Nancy Klein Bailowitz, MD
Internal Medicine Physician · Lutherville, MD
Nancy Klein Bailowitz, MD is an internal medicine physician with a practice address in Lutherville, Maryland, and NPI 1922033117, issued on Jul 12, 2006. Check the license (Maryland D0047573, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Nancy Klein Bailowitz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0047573 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2360 W Joppa RD, Lutherville, MD 21093
- Phone
- (410) 847-3535
- Enumerated
- Jul 12, 2006
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 127702200 MD
- Medicare enrollment
- Enrolled (PECOS I20051219000397); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2360 W Joppa RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Andrews, MS, MA, RD, LDNRegistered Dietitian1790990695
- Gina Basey, PSY.D.Psychologist1821123233
- Glenn Brynes, M.D.Geriatric Psychiatry Physician1740293901
- Holly Dahlman, M.D.Internal Medicine Physician1962464552
- Donna Dennis, RDRegistered Dietitian1992010771
- Bonnie Epstein, M.D.Dermatology Physician1508855248
Verify Nancy Klein Bailowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0047573Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average internal medicine physician in 2024
3,724 Medicare Part D claims for 370 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 56 claims were for opioids.
Most prescribed
- Levothyroxine Sodium241 claims
- Rosuvastatin Calcium189 claims
- Amlodipine Besylate180 claims
- Atorvastatin Calcium170 claims
- Losartan Potassium167 claims
- Hydrochlorothiazide145 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 practice group's MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $28.04
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. 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 3 group practices
- Agape Physical Therapy And Sports Rehabilitation LPForest Hill, MD
- Legacy Healthcare Services IncDurham, NC
- University OF Maryland St Joseph Medical Group LLCTowson, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 65 in Lutherville → All 3,904 in Maryland → Every provider in Lutherville →
Other internal medicine physician records in Maryland
- Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
- Rasheed Abassi, M.D.Clinton, MD1376608620
- Ghulam Abbas, MDFrederick, MD1477658045
- Shamima Abbas, MDKensington, MD1750445896
- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
- Hamdi AbdeenGaithersburg, MD1245972413
- Mukemil Abdella, M.D.Glenn Dale, MD1871603381
- Suzan Abdo, MDClarksville, MD1588631824
- Madeeha Abdul GhaffarElkton, MD1194276063
Common questions
What is Nancy Klein Bailowitz, MD's NPI number?
Nancy Klein Bailowitz, MD's National Provider Identifier (NPI) is 1922033117, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Klein Bailowitz, MD located?
The NPPES record lists a practice address at 2360 W Joppa RD, Lutherville, MD, 21093. Phone: (410) 847-3535. Providers update this record themselves, so call before visiting.
How can I verify Nancy Klein Bailowitz, MD's license?
NPPES lists Maryland license number D0047573, 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 Nancy Klein Bailowitz, MD prescribe under Medicare Part D?
In 2024, Nancy Klein Bailowitz, MD had 3,724 Medicare Part D claims for 370 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nancy Klein Bailowitz, MD's MIPS final score?
The 2023 MIPS final score is 89.3 of 100, reported for the practice group. 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.