DR. ANA SOFIA RIVERO GUTIERREZ M.D
NPI 1780939587
Internal Medicine in Oak Bluffs, MA

Active since July 17, 2012PECOS EnrolledAccepts Medicare Assignment
1 HOSPITAL RD, OAK BLUFFS, MA 02557(508) 693-0410 Get Directions Write a Review

NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 15, 2026, Jun 30, 2025, Jun 18, 2025 and 3 more (6 updates tracked since 2021).

About Dr. Ana Sofia Rivero Gutierrez M.d NPPES

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

DR. ANA SOFIA RIVERO GUTIERREZ M.D (NPI 1780939587) is an individual internal medicine provider in Oak Bluffs, Massachusetts, licensed in Massachusetts (285752) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1780939587
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ANA SOFIA RIVERO GUTIERREZCredential: M.D
Location Address1 HOSPITAL RDOak Bluffs, MA 02557-1406
Mailing Address8 Pineview DrDover, NH 03820-4622 · (203) 909-3234
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 17, 2012
Last NPPES UpdateApril 15, 20266 updates tracked since enumeration
NPPES CertifiedApril 15, 2026
✔ NPI 1780939587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MA · 285752✔ Licensed in NH · 17028
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1 HOSPITAL RD, Oak Bluffs, MA 02557

Secondary Practice Locations 3

Location 1135 Dodge StProvidence, RI 02907-2210 · Phone (401) 521-9600
Location 2544 Pleasant StPawtucket, RI 02860-5726 · Phone (401) 725-8888
Location 3789 Central AveDover, NH 03820-2526 · Phone (603) 740-2503

Other Identifiers 1

Medicaid3101570NH

Accepted Insurance

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

Dr. Ana Sofia Rivero Gutierrez M.d 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 ID3072829522
PECOS Enrollment IDI20150831000318, I20200413000807, I20200416003833, I20200501001102, I20200506001020, I20200510000085, I20200526002793, I20200617001970, I20201026002411, I20201119001479, I20210216000895, I20240807001977, I20240826000423, I20240919002692
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 Reassignments

25

Medicare enrollment records show Ana Rivero Gutierrez reassigns Medicare billing to 25 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Access
1 HOSPITAL RD
Oak Bluffs, MA 02557
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1194866210 (Massachusetts)
  • 184 clinicians in this Medicare group
Hospice and Palliative Medicine
459 STATE RD, UNIT 18
Vineyard Haven, MA 02568
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2 clinicians in this Medicare group
Internal Medicine
680 CENTRE ST
Brockton, MA 02302
  • Reassigned Medicare billing, Massachusetts enrollment
  • 337 clinicians in this Medicare group
Internal Medicine
544 PLEASANT ST
Pawtucket, RI 02860
  • Reassigned Medicare billing, Rhode Island enrollment
  • 14 clinicians in this Medicare group
Internal Medicine
8 MILL RD
Harvard, MA 01451
  • Reassigned Medicare billing, Connecticut, Massachusetts, Pennsylvania and Rhode Island enrollments
  • 7 clinicians in this Medicare group
Internal Medicine
295 VARNUM AVE
Lowell, MA 01854
  • Reassigned Medicare billing, Massachusetts enrollment
  • 109 clinicians in this Medicare group
Psychiatric Hospital
218 EAST RD
Hampstead, NH 03841
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,620 clinicians in this Medicare group
Family Medicine
24 HEATHROW CT
Nashua, NH 03063
  • Reassigned Medicare billing, New Hampshire enrollment
  • 12 clinicians in this Medicare group
General Acute Care Hospital
100 MCGREGOR ST
Manchester, NH 03102
  • Reassigned Medicare billing, New Hampshire enrollment
  • 199 clinicians in this Medicare group
Magnetic Resonance Imaging
789 CENTRAL AVE
Dover, NH 03820
  • Reassigned Medicare billing, New Hampshire enrollment
  • 559 clinicians in this Medicare group

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 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
51 services24 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
50 services29 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
27 services27 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
27 services27 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
23 services22 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
20 services20 patients

Hospital Affiliations CMS Care Compare 3

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

Lowell General Hospital

Acute Care Hospitals · Lowell, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220063
Location295 Varnum AvenueLowell, MA 01854 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Martha's Vineyard Hospital Inc

Critical Access Hospitals · Oak Bluffs, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number221300
LocationOne Hospital Road, First Fl, Wing 5, PO Box 1477Oak Bluffs, MA 02557 · Dukes County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02557 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

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.

General Acute Care Hospital (Critical Access)
1 HOSPITAL RD
OAK BLUFFS, MA 02557
Nurse Practitioner (Family)
1 HOSPITAL RD
OAK BLUFFS, MA 02557
Family Medicine
1 HOSPITAL RD
OAK BLUFFS, MA 02557
Skilled Nursing Facility
1 HOSPITAL RD
OAK BLUFFS, MA 02557
Physician Assistant
1 HOSPITAL RD
OAK BLUFFS, MA 02557
Obstetrics & Gynecology
1 HOSPITAL RD
OAK BLUFFS, MA 02557
General Acute Care Hospital (Critical Access)
1 HOSPITAL RD
OAK BLUFFS, MA 02557
Counselor (Mental Health)
1 HOSPITAL RD
OAK BLUFFS, MA 02557

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 Ana Rivero Gutierrez's NPI number?

The NPI number for Ana Rivero Gutierrez is 1780939587. It was assigned to this individual provider in the NPPES registry on July 17, 2012.

Where is Ana Rivero Gutierrez located?

Ana Rivero Gutierrez practices at 1 Hospital Rd, Oak Bluffs, MA 02557. The listed phone number is (508) 693-0410.

What is Ana Rivero Gutierrez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ana Rivero Gutierrez enrolled in Medicare?

Yes. Ana Rivero Gutierrez 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 organizations bill Medicare for Ana Rivero Gutierrez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ana Rivero Gutierrez reassigns Medicare benefits to 25 organizations: Martha's Vineyard Hospital, Inc. (Oak Bluffs, MA), Hospice Of Martha's Vineyard, Inc. (Vineyard Haven, MA), Sound Physicians Of Massachusetts Inc (Brockton, MA), Hospitalist Medicine Physicians Of Rhode Island - Tcg LLC (Pawtucket, RI), Ibis Health Services- Massachusetts, LLC (Harvard, MA) and 20 more organizations, listed in the Medicare section above. Each 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 Ana Rivero Gutierrez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ana Rivero Gutierrez accept?

Health plans from WellSense Health Plan list Ana Rivero Gutierrez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ana Rivero Gutierrez affiliated with any hospitals?

According to CMS data, Ana Rivero Gutierrez is affiliated with Lowell General Hospital, Brigham And Women's Hospital and Martha's Vineyard Hospital Inc.

When was this NPI record last updated?

The NPPES record for Ana Rivero Gutierrez was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.