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HUGO ROBERTO CASTELLANOS MENDEZ M.D.
NPI 1669602553
Obstetrics & Gynecology in Salem, NH

Active since July 26, 2009PECOS Enrolled
18 KEEWAYDIN DR, SALEM, NH 03079(603) 898-4269(603) 894-4582 Get Directions Write a Review

NPPES record last updated: December 15, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 15, 2022, Aug 21, 2019, Mar 17, 2018 (3 updates tracked since 2018).

About Hugo Roberto Castellanos Mendez M.d. NPPES

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

HUGO ROBERTO CASTELLANOS MENDEZ M.D. (NPI 1669602553) is an individual obstetrics & gynecology provider in Salem, New Hampshire, licensed in Massachusetts (254340) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS and maintains a secondary practice location in Haverhill.

NPPES Registry Identity

NPI1669602553
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameHUGO ROBERTO CASTELLANOS MENDEZCredential: M.D.
Location Address18 KEEWAYDIN DRSalem, NH 03079-2839
Mailing Address62 Brown St Ste 200Haverhill, MA 01830-6790 · (978) 478-5058 · Fax (978) 891-3689
Phone(603) 898-4269
Fax(603) 894-4582
Sole ProprietorNo
Enumeration DateJuly 26, 2009
Last NPPES UpdateDecember 15, 20223 updates tracked since enumeration
NPPES CertifiedDecember 15, 2022
✔ NPI 1669602553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in MA · 254340✔ Licensed in WI · 66608✔ Licensed in PA · MT194463✔ Licensed in NH · 20139
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.
18 KEEWAYDIN DR, Salem, NH 03079
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Secondary Practice Location 1

Location 162 Brown St Ste 200Haverhill, MA 01830-6790 · Phone (978) 478-5058 · Fax (978) 891-3689

Other Identifiers 1

Medicaid100071901WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hugo Roberto Castellanos Mendez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Hugo Castellanos Mendez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Steward Medical Group, Inc
29 mi
Specialist
9 GALEN ST
Watertown, MA 02472
  • Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
  • 991 clinicians in this Medicare group
NPI 1629398219 (615) 467-4474
Bmc Affiliated Physicians, Inc.
32 mi
Internal Medicine
1 BOSTON MEDICAL CENTER PLACE
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 716 clinicians in this Medicare group
NPI 1245320910 (617) 789-3000
Revere Medical Of Massachusetts, PC
49 mi
Internal Medicine
1 PEARL ST STE 2100
Brockton, MA 02301
  • Reassigned Medicare billing, Massachusetts enrollment
  • 264 clinicians in this Medicare group
NPI 1336976539 (508) 897-6040

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03079 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
$132.09 typical visit price
range $57.75 – $174.26
Typical copayment $33.02 (range $14.43 – $43.56)
Most-billed visit code 99204
Established Patient
$71.85 typical visit price
range $18.70 – $142.15
Typical copayment $17.96 (range $4.67 – $35.53)
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 2

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

BROOKE GUTHRIE NP
Nurse Practitioner (Women's Health)
18 KEEWAYDIN DR
SALEM, NH 03079
Rockingham County (603) 898-4269
MRS. JUDI RAE CARBONI
Nurse Practitioner (Women's Health)
18 KEEWAYDIN DR
SALEM, NH 03079
Rockingham County (603) 870-9150

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 Hugo Castellanos Mendez's NPI number?

The NPI number for Hugo Castellanos Mendez is 1669602553. It was assigned to this individual provider in the NPPES registry on July 26, 2009.

Where is Hugo Castellanos Mendez located?

Hugo Castellanos Mendez practices at 18 Keewaydin Dr, Salem, NH 03079. The listed phone number is (603) 898-4269.

What is Hugo Castellanos Mendez's specialty?

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

Is Hugo Castellanos Mendez enrolled in Medicare?

Yes. Hugo Castellanos Mendez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Hugo Castellanos Mendez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hugo Castellanos Mendez reassigns Medicare benefits to 3 organizations: Steward Medical Group, Inc (Watertown, MA), Bmc Affiliated Physicians, Inc. (Boston, MA) and Revere Medical Of Massachusetts, PC (Brockton, MA). 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 Hugo Castellanos Mendez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hugo Castellanos Mendez accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Hugo Castellanos Mendez 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.

When was this NPI record last updated?

The NPPES record for Hugo Castellanos Mendez was last updated on December 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.