MRS. TERESA DIAZ-MONTES M.D., M.H.S.
NPI 1710901871
Obstetrics & Gynecology - Gynecologic Oncology in Baltimore, MD

Q: What is Teresa Diaz-montes's NPI number?

The NPI number for Teresa Diaz-montes is 1710901871. It was assigned to this individual provider in the NPPES registry on July 26, 2006. The provider is also known as Teresa De Pilar Diaz-Montes M.D..

Q: What is Teresa Diaz-montes's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Active since July 26, 2006PECOS EnrolledAccepts Medicare Assignment

83.33/100

CMS Quality Rating

227 ST. PAUL PLACE, 6TH FLOOR, BALTIMORE, MD 21202(410) 332-9200(410) 783-5880 Get Directions Write a Review

NPPES record last updated: December 10, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Mrs. Teresa Diaz-montes M.d., M.h.s. NPPES

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

MRS. TERESA DIAZ-MONTES M.D., M.H.S. (NPI 1710901871) is an individual gynecologic oncology provider in Baltimore, Maryland, licensed in Maryland (D61361) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of University Of Puerto Rico School Of Medicine (1999).

NPPES Registry Identity

NPI1710901871

Entity TypeIndividualFemale

Primary Taxonomy207VX0201X

Provider Legal NameMRS. TERESA DIAZ-MONTESCredential: M.D., M.H.S.

Location Address227 ST. PAUL PLACE, 6TH FLOORBaltimore, MD 21202

Mailing Address227 St. Paul Place, 6th FloorBaltimore, MD 21202 · (410) 332-9200 · Fax (410) 783-5880

Phone(410) 332-9200

Fax(410) 783-5880

Sole ProprietorNo

Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 1999

Enumeration DateJuly 26, 2006

Last NPPES UpdateDecember 10, 2013

✔ NPI 1710901871 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207VX0201X

License✔ Licensed in MD · D61361

Definition

An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License D61361 (MD)

227 ST. PAUL PLACE, Baltimore, MD 21202

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Other Names 1

Professional Name (2)Teresa De Pilar Diaz-montes M.d.

Other Identifiers 3

Medicare UPINH7550531MD

Medicaid010537600MD

Medicare PINH755O531MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Teresa Diaz-montes M.d., M.h.s. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951308972

PECOS Enrollment IDI20061103000180

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Teresa Diaz-montes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St Paul Place Specialists, Inc.

Same address

Hematology & Oncology

227 SAINT PAUL PLACE, 4TH FLOOR
Baltimore, MD 21202

Reassigned Medicare billing, Maryland enrollment
423 clinicians in this Medicare group

NPI 1174564736 (410) 783-5858

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

215 services134 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

145 services145 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

98 services98 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

90 services65 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

57 services49 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

56 services56 patients

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091

A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.

53 services53 patients

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091

37 services37 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

25 services25 patients

Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less 58571

This procedure involves the removal of certain internal structures through small incisions in the abdomen, using a special tool called an endoscope. It's performed when these structures are causing health issues. The weight reference (250.0 g or less) relates to the size of the structures being removed.

22 services22 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

15 services15 patients

Biopsy of lining of uterus and/or removal of polyp using an endoscope 58558

This procedure involves using a thin, flexible tool (endoscope) to examine and possibly remove a small tissue sample from the inner layer of your uterus. It may also involve removing a growth. It helps to identify any issues and plan the right treatment.

14 services14 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210008

Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County

Emergency services Birthing friendly

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210009

Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County

Emergency services Birthing friendly

Luminis Health Anne Arundel Medical Center, Inc

Acute Care Hospitals · Annapolis, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210023

Location2001 Medical ParkwayAnnapolis, MD 21401 · Anne Arundel County

Emergency services Birthing friendly

University Of MD Shore Medical Center At Easton

Acute Care Hospitals · Easton, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210037

Location219 South Washington StreetEaston, MD 21601 · Talbot County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21202 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

$183.44 typical visit price

range $60.73 – $183.44

Typical copayment $45.86 (range $15.18 – $45.86)

Most-billed visit code 99205

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.33/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

69.7

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 8

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

MRS. MARIA H BURKHARDT PA-C

Physician Assistant

227 ST. PAUL PLACE, 6TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9200

JESSICA HAGNER PA-C

Physician Assistant (Medical)

227 ST. PAUL PLACE, WEINBERG BLDG., 4THFLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9294

SANDY DIANA KOTIAH M.D.

Internal Medicine (Medical Oncology)

227 ST. PAUL PLACE, 4TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 783-5858

ST. PAUL PLACE SPECIALISTS, INC.

Surgery

227 ST. PAUL PLACE, 5TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9330

DWIGHT D IM MD

Obstetrics & Gynecology (Gynecologic Oncology)

227 ST. PAUL PLACE, 6TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9002

IRENE VAN GAALEN TYBURSKI PA-C

Physician Assistant

227 ST. PAUL PLACE, 6TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9700

ST. PAUL PLACE SPECIALISTS, INC.

Obstetrics & Gynecology (Gynecologic Oncology)

227 ST. PAUL PLACE, 6TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9002

LARISSA STARK CRNP

Nurse Practitioner (Women's Health)

227 ST. PAUL PLACE, 6TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9200

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 Teresa Diaz-montes's NPI number?

The NPI number for Teresa Diaz-montes is 1710901871. It was assigned to this individual provider in the NPPES registry on July 26, 2006. The provider is also known as Teresa De Pilar Diaz-Montes M.D..

Where is Teresa Diaz-montes located?

Teresa Diaz-montes practices at 227 St. Paul Place 6th Floor, Baltimore, MD 21202. The listed phone number is (410) 332-9200.

What is Teresa Diaz-montes's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Teresa Diaz-montes enrolled in Medicare?

Yes. Teresa Diaz-montes is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Teresa Diaz-montes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Teresa Diaz-montes reassigns Medicare benefits to St Paul Place Specialists, Inc. (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Teresa Diaz-montes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Teresa Diaz-montes affiliated with any hospitals?

According to CMS data, Teresa Diaz-montes is affiliated with Mercy Medical Center Inc, Johns Hopkins Hospital, The, Luminis Health Anne Arundel Medical Center, Inc and University Of MD Shore Medical Center At Easton.

When was this NPI record last updated?

The NPPES record for Teresa Diaz-montes was last updated on December 10, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.