CLARA S.P. CHAN, MD, PC
Complete NPI Record 1144557240
Internal Medicine - Hematology & Oncology in Silver Spring, MD

Active since November 10, 2009

9801 GEORGIA AVE, SUITE 337, SILVER SPRING, MD 20902(301) 681-4600(301) 681-4648 Get Directions

NPPES record last updated: November 10, 2009. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Complete NPI Dataset

This page contains the complete raw NPPES record for Clara S.p. Chan, Md, Pc (NPI 1144557240), an internal medicine organization in Silver Spring, MD. All 61 fields on file are listed with their current values and official NPPES definitions, exactly as recorded in the National Plan and Provider Enumeration System. Only fields that contain data are included, so the number of fields shown varies from one NPI record to another.

Use the tools below to filter fields by category, search within the record, or jump straight to a specific field. You can download the full record as a CSV, JSON, or text file, or filter first and export only the fields you need. The Print Clean Summary button produces a printer-friendly copy of the record.

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NPI: 1144557240: The 10-position all-numeric identification number assigned by the NPS to uniquely identify a health care provider. The NPI number includes an ISO standard check-digit in the 10th position. There is no intelligence about the health care provider in the number.
Entity Type Code: 2: Code describing the type of health care provider that is being assigned an NPI. Codes are 1 = (Person): individual human being who furnishes health care; 2 = (Non-person): entity other than an individual human being that furnishes health care (for example, hospital, SNF, hospital subunit, pharmacy, or HMO).
Employer Identification Number EIN: Not available: The Employer Identification Number (EIN), assigned by the IRS, of the provider being identified.
Provider Organization Name Legal Business Name: CLARA S.P. CHAN, MD, PC: The name of the organization provider. If the provider is an organization, this is the legal business name.
Provider First Line Business Mailing Address: 9801 GEORGIA AVE: The first line mailing address of the provider being identified. This data element may contain the same information as "Provider first line location address".
Provider Second Line Business Mailing Address: SUITE 337: The second line mailing address of the provider being identified. This data element may contain the same information as "Provider second line location address".
Provider Business Mailing Address City Name: SILVER SPRING: The city name in the mailing address of the provider being identified.
Provider Business Mailing Address State Name: MD: The State or Province name in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address State name".
Provider Business Mailing Address Postal Code: 209025276: The postal ZIP or zone code in the mailing address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available. This data element may contain the same information as "Provider location address postal code".
Provider Business Mailing Address Country Code If outside U S : US: The country code in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address country code".
Provider Business Mailing Address Telephone Number: 3016814600: The telephone number associated with mailing address of the provider being identified. This data element may contain the same information as "Provider location address telephone number".
Provider Business Mailing Address Fax Number: 3016814648: The fax number associated with the mailing address of the provider being identified. This data element may contain the same information as "Provider location address fax number".
Provider First Line Business Practice Location Address: 9801 GEORGIA AVE: The first line location address of the provider being identified. For providers with more than one physical location, this is the primary location. This address cannot include a Post Office box.
Provider Second Line Business Practice Location Address: SUITE 337: The second line location address of the provider being identified. For providers with more than one physical location, this is the primary location. This address cannot include a Post Office box.
Provider Business Practice Location Address City Name: SILVER SPRING: The city name in the location address of the provider being identified.
Provider Business Practice Location Address State Name: MD: The State code in the location of the provider being identified.
Provider Business Practice Location Address Postal Code: 209025276: The postal ZIP or zone code in the location address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available.
Provider Business Practice Location Address Country Code If outside U S : US: The country code in the location address of the provider being identified.
Provider Business Practice Location Address Telephone Number: 3016814600: The telephone number associated with the location address of the provider being identified.
Provider Business Practice Location Address Fax Number: 3016814648: The fax number associated with the location address of the provider being identified.
Provider Enumeration Date: 11/10/2009: The date the provider was assigned a unique identifier (assigned an NPI).
Last Update Date: 11/10/2009: The date that a record was last updated or changed.
Authorized Official Last Name: CHAN: The last name of the person authorized to submit the NPI application or to change NPS data for a health care provider.
Authorized Official First Name: CLARA: The first name of the authorized official.
Authorized Official Middle Name: S: The middle name of the authorized official.
Authorized Official Title or Position: PHYSICIAN: The title or position of the authorized official.
Authorized Official Telephone Number: 3016814600: The 10-position telephone number of the authorized official.
Healthcare Provider Taxonomy Code 1: 207RH0003X: This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 1: D41828: The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 1: MD: The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 1: Y: This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Other Provider Identifier 1: 3000099: An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 1: 01: A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier Issuer 1: AMERICHOICE: The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 2: 5074: An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 2: 01: A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 2: DC: The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 2: CAREFIRST BCBS: The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 3: 830006377: An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 3: 01: A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier Issuer 3: RAILROAD MEDICARE: The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 4: 0004140133: An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 4: 01: A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier Issuer 4: AETNA: The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 5: 083091700: An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 5: 05: A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 5: MD: The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier 6: 3601884: An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 6: 01: A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier Issuer 6: UNITED HEALTHCARE: The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 7: OC22CS: An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 7: 01: A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 7: MD: The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 7: CAREFIRST OF MD: The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 8: 910976: An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 8: 01: A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 8: MD: The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 8: MAMSI: The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Is Organization Subpart: N: Indicates whether the provider is a subpart of a larger organization. This is a single-character code: "Y" means the entity is an organizational subpart, while "N" means it is not. Subparts typically include hospital departments, clinics, or other distinct units that fall under a parent organization.
Authorized Official Credential Text: MD: The professional credential(s) of the authorized official listed on the provider's NPI record. Examples include MD (Doctor of Medicine), DO (Doctor of Osteopathy), RN (Registered Nurse), DDS (Doctor of Dental Surgery), PhD, or other recognized designations that reflect the official's qualifications.
Healthcare Provider Taxonomy Group 1: 193400000X SINGLE SPECIALTY GROUP: Specifies whether the provider is part of a single-specialty or multi-specialty business group. The possible values are: 193200000X – Multi-Specialty Group or 193400000X – Single Specialty Group. This field helps distinguish the organizational structure of a provider group.

Other Provider Identifiers 10

Legacy and payer-issued identifiers reported to the NPPES registry for this provider.

0004140133 Other

1/10

Issuer: Aetna
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.

830006377 Other

2/10

Issuer: Railroad Medicare
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.

3601884 Other

3/10

Issuer: United Healthcare
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.

083091700 Medicaid

4/10

State: MD
Medicaid (State-specific): A provider identification number assigned by an individual state's Medicaid program, used for billing and enrollment within that state's Medicaid system.

673016 Medicare PIN

5/10

State: DC
Medicare PIN: Used in legacy data fields alongside a healthcare provider's National Provider Identifier (NPI) to designate legacy Medicare provider numbers.

OC22CS Other

6/10

State: MD · Issuer: Carefirst Of Md
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.

A92516 Medicare UPIN

7/10

Medicare UPIN (Unique Physician Identification Number): A legacy six-character alphanumeric identifier previously issued by Medicare to individual physicians before being retired and replaced by the NPI system.

3000099 Other

8/10

Issuer: Americhoice
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.

5074 Other

9/10

State: DC · Issuer: Carefirst Bcbs
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.

910976 Other

10/10

State: MD · Issuer: Mamsi
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.

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