Disease Physician · Rockville, MD
Ruth Marie Jacobs, M.D. is an infectious disease physician with a practice address in Rockville, Maryland, and NPI 1497774913, issued on Jul 18, 2006. Check the license (Maryland D29526, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ruth Marie Jacobs
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- D29526 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9420 Key West Ave, Rockville, MD 20850
- Phone
- (301) 315-9515
- Enumerated
- Jul 18, 2006
- Record last updated
- Aug 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (301) 309-0765
- Medicaid ID
- 756621200 MD
- Medicare enrollment
- Enrolled (PECOS I20081021000029); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 410 in Maryland → Look up another NPI →
Also registered at 9420 Key West Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ebony Carsonpinkney, DPTPhysical Therapist1710298682
- Victor Chang, DPTPhysical Therapist1588772347
- Christopher CheungPhysical Therapist1033535877
- Judy DatocPhysical Therapist1285047308
- Jonathan Elias, MDGynecology Physician1871578112
- Andrea EsparzaMental Health Counselor1053117796
Verify Ruth Marie Jacobs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D29526Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average infectious disease physician in 2024
151 Medicare Part D claims for 41 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Vancomycin Hcl25 claims
- Cefepime Hcl20 claims
- Ceftriaxone16 claims
- Amoxicillin-Clavulanate Potass15 claims
- Levofloxacin12 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.
The MIPS final score for 2023 (Medicare payment program): 16.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Ruth Marie Jacobs among 410 infectious disease physician records in Maryland
Ruth Marie Jacobs, M.D. is one of 410 infectious disease physician records with a practice address in Maryland. 59% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1980 · median 2002 among the 202 with a school on file
- Record last updated2011 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Maryland
There are 410 infectious disease physician records in Maryland.
All 410 in Maryland → Every provider in Rockville → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Gloria Aggrey, MDRockville, MD 208501588839286
- Sameh Aly, M.D.Rockville, MD 208501245287572
- Ali Asad Arastu, MDRockville, MD 208501912165028
- William BallouRockville, MD 208501982076394
- Dimitri Iarikov, MDRockville, MD 208501326268913
- Vikas Kapoor, M.D,Rockville, MD 208501871711309
- Puran Mathur, M.D.Rockville, MD 208501578619375
- Philip Murphy, M.D.Rockville, MD 208501083980072
Common questions
What is Ruth Marie Jacobs, M.D.'s NPI number?
Ruth Marie Jacobs, M.D.'s National Provider Identifier (NPI) is 1497774913, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Marie Jacobs, M.D. located?
The NPPES record lists a practice address at 9420 Key West Ave, Rockville, MD, 20850. Phone: (301) 315-9515. Providers update this record themselves, so call before visiting.
How can I verify Ruth Marie Jacobs, M.D.'s license?
NPPES lists Maryland license number D29526, 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 Ruth Marie Jacobs, M.D. prescribe under Medicare Part D?
In 2024, Ruth Marie Jacobs, M.D. had 151 Medicare Part D claims for 41 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Ruth Marie Jacobs, M.D.'s MIPS final score?
The 2023 MIPS final score is 16.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.