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ANASTAS KOSTOJCHIN MD
NPI 1700407798
Internal Medicine in Lebanon, NH

Active since April 30, 2020PECOS EnrolledAccepts Medicare Assignment
1 MEDICAL CENTER DR, LEBANON, NH 03756(603) 650-5000(603) 640-1228 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 12, 2025, Aug 21, 2024 (2 updates tracked since 2024).

About Anastas Kostojchin Md NPPES

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

ANASTAS KOSTOJCHIN MD (NPI 1700407798) is an individual internal medicine provider in Lebanon, New Hampshire, licensed in New Hampshire (33459) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1700407798
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameANASTAS KOSTOJCHINCredential: MD
Location Address1 MEDICAL CENTER DRLebanon, NH 03756-1000
Mailing AddressPo Box 810Hanover, NH 03755-0810 · (603) 308-1472
Phone(603) 650-5000
Fax(603) 640-1228
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateApril 30, 2020
Last NPPES UpdateDecember 12, 20252 updates tracked since enumeration
NPPES CertifiedDecember 12, 2025
✔ NPI 1700407798 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NH · 33459
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1 MEDICAL CENTER DR, Lebanon, NH 03756
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1130 W Kingsbridge RdBronx, NY 10468-3904 · Phone (718) 584-9000
Location 23424 Kossuth AveBronx, NY 10467-2410 · Phone (718) 519-5000

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 Sheld, Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anastas Kostojchin Md 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 ID6406396746
PECOS Enrollment IDI20240912003109
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.

Areas of Expertise CMS Part B claims 2

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.
84 services26 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.
29 services29 patients

Hospital Affiliations CMS Care Compare 5

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

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

Cheshire Medical Center

Acute Care Hospitals · Keene, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300019
Location580 Court StreetKeene, NH 03431 · Cheshire County
Emergency services Birthing friendly

Alice Peck Day Memorial Hospital

Critical Access Hospitals · Lebanon, NH
OwnershipVoluntary non-profit - Private
CMS Certification Number301305
Location10 Alice Peck Day DriveLebanon, NH 03766 · Grafton County
Emergency services

Valley Regional Hospital

Critical Access Hospitals · Claremont, NH
OwnershipVoluntary non-profit - Private
CMS Certification Number301308
Location243 Elm StreetClaremont, NH 03743 · Sullivan County
Emergency services

Springfield Hospital

Critical Access Hospitals · Springfield, VT
OwnershipVoluntary non-profit - Private
CMS Certification Number471306
LocationPO Box 2003Springfield, VT 05156 · Windsor County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03756 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
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
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.

MRS. JANICE M BRENNAN APRN
Nurse Practitioner (Family)
1 MEDICAL CENTER DR, DHMC DEPARTMENT OF OCCUPATION MEDICINE
LEBANON, NH 03756
Grafton County (603) 560-5000
MS. SHELLEY GRACE BENSON R.PH.
Pharmacist (Oncology)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5417
ELIAS LOUKAS M.D.
Internal Medicine
1 MEDICAL CENTER DR, DHMC SECTION OF HOSPITAL MEDICINE
LEBANON, NH 03756
Grafton County (603) 650-8380
SARAH S SEO MD
Otolaryngology
1 MEDICAL CENTER DR, OTOLARYNGOLOGY
LEBANON, NH 03756
Grafton County (603) 650-8123
DR. SRINIVAS J. IVATURY MD
Colon & Rectal Surgery
1 MEDICAL CENTER DR, COLON & RECTAL SURGERY DEPARTMENT
LEBANON, NH 03756
Grafton County (603) 650-8113
TIMOTHY EARLEY D.O.
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (201) 694-0663
HANNAH ELIZABETH FOOTE BENSIMHON M.D.
Internal Medicine (Cardiovascular Disease)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5000
EMILE JOSEPH HASAN M.D.
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5000

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 Anastas Kostojchin's NPI number?

The NPI number for Anastas Kostojchin is 1700407798. It was assigned to this individual provider in the NPPES registry on April 30, 2020.

Where is Anastas Kostojchin located?

Anastas Kostojchin practices at 1 Medical Center Dr, Lebanon, NH 03756. The listed phone number is (603) 650-5000.

What is Anastas Kostojchin's specialty?

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

Is Anastas Kostojchin enrolled in Medicare?

Yes. Anastas Kostojchin 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.

What insurance does Anastas Kostojchin accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield list Anastas Kostojchin 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 Anastas Kostojchin affiliated with any hospitals?

According to CMS data, Anastas Kostojchin is affiliated with Mary Hitchcock Memorial Hospital, Cheshire Medical Center, Alice Peck Day Memorial Hospital, Valley Regional Hospital and Springfield Hospital.

When was this NPI record last updated?

The NPPES record for Anastas Kostojchin was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.