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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CRISTINA P HAMILL
NPI 1508866690
Obstetrics & Gynecology in Baltimore, MD

Active since July 29, 2005Opted out of Medicare · through Mar 28, 2028
330 N HOWARD ST, BALTIMORE, MD 21201(410) 576-1400(410) 576-7600 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Cristina P Hamill NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CRISTINA P HAMILL (NPI 1508866690) is an individual obstetrics & gynecology provider in Baltimore, Maryland, licensed in Maryland (D0057895) and active in the NPI registry since July 2005. She has opted out of Medicare through March 28, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1508866690
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameCRISTINA P HAMILL
Location Address330 N HOWARD STBaltimore, MD 21201-3610
Mailing Address330 N Howard StBaltimore, MD 21201-3610 · (410) 576-1400 · Fax (410) 576-7600
Phone(410) 576-1400
Fax(410) 576-7600
Sole ProprietorNo
Enumeration DateJuly 29, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1508866690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MD · D0057895
Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

330 N HOWARD ST, Baltimore, MD 21201
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Cristina P Hamill has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 28, 2016 through March 28, 2028.

Opt-Out Effective DateMarch 28, 2016
Opt-Out In Effect ThroughMarch 28, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS ELIZABETH UNIQUE MORRIS MSN, WHNP-BC
Nurse Practitioner (Women's Health)
330 N HOWARD ST
BALTIMORE, MD 21201
Baltimore City (410) 576-1414
DR. LILJA S. STEFANSSON MD
Obstetrics & Gynecology
330 N HOWARD ST
BALTIMORE, MD 21201
Baltimore City (410) 576-1414
JULIA BLUESTONE CNM
Advanced Practice Midwife
330 N HOWARD ST
BALTIMORE, MD 21201
Baltimore City (410) 576-2130
MS. MARGARET CLAIRE MCMANUS M.S.
Nurse Practitioner (Family)
330 N HOWARD ST
BALTIMORE, MD 21201
Baltimore City (410) 576-2147
MRS. KARA HICKEY CNM
Advanced Practice Midwife
330 N HOWARD ST, SUITE 200
BALTIMORE, MD 21201
Baltimore City (301) 332-4968
DANIELLE DACOSTA RN
Registered Nurse (General Practice)
330 N HOWARD ST
BALTIMORE, MD 21201
Baltimore City (410) 576-1414
SHERYL JAMES BSN,RN
Registered Nurse
330 N HOWARD ST
BALTIMORE, MD 21201
Baltimore City (410) 576-1414
KATHRYN ANN MUNSON CRNP
Nurse Practitioner
330 N HOWARD ST
BALTIMORE, MD 21201
Baltimore City (410) 576-2173

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cristina Hamill's NPI number?

The NPI number for Cristina Hamill is 1508866690. It was assigned to this individual provider in the NPPES registry on July 29, 2005.

Where is Cristina Hamill located?

Cristina Hamill practices at 330 N Howard St, Baltimore, MD 21201. The listed phone number is (410) 576-1400.

What is Cristina Hamill's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Cristina Hamill enrolled in Medicare?

No. Cristina Hamill has opted out of Medicare through March 28, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Cristina Hamill was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.