Katrina Schafer Mark, MD
Obstetrics & Gynecology Physician · Baltimore, MD
Katrina Schafer Mark, MD is an obstetrics & gynecology physician with a practice address in Baltimore, Maryland, and NPI 1508025313, issued on Jun 6, 2008. Check the license (Maryland D0073776, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Katrina Schafer Mark
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- D0073776 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11 S Paca St, Baltimore, MD 21201
- Phone
- (410) 328-5964
- Enumerated
- Jun 6, 2008
- Record last updated
- Jun 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (410) 328-3589
- Medicare enrollment
- Enrolled (PECOS I20120829000241); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,034 in Maryland → Look up another NPI →
Also registered at 11 S Paca St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Bolt, CRNACertified Registered Nurse Anesthetist1326141516
- Marianne Cloeren, MD, MPHInternal Medicine Physician1093864522
- Loza RobaAmbulatory Care Pharmacist1609508332
- Quincy Tran, MD PHDEmergency Medicine Physician1952549438
- Kathy VranekPharmacist1902595549
Verify Katrina Schafer Mark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0073776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
12 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 100 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: $22.41
1 payment: food and beverage; the largest payer was Braeburn Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- University OF Maryland Obstetrical And Gynecological Associates PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katrina Schafer Mark among 1,034 obstetrics & gynecology physician records in Maryland
Katrina Schafer Mark, MD is one of 1,034 obstetrics & gynecology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 36% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2008 · median 2005 among the 597 with a school on file
- Record last updated2012 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Maryland
There are 1,034 obstetrics & gynecology physician records in Maryland.
All 1,034 in Maryland → Every provider in Baltimore → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lindsay Alger, M.D.Baltimore, MD 212011174569065
- Richard Bass, MDBaltimore, MD 212011437150091
- May Blanchard, MDBaltimore, MD 212011255364162
- Penny Brown, M.D.Baltimore, MD 212011629005376
- Paul Feldman, M.D.Baltimore, MD 212011154389575
- Katherine Goetzinger, MDBaltimore, MD 212011174568935
- Cristina HamillBaltimore, MD 212011508866690
- Roxanne Jamshidi, MDBaltimore, MD 212011427041649
Common questions
What is Katrina Schafer Mark, MD's NPI number?
Katrina Schafer Mark, MD's National Provider Identifier (NPI) is 1508025313, issued on Jun 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Katrina Schafer Mark, MD located?
The NPPES record lists a practice address at 11 S Paca St, Baltimore, MD, 21201. Phone: (410) 328-5964. Providers update this record themselves, so call before visiting.
How can I verify Katrina Schafer Mark, MD's license?
NPPES lists Maryland license number D0073776, 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 Katrina Schafer Mark, MD prescribe under Medicare Part D?
In 2024, Katrina Schafer Mark, MD had 12 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Katrina Schafer Mark, MD's MIPS final score?
The 2023 MIPS final score is 100 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.